TY  - JOUR
AU  - Vencl, Aleksandar
AU  - Svoboda, Petr
AU  - Klančnik, Simon
AU  - But, Adrian
AU  - Vorkapić, Miloš
AU  - Harničarova, Marta
AU  - Stojanović, Blaža
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5643
AB  - Three different and very small amounts of alumina (0.2, 0.3 and 0.5 wt. %) in two sizes
(approx. 25 and 100 nm) were used to enhance the wear characteristics of ZA-27 alloy-based nanocomposites.
Production was realised through mechanical alloying in pre-processing and compocasting
processes. Wear tests were under lubricated sliding conditions on a block-on-disc tribometer, at two
sliding speeds (0.25 and 1 m/s), two normal loads (40 and 100 N) and a sliding distance of 1000 m.
Experimental results were analysed by applying the response surface methodology (RSM) and a
suitable mathematical model for the wear rate of tested nanocomposites was developed. Appropriate
wear maps were constructed and the wear mechanism is discussed in this paper. The accuracy of the
prediction was evaluated with the use of an artificial neural network (ANN). The architecture of the
used ANN was 4-5-1 and the obtained overall regression coefficient was 0.98729. The comparison of
the predicting methods showed that ANN is more efficient in predicting wear.
PB  - Switzerland : Multidisciplinary Digital Publishing Institute (MDPI)
T2  - Lubricants
T1  - Influence of Al2O3 Nanoparticles Addition in ZA-27 Alloy-Based Nanocomposites and Soft Computing Prediction
VL  - 11
IS  - 1
SP  - 24
DO  - 10.3390/lubricants11010024
ER  - 

@article{
author = "Vencl, Aleksandar and Svoboda, Petr and Klančnik, Simon and But, Adrian and Vorkapić, Miloš and Harničarova, Marta and Stojanović, Blaža",
year = "2023",
abstract = "Three different and very small amounts of alumina (0.2, 0.3 and 0.5 wt. %) in two sizes
(approx. 25 and 100 nm) were used to enhance the wear characteristics of ZA-27 alloy-based nanocomposites.
Production was realised through mechanical alloying in pre-processing and compocasting
processes. Wear tests were under lubricated sliding conditions on a block-on-disc tribometer, at two
sliding speeds (0.25 and 1 m/s), two normal loads (40 and 100 N) and a sliding distance of 1000 m.
Experimental results were analysed by applying the response surface methodology (RSM) and a
suitable mathematical model for the wear rate of tested nanocomposites was developed. Appropriate
wear maps were constructed and the wear mechanism is discussed in this paper. The accuracy of the
prediction was evaluated with the use of an artificial neural network (ANN). The architecture of the
used ANN was 4-5-1 and the obtained overall regression coefficient was 0.98729. The comparison of
the predicting methods showed that ANN is more efficient in predicting wear.",
publisher = "Switzerland : Multidisciplinary Digital Publishing Institute (MDPI)",
journal = "Lubricants",
title = "Influence of Al2O3 Nanoparticles Addition in ZA-27 Alloy-Based Nanocomposites and Soft Computing Prediction",
volume = "11",
number = "1",
pages = "24",
doi = "10.3390/lubricants11010024"
}

Vencl, A., Svoboda, P., Klančnik, S., But, A., Vorkapić, M., Harničarova, M.,& Stojanović, B.. (2023). Influence of Al2O3 Nanoparticles Addition in ZA-27 Alloy-Based Nanocomposites and Soft Computing Prediction. in Lubricants
Switzerland : Multidisciplinary Digital Publishing Institute (MDPI)., 11(1), 24.
https://doi.org/10.3390/lubricants11010024

Vencl A, Svoboda P, Klančnik S, But A, Vorkapić M, Harničarova M, Stojanović B. Influence of Al2O3 Nanoparticles Addition in ZA-27 Alloy-Based Nanocomposites and Soft Computing Prediction. in Lubricants. 2023;11(1):24.
doi:10.3390/lubricants11010024 .

Vencl, Aleksandar, Svoboda, Petr, Klančnik, Simon, But, Adrian, Vorkapić, Miloš, Harničarova, Marta, Stojanović, Blaža, "Influence of Al2O3 Nanoparticles Addition in ZA-27 Alloy-Based Nanocomposites and Soft Computing Prediction" in Lubricants, 11, no. 1 (2023):24,
https://doi.org/10.3390/lubricants11010024 . .

TY  - JOUR
AU  - Radojković, Bojana
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Ristić, Slavica R.
AU  - Polić, Suzana R.
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3462
AB  - Nd:YAG laser was used for cleaning surfaces of cultural heritage iron artefacts covered with
corrosion products. The corrosion products were removed without damaging the base material.
Three different electrochemical techniques were used for the determination of the corrosion rate of
mechanically prepared iron, laser-cleaned iron and laser-cleaned iron with Paraloid B44 coating.
The morphology of the tested surfaces was analysed by SEM. The linear polarization resistance
technique, electrochemical impedance spectroscopy and linear sweep voltammetry have shown
that the corrosion rate of the laser-cleaned iron is approximately 50 % higher than the corrosion
rate of the mechanically prepared iron. Electrochemical impedance spectroscopy has shown that
the pore resistance of the Paraloid coating on the laser-cleaned iron sample decreases at the
beginning of the test and remains approximately constant after this period. At the beginning of the
test, the charge transfer resistance value is constant and then decreases rapidly i.e. the corrosion
rate of the iron in the Paraloid coating pores increases with time. During the linear sweep
voltammetry test of the iron sample with Paraloid coating, it was noticed that the anodic
polarisation curve shows an unusual shape at the potentials more positive than - 0.5 V
AB  - U ovom radu, Nd:YAG laser je korišćen za čišćenje površina artefakata od gvožđa koji su bili prekriveni korozionim produktima. Korozioni produkti su uklonjeni bez oštećivanja osnovnog materijala. Za određivanje brzine korozije mehanički čišćene površine, laserski čišćene površine i laserski čišćene površine na koju je nakon čišćenja nanesen zaštitni sloj Paraloid B44, korišćene su tri različite elektrohemijske metode. Morfologija čišćenih površina je ispitivana SEM mikroskopijom. Metoda linearne polarizacione otpornosti, elektrohemijska impedansna spektroskopija i voltametrija sa linearnom promenom potencijala pokazale su da je brzina korozije laserski čišćene površine uzorka od gvožđa za oko 50% veća od brzine korozije mehanički čišćene površine. Elektrohemijska impedansna spektroskopija je pokazala da otpornost pora Paraloid prevlake na laserski čišćenoj površini uzorka opada na početku ispitivanja nakon čega dostiže konstantnu vrednost. Na početku ispitivanja, vrednost otpornosti razmeni elektrona je konstantna nakon čega naglo opada, tj. brzina korozije gvožđa u porama Paraloid prevlake raste sa vremenom. Tokom ispitivanja tehnikom voltametrije sa linearnom promenom potencijala na uzorku od gvožđa sa Paraloid prevlakom, zapaženo je da anodna kriva polarizacije ima neuobičajen oblik pri potencijalima pozitivnijim od - 0.5 V
PB  - Belgrade : Engineering Society for Corrosion
T2  - Zaštita materijala
T1  - Corrosion characteristics of laser-cleaned surfaces on iron artefact
T1  - Koroziona svojstva laserski čišćenih površina na artefaktu od gvožđa
VL  - 61
IS  - 1
SP  - 41
EP  - 51
DO  - 10.5937/zasmat2001041R
ER  - 

@article{
author = "Radojković, Bojana and Jegdić, Bore and Bobić, Biljana and Ristić, Slavica R. and Polić, Suzana R.",
year = "2020",
abstract = "Nd:YAG laser was used for cleaning surfaces of cultural heritage iron artefacts covered with
corrosion products. The corrosion products were removed without damaging the base material.
Three different electrochemical techniques were used for the determination of the corrosion rate of
mechanically prepared iron, laser-cleaned iron and laser-cleaned iron with Paraloid B44 coating.
The morphology of the tested surfaces was analysed by SEM. The linear polarization resistance
technique, electrochemical impedance spectroscopy and linear sweep voltammetry have shown
that the corrosion rate of the laser-cleaned iron is approximately 50 % higher than the corrosion
rate of the mechanically prepared iron. Electrochemical impedance spectroscopy has shown that
the pore resistance of the Paraloid coating on the laser-cleaned iron sample decreases at the
beginning of the test and remains approximately constant after this period. At the beginning of the
test, the charge transfer resistance value is constant and then decreases rapidly i.e. the corrosion
rate of the iron in the Paraloid coating pores increases with time. During the linear sweep
voltammetry test of the iron sample with Paraloid coating, it was noticed that the anodic
polarisation curve shows an unusual shape at the potentials more positive than - 0.5 V, U ovom radu, Nd:YAG laser je korišćen za čišćenje površina artefakata od gvožđa koji su bili prekriveni korozionim produktima. Korozioni produkti su uklonjeni bez oštećivanja osnovnog materijala. Za određivanje brzine korozije mehanički čišćene površine, laserski čišćene površine i laserski čišćene površine na koju je nakon čišćenja nanesen zaštitni sloj Paraloid B44, korišćene su tri različite elektrohemijske metode. Morfologija čišćenih površina je ispitivana SEM mikroskopijom. Metoda linearne polarizacione otpornosti, elektrohemijska impedansna spektroskopija i voltametrija sa linearnom promenom potencijala pokazale su da je brzina korozije laserski čišćene površine uzorka od gvožđa za oko 50% veća od brzine korozije mehanički čišćene površine. Elektrohemijska impedansna spektroskopija je pokazala da otpornost pora Paraloid prevlake na laserski čišćenoj površini uzorka opada na početku ispitivanja nakon čega dostiže konstantnu vrednost. Na početku ispitivanja, vrednost otpornosti razmeni elektrona je konstantna nakon čega naglo opada, tj. brzina korozije gvožđa u porama Paraloid prevlake raste sa vremenom. Tokom ispitivanja tehnikom voltametrije sa linearnom promenom potencijala na uzorku od gvožđa sa Paraloid prevlakom, zapaženo je da anodna kriva polarizacije ima neuobičajen oblik pri potencijalima pozitivnijim od - 0.5 V",
publisher = "Belgrade : Engineering Society for Corrosion",
journal = "Zaštita materijala",
title = "Corrosion characteristics of laser-cleaned surfaces on iron artefact, Koroziona svojstva laserski čišćenih površina na artefaktu od gvožđa",
volume = "61",
number = "1",
pages = "41-51",
doi = "10.5937/zasmat2001041R"
}

Radojković, B., Jegdić, B., Bobić, B., Ristić, S. R.,& Polić, S. R.. (2020). Corrosion characteristics of laser-cleaned surfaces on iron artefact. in Zaštita materijala
Belgrade : Engineering Society for Corrosion., 61(1), 41-51.
https://doi.org/10.5937/zasmat2001041R

Radojković B, Jegdić B, Bobić B, Ristić SR, Polić SR. Corrosion characteristics of laser-cleaned surfaces on iron artefact. in Zaštita materijala. 2020;61(1):41-51.
doi:10.5937/zasmat2001041R .

Radojković, Bojana, Jegdić, Bore, Bobić, Biljana, Ristić, Slavica R., Polić, Suzana R., "Corrosion characteristics of laser-cleaned surfaces on iron artefact" in Zaštita materijala, 61, no. 1 (2020):41-51,
https://doi.org/10.5937/zasmat2001041R . .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Stevanović, Maja
AU  - Mihailović, Marija
AU  - Daničić, Dunja
AU  - Kovačina, Jovanka
AU  - Radojković, Bojana
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3649
AB  - The paper analyses the corrosion behaviour of both naturally and artificially aged AA2024 aluminium alloy in NaCl solution in the presence of the corrosion inhibitor benzotriazole (BTA). The differences between these two aging tempers in terms of resistance to general corrosion are explained as well as the differences in terms of pit formation and pit growth. Based on the values of the polarisation resistance and the corrosion current density, the general corrosion resistance of the alloy is determined in the absence and in the presence of BTA. The resistance to pit formation and pit growth is determined on the basis of the polarisation measurements results. Scanning electron microscopy confirmed the expected differences in the appearance and size of the pits formed in naturally aged and artificially aged alloy. In the presence of the corrosion inhibitor BTA, for both aging tempers of the alloy, the corrosion resistance is significantly higher compared to the resistance in the solution without the inhibitor. The value of the polarisation resistance for both aging tempers increases over time. However, at the same time, the value of the constant phase element increases as well. An explanation for this phenomenon is provided. The calculated average value of the thickness of the adsorbed inhibitor layer on the surface of the aluminium alloy is in accordance with the inhibitor protective ability for both aging tempers.
PB  - Springer
T2  - Metals and Materials International
T1  - Resistance to Pit Formation and Pit Growth for Different Tempers of AA2024 Aluminium Alloy in Presence of Benzotriazole
VL  - 26
SP  - 1643
EP  - 1653
DO  - 10.1007/s12540-019-00451-8
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana and Stevanović, Maja and Mihailović, Marija and Daničić, Dunja and Kovačina, Jovanka and Radojković, Bojana",
year = "2020",
abstract = "The paper analyses the corrosion behaviour of both naturally and artificially aged AA2024 aluminium alloy in NaCl solution in the presence of the corrosion inhibitor benzotriazole (BTA). The differences between these two aging tempers in terms of resistance to general corrosion are explained as well as the differences in terms of pit formation and pit growth. Based on the values of the polarisation resistance and the corrosion current density, the general corrosion resistance of the alloy is determined in the absence and in the presence of BTA. The resistance to pit formation and pit growth is determined on the basis of the polarisation measurements results. Scanning electron microscopy confirmed the expected differences in the appearance and size of the pits formed in naturally aged and artificially aged alloy. In the presence of the corrosion inhibitor BTA, for both aging tempers of the alloy, the corrosion resistance is significantly higher compared to the resistance in the solution without the inhibitor. The value of the polarisation resistance for both aging tempers increases over time. However, at the same time, the value of the constant phase element increases as well. An explanation for this phenomenon is provided. The calculated average value of the thickness of the adsorbed inhibitor layer on the surface of the aluminium alloy is in accordance with the inhibitor protective ability for both aging tempers.",
publisher = "Springer",
journal = "Metals and Materials International",
title = "Resistance to Pit Formation and Pit Growth for Different Tempers of AA2024 Aluminium Alloy in Presence of Benzotriazole",
volume = "26",
pages = "1643-1653",
doi = "10.1007/s12540-019-00451-8"
}

Jegdić, B., Bobić, B., Stevanović, M., Mihailović, M., Daničić, D., Kovačina, J.,& Radojković, B.. (2020). Resistance to Pit Formation and Pit Growth for Different Tempers of AA2024 Aluminium Alloy in Presence of Benzotriazole. in Metals and Materials International
Springer., 26, 1643-1653.
https://doi.org/10.1007/s12540-019-00451-8

Jegdić B, Bobić B, Stevanović M, Mihailović M, Daničić D, Kovačina J, Radojković B. Resistance to Pit Formation and Pit Growth for Different Tempers of AA2024 Aluminium Alloy in Presence of Benzotriazole. in Metals and Materials International. 2020;26:1643-1653.
doi:10.1007/s12540-019-00451-8 .

Jegdić, Bore, Bobić, Biljana, Stevanović, Maja, Mihailović, Marija, Daničić, Dunja, Kovačina, Jovanka, Radojković, Bojana, "Resistance to Pit Formation and Pit Growth for Different Tempers of AA2024 Aluminium Alloy in Presence of Benzotriazole" in Metals and Materials International, 26 (2020):1643-1653,
https://doi.org/10.1007/s12540-019-00451-8 . .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Linić, Suzana
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3723
AB  - The paper analyses the corrosion behaviour of naturally and artificially aged
AA2024 alloy in NaCl solution and in the presence of an environment ‐ friendly
corrosion inhibitor, CeCl 3 . On the basis of the values of polarisation resistance
and  corrosion  current  density,  the  corrosion  resistance  of  the  protective
inhibitor film is established as well as the general corrosion resistance of this
aluminium  alloy.  Resistance  to  pit  formation  is  determined  based  on  the
difference in pitting and corrosion potentials while resistance to pit growth is
determined based on the amount of charge consumed during pit growth. A
scanning electron microscope is used to examine the morphology of the pits
formed during the pitting corrosion testing, as well as to determine the cerium
content on intermetallic particles and the matrix AA2024 alloy. The corrosion
behaviour of AA2024 alloy is investigated after different test periods in NaCl
solution  and  in  the  same  solution  with  the  CeCl 3 inhibitor.  The  corrosion
resistance of both tempers of AA2024 alloy is more than one order of magnitude
higher in the presence of CeCl 3 . An explanation of the observed differences in
the corrosion behaviour of the naturally and artificially aged AA2024 alloy is
proposed. Different corrosion behaviour of the alloy after different test periods
is also explained.
PB  - Wiley - VCH Verlag GmbH & Co
T2  - Materials and Corrosion
T1  - Corrosion behaviour of AA2024 aluminium alloy in different tempers in NaCl solution and with the CeCl3 corrosion inhibitor
VL  - 71
IS  - 3
SP  - 352
EP  - 364
DO  - 10.1002/maco.201911219
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana and Linić, Suzana",
year = "2020",
abstract = "The paper analyses the corrosion behaviour of naturally and artificially aged
AA2024 alloy in NaCl solution and in the presence of an environment ‐ friendly
corrosion inhibitor, CeCl 3 . On the basis of the values of polarisation resistance
and  corrosion  current  density,  the  corrosion  resistance  of  the  protective
inhibitor film is established as well as the general corrosion resistance of this
aluminium  alloy.  Resistance  to  pit  formation  is  determined  based  on  the
difference in pitting and corrosion potentials while resistance to pit growth is
determined based on the amount of charge consumed during pit growth. A
scanning electron microscope is used to examine the morphology of the pits
formed during the pitting corrosion testing, as well as to determine the cerium
content on intermetallic particles and the matrix AA2024 alloy. The corrosion
behaviour of AA2024 alloy is investigated after different test periods in NaCl
solution  and  in  the  same  solution  with  the  CeCl 3 inhibitor.  The  corrosion
resistance of both tempers of AA2024 alloy is more than one order of magnitude
higher in the presence of CeCl 3 . An explanation of the observed differences in
the corrosion behaviour of the naturally and artificially aged AA2024 alloy is
proposed. Different corrosion behaviour of the alloy after different test periods
is also explained.",
publisher = "Wiley - VCH Verlag GmbH & Co",
journal = "Materials and Corrosion",
title = "Corrosion behaviour of AA2024 aluminium alloy in different tempers in NaCl solution and with the CeCl3 corrosion inhibitor",
volume = "71",
number = "3",
pages = "352-364",
doi = "10.1002/maco.201911219"
}

Jegdić, B., Bobić, B.,& Linić, S.. (2020). Corrosion behaviour of AA2024 aluminium alloy in different tempers in NaCl solution and with the CeCl3 corrosion inhibitor. in Materials and Corrosion
Wiley - VCH Verlag GmbH & Co., 71(3), 352-364.
https://doi.org/10.1002/maco.201911219

Jegdić B, Bobić B, Linić S. Corrosion behaviour of AA2024 aluminium alloy in different tempers in NaCl solution and with the CeCl3 corrosion inhibitor. in Materials and Corrosion. 2020;71(3):352-364.
doi:10.1002/maco.201911219 .

Jegdić, Bore, Bobić, Biljana, Linić, Suzana, "Corrosion behaviour of AA2024 aluminium alloy in different tempers in NaCl solution and with the CeCl3 corrosion inhibitor" in Materials and Corrosion, 71, no. 3 (2020):352-364,
https://doi.org/10.1002/maco.201911219 . .

TY  - JOUR
AU  - Vencl, Aleksandar
AU  - Bobić, Ilija
AU  - Stanković, Miloš
AU  - Hvizdoš, Pavol
AU  - Bobić, Biljana
AU  - Stojanović, Blaža
AU  - Franek, Friedrich
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3437
AB  - Metal matrix composites are very inhomogeneous materials, and their properties depend on various parameters (production process, constituents, their interfaces, etc.). The influence of SiC microparticles (40 mu m) reinforcement and graphite macroparticles (200-800 mu m) addition on the mechanical properties of Al-Si A356 alloy, produced by compocasting, has been assessed using macro- and nanoscale measurements of hardness and modulus of elasticity. The Al makes over 90 wt% of the A356 alloy, so the nanoscale measurements were performed on different alpha phase regions on each material (core of alpha phase, eutectic alpha phase, and alpha phase near the phase boundaries alpha phase/secondary phases). The results showed that there is no direct correlation between mechanical properties on macro- and nanoscale. The nanoscale results also showed that the secondary phases (SiC and graphite particles) can have significant effect on the mechanical properties on the atomic level, i.e. in the alpha phase regions very close to the secondary phases.
PB  - Springer
T2  - Journal of the Brazilian Society of Mechanical Sciences and Engineering
T1  - Influence of secondary phases in A356 MMCs on their mechanical properties at macro- and nanoscale
VL  - 42
IS  - 3
SP  - 115
DO  - 10.1007/s40430-020-2197-6
ER  - 

@article{
author = "Vencl, Aleksandar and Bobić, Ilija and Stanković, Miloš and Hvizdoš, Pavol and Bobić, Biljana and Stojanović, Blaža and Franek, Friedrich",
year = "2020",
abstract = "Metal matrix composites are very inhomogeneous materials, and their properties depend on various parameters (production process, constituents, their interfaces, etc.). The influence of SiC microparticles (40 mu m) reinforcement and graphite macroparticles (200-800 mu m) addition on the mechanical properties of Al-Si A356 alloy, produced by compocasting, has been assessed using macro- and nanoscale measurements of hardness and modulus of elasticity. The Al makes over 90 wt% of the A356 alloy, so the nanoscale measurements were performed on different alpha phase regions on each material (core of alpha phase, eutectic alpha phase, and alpha phase near the phase boundaries alpha phase/secondary phases). The results showed that there is no direct correlation between mechanical properties on macro- and nanoscale. The nanoscale results also showed that the secondary phases (SiC and graphite particles) can have significant effect on the mechanical properties on the atomic level, i.e. in the alpha phase regions very close to the secondary phases.",
publisher = "Springer",
journal = "Journal of the Brazilian Society of Mechanical Sciences and Engineering",
title = "Influence of secondary phases in A356 MMCs on their mechanical properties at macro- and nanoscale",
volume = "42",
number = "3",
pages = "115",
doi = "10.1007/s40430-020-2197-6"
}

Vencl, A., Bobić, I., Stanković, M., Hvizdoš, P., Bobić, B., Stojanović, B.,& Franek, F.. (2020). Influence of secondary phases in A356 MMCs on their mechanical properties at macro- and nanoscale. in Journal of the Brazilian Society of Mechanical Sciences and Engineering
Springer., 42(3), 115.
https://doi.org/10.1007/s40430-020-2197-6

Vencl A, Bobić I, Stanković M, Hvizdoš P, Bobić B, Stojanović B, Franek F. Influence of secondary phases in A356 MMCs on their mechanical properties at macro- and nanoscale. in Journal of the Brazilian Society of Mechanical Sciences and Engineering. 2020;42(3):115.
doi:10.1007/s40430-020-2197-6 .

Vencl, Aleksandar, Bobić, Ilija, Stanković, Miloš, Hvizdoš, Pavol, Bobić, Biljana, Stojanović, Blaža, Franek, Friedrich, "Influence of secondary phases in A356 MMCs on their mechanical properties at macro- and nanoscale" in Journal of the Brazilian Society of Mechanical Sciences and Engineering, 42, no. 3 (2020):115,
https://doi.org/10.1007/s40430-020-2197-6 . .

TY  - CONF
AU  - Radojković, Bojana M.
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Ristić, Slavica
AU  - Polić, Suzana R.
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5434
AB  - Nd:YAG laser was used for cleaning surfaces of cultural heritage iron artefacts covered with corrosion products. The corrosion products were removed without damaging the base material. Three different electrochemical techniques were used for the determination of the corrosion rate of mechanically prepared iron, laser-cleaned iron and laser-cleaned iron with Paraloid B44 coating. The morphology of the tested surfaces was analysed by SEM. The linear polarization resistance technique, electrochemical impedance spectroscopy and linear sweep voltammetry have shown that the corrosion rate of the laser-cleaned iron is approximately 50 % higher than the corrosion rate of the mechanically prepared iron. Electrochemical impedance spectroscopy has shown that the pore resistance of the Paraloid coating on the laser-cleaned iron sample decreases at the beginning of the test and remains approximately constant after this period. At the beginning of the test, the charge transfer resistance value is constant and then decreases rapidly i.e. the corrosion rate of the iron in the Paraloid coating pores increases with time. During the linear sweep voltammetry test of the iron sample with Paraloid coating, it was noticed that the anodic polarisation curve shows an unusual shape at the potentials more positive than - 0.5 V.
PB  - The Serbian Society of Corrosion and Materials Protection
C3  - Proceedings - XXI YUCORR International Conference
T1  - Corrosion characteristics of laser-cleaned surfaces on the iron artefact
VL  - 21
SP  - 56
EP  - 69
UR  - https://hdl.handle.net/21.15107/rcub_cer_5434
ER  - 

@conference{
author = "Radojković, Bojana M. and Jegdić, Bore and Bobić, Biljana and Ristić, Slavica and Polić, Suzana R.",
year = "2019",
abstract = "Nd:YAG laser was used for cleaning surfaces of cultural heritage iron artefacts covered with corrosion products. The corrosion products were removed without damaging the base material. Three different electrochemical techniques were used for the determination of the corrosion rate of mechanically prepared iron, laser-cleaned iron and laser-cleaned iron with Paraloid B44 coating. The morphology of the tested surfaces was analysed by SEM. The linear polarization resistance technique, electrochemical impedance spectroscopy and linear sweep voltammetry have shown that the corrosion rate of the laser-cleaned iron is approximately 50 % higher than the corrosion rate of the mechanically prepared iron. Electrochemical impedance spectroscopy has shown that the pore resistance of the Paraloid coating on the laser-cleaned iron sample decreases at the beginning of the test and remains approximately constant after this period. At the beginning of the test, the charge transfer resistance value is constant and then decreases rapidly i.e. the corrosion rate of the iron in the Paraloid coating pores increases with time. During the linear sweep voltammetry test of the iron sample with Paraloid coating, it was noticed that the anodic polarisation curve shows an unusual shape at the potentials more positive than - 0.5 V.",
publisher = "The Serbian Society of Corrosion and Materials Protection",
journal = "Proceedings - XXI YUCORR International Conference",
title = "Corrosion characteristics of laser-cleaned surfaces on the iron artefact",
volume = "21",
pages = "56-69",
url = "https://hdl.handle.net/21.15107/rcub_cer_5434"
}

Radojković, B. M., Jegdić, B., Bobić, B., Ristić, S.,& Polić, S. R.. (2019). Corrosion characteristics of laser-cleaned surfaces on the iron artefact. in Proceedings - XXI YUCORR International Conference
The Serbian Society of Corrosion and Materials Protection., 21, 56-69.
https://hdl.handle.net/21.15107/rcub_cer_5434

Radojković BM, Jegdić B, Bobić B, Ristić S, Polić SR. Corrosion characteristics of laser-cleaned surfaces on the iron artefact. in Proceedings - XXI YUCORR International Conference. 2019;21:56-69.
https://hdl.handle.net/21.15107/rcub_cer_5434 .

Radojković, Bojana M., Jegdić, Bore, Bobić, Biljana, Ristić, Slavica, Polić, Suzana R., "Corrosion characteristics of laser-cleaned surfaces on the iron artefact" in Proceedings - XXI YUCORR International Conference, 21 (2019):56-69,
https://hdl.handle.net/21.15107/rcub_cer_5434 .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Radojković, Bojana
AU  - Alić, Behar
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3375
AB  - The influence of welding parameters on the resistance to pitting corrosion in welded joints of X5CrNi18-10 stainless steel was studied. Welding was performed by a TIG procedure in a shielding gas containing different amounts of nitrogen. The welding speed, the deposition rate of the filler wire, and the shielding gas flow rate were constant, which allowed the nitrogen content in the weld metal to be directly dependent on the nitrogen content in the shielding gas. It was shown that welding current and arc energy had a significantly lower influence on the resistance to pit formation and pit growth, than the nitrogen content in the shielding gas. Pitting corrosion testing was conducted using the potentiodynamic polarization method. The resistance to pit formation increases with the increase in nitrogen content in the weld metal, while the resistance to pit growth decreases. The microstructure of the weld metal becomes more homogeneous in the presence of nitrogen and the distribution of chromium more uniform, which leads to the increased resistance to pit formation. Also, due to the formation of ammonia ions, the pH value of the solution within the pit is higher than in the bulk solution, which also increases the resistance to pit formation.
PB  - Springer
T2  - Welding in the World
T1  - Influence of welding parameters on pit initiation and pit growth in welded joints of X5CrNi18-10 stainless steel
VL  - 63
IS  - 1
SP  - 167
EP  - 179
DO  - 10.1007/s40194-018-0644-0
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana and Radojković, Bojana and Alić, Behar",
year = "2019",
abstract = "The influence of welding parameters on the resistance to pitting corrosion in welded joints of X5CrNi18-10 stainless steel was studied. Welding was performed by a TIG procedure in a shielding gas containing different amounts of nitrogen. The welding speed, the deposition rate of the filler wire, and the shielding gas flow rate were constant, which allowed the nitrogen content in the weld metal to be directly dependent on the nitrogen content in the shielding gas. It was shown that welding current and arc energy had a significantly lower influence on the resistance to pit formation and pit growth, than the nitrogen content in the shielding gas. Pitting corrosion testing was conducted using the potentiodynamic polarization method. The resistance to pit formation increases with the increase in nitrogen content in the weld metal, while the resistance to pit growth decreases. The microstructure of the weld metal becomes more homogeneous in the presence of nitrogen and the distribution of chromium more uniform, which leads to the increased resistance to pit formation. Also, due to the formation of ammonia ions, the pH value of the solution within the pit is higher than in the bulk solution, which also increases the resistance to pit formation.",
publisher = "Springer",
journal = "Welding in the World",
title = "Influence of welding parameters on pit initiation and pit growth in welded joints of X5CrNi18-10 stainless steel",
volume = "63",
number = "1",
pages = "167-179",
doi = "10.1007/s40194-018-0644-0"
}

Jegdić, B., Bobić, B., Radojković, B.,& Alić, B.. (2019). Influence of welding parameters on pit initiation and pit growth in welded joints of X5CrNi18-10 stainless steel. in Welding in the World
Springer., 63(1), 167-179.
https://doi.org/10.1007/s40194-018-0644-0

Jegdić B, Bobić B, Radojković B, Alić B. Influence of welding parameters on pit initiation and pit growth in welded joints of X5CrNi18-10 stainless steel. in Welding in the World. 2019;63(1):167-179.
doi:10.1007/s40194-018-0644-0 .

Jegdić, Bore, Bobić, Biljana, Radojković, Bojana, Alić, Behar, "Influence of welding parameters on pit initiation and pit growth in welded joints of X5CrNi18-10 stainless steel" in Welding in the World, 63, no. 1 (2019):167-179,
https://doi.org/10.1007/s40194-018-0644-0 . .

TY  - JOUR
AU  - Vencl, Aleksandar
AU  - Vučetić, Filip
AU  - Bobić, Biljana
AU  - Pitel, Jan
AU  - Bobić, Ilija
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2393
AB  - The influence of SiC microparticles reinforcement and graphite macroparticles addition on the friction and wear characteristics of A356 Al-Si alloys, produced by compocasting, has been assessed using a pin-on-disc tribometer. The incorporation of SiC reinforcement increased the coefficient of friction and reduced the wear. The addition of graphite did not reduce the coefficient of friction. In the case of hybrid composite with 1 wt% graphite, wear was more or less the same as with SiC reinforced composite, while in the case of hybrid composite with 3 wt% graphite, wear was further reduced. On the worn surfaces of hybrid composites, the presence of the discontinuous mixed surface layer, containing graphite and transferred counter-body material, was noticed.
PB  - Springer London
T2  - International Journal of Advanced Manufacturing Technology
T1  - Tribological characterisation in dry sliding conditions of compocasted hybrid A356/SiCp/Grp composites with graphite macroparticles
VL  - 100
IS  - 9-12
SP  - 2135
EP  - 2146
DO  - 10.1007/s00170-018-2866-0
ER  - 

@article{
author = "Vencl, Aleksandar and Vučetić, Filip and Bobić, Biljana and Pitel, Jan and Bobić, Ilija",
year = "2019",
abstract = "The influence of SiC microparticles reinforcement and graphite macroparticles addition on the friction and wear characteristics of A356 Al-Si alloys, produced by compocasting, has been assessed using a pin-on-disc tribometer. The incorporation of SiC reinforcement increased the coefficient of friction and reduced the wear. The addition of graphite did not reduce the coefficient of friction. In the case of hybrid composite with 1 wt% graphite, wear was more or less the same as with SiC reinforced composite, while in the case of hybrid composite with 3 wt% graphite, wear was further reduced. On the worn surfaces of hybrid composites, the presence of the discontinuous mixed surface layer, containing graphite and transferred counter-body material, was noticed.",
publisher = "Springer London",
journal = "International Journal of Advanced Manufacturing Technology",
title = "Tribological characterisation in dry sliding conditions of compocasted hybrid A356/SiCp/Grp composites with graphite macroparticles",
volume = "100",
number = "9-12",
pages = "2135-2146",
doi = "10.1007/s00170-018-2866-0"
}

Vencl, A., Vučetić, F., Bobić, B., Pitel, J.,& Bobić, I.. (2019). Tribological characterisation in dry sliding conditions of compocasted hybrid A356/SiCp/Grp composites with graphite macroparticles. in International Journal of Advanced Manufacturing Technology
Springer London., 100(9-12), 2135-2146.
https://doi.org/10.1007/s00170-018-2866-0

Vencl A, Vučetić F, Bobić B, Pitel J, Bobić I. Tribological characterisation in dry sliding conditions of compocasted hybrid A356/SiCp/Grp composites with graphite macroparticles. in International Journal of Advanced Manufacturing Technology. 2019;100(9-12):2135-2146.
doi:10.1007/s00170-018-2866-0 .

Vencl, Aleksandar, Vučetić, Filip, Bobić, Biljana, Pitel, Jan, Bobić, Ilija, "Tribological characterisation in dry sliding conditions of compocasted hybrid A356/SiCp/Grp composites with graphite macroparticles" in International Journal of Advanced Manufacturing Technology, 100, no. 9-12 (2019):2135-2146,
https://doi.org/10.1007/s00170-018-2866-0 . .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Radojković, Bojana
AU  - Alić, Behar
AU  - Radovanović, Lidija D.
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2498
AB  - This paper considers the influence of nitrogen in the shielding gas during TIG welding as well as the influence of a welding current level on the resistance to pitting corrosion and intergranular corrosion in welded joints of X5CrNi18-10 stainless steel. Testing of pitting corrosion was carried out using the potentiodynamic method, while intergranular corrosion was tested with the Double-Loop Electrochemical Potentiokinetic Reactivation method. Pitting corrosion resistance of welded joints (the weld metal and the heat affected zone) is higher in the presence of nitrogen in the shielding gas, while integranular corrosion resistance remains unchanged. Pitting corrosion resistance of the heat affected zone in the welded joint formed in nitrogen-free shielding gas is lower than in the base metal, while the weld metal has similar pitting corrosion resistance as the base metal. With an increase in a welding current level, pitting corrosion resistance and resistance to intergranular corrosion of welded joints decrease. The passivation current density is shown to be a good indicator of pitting corrosion resistance of welded joints. Hardness values of the weld metal and the heat affected zone are slightly lower than the base metal hardness value.
PB  - Elsevier
T2  - Journal of Materials Processing Technology
T1  - Corrosion resistance of welded joints of X5CrNi18-10 stainless steel
VL  - 266
SP  - 579
EP  - 587
DO  - 10.1016/j.jmatprotec.2018.11.029
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana and Radojković, Bojana and Alić, Behar and Radovanović, Lidija D.",
year = "2019",
abstract = "This paper considers the influence of nitrogen in the shielding gas during TIG welding as well as the influence of a welding current level on the resistance to pitting corrosion and intergranular corrosion in welded joints of X5CrNi18-10 stainless steel. Testing of pitting corrosion was carried out using the potentiodynamic method, while intergranular corrosion was tested with the Double-Loop Electrochemical Potentiokinetic Reactivation method. Pitting corrosion resistance of welded joints (the weld metal and the heat affected zone) is higher in the presence of nitrogen in the shielding gas, while integranular corrosion resistance remains unchanged. Pitting corrosion resistance of the heat affected zone in the welded joint formed in nitrogen-free shielding gas is lower than in the base metal, while the weld metal has similar pitting corrosion resistance as the base metal. With an increase in a welding current level, pitting corrosion resistance and resistance to intergranular corrosion of welded joints decrease. The passivation current density is shown to be a good indicator of pitting corrosion resistance of welded joints. Hardness values of the weld metal and the heat affected zone are slightly lower than the base metal hardness value.",
publisher = "Elsevier",
journal = "Journal of Materials Processing Technology",
title = "Corrosion resistance of welded joints of X5CrNi18-10 stainless steel",
volume = "266",
pages = "579-587",
doi = "10.1016/j.jmatprotec.2018.11.029"
}

Jegdić, B., Bobić, B., Radojković, B., Alić, B.,& Radovanović, L. D.. (2019). Corrosion resistance of welded joints of X5CrNi18-10 stainless steel. in Journal of Materials Processing Technology
Elsevier., 266, 579-587.
https://doi.org/10.1016/j.jmatprotec.2018.11.029

Jegdić B, Bobić B, Radojković B, Alić B, Radovanović LD. Corrosion resistance of welded joints of X5CrNi18-10 stainless steel. in Journal of Materials Processing Technology. 2019;266:579-587.
doi:10.1016/j.jmatprotec.2018.11.029 .

Jegdić, Bore, Bobić, Biljana, Radojković, Bojana, Alić, Behar, Radovanović, Lidija D., "Corrosion resistance of welded joints of X5CrNi18-10 stainless steel" in Journal of Materials Processing Technology, 266 (2019):579-587,
https://doi.org/10.1016/j.jmatprotec.2018.11.029 . .

TY  - JOUR
AU  - Vencl, Aleksandar
AU  - Bobić, Ilija
AU  - Bobić, Biljana
AU  - Jakimovska, Kristina
AU  - Svoboda, Petr
AU  - Kandeva, Mara
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3040
AB  - Metal matrix nanocomposites (MMnCs) comprise a metal matrix filled with nanosized reinforcements with physical and mechanical properties that are very different from those of the matrix. In ZA-27 alloy-based nanocomposites, the metal matrix provides ductility and toughness, while usually used ceramic reinforcements give high strength and hardness. Tested ZA-27 alloy-based nanocomposites, reinforced with different types (SiC and Al2O3), amounts (0.2 wt.%, 0.3 wt.%, and 0.5 wt.%) and sizes (25 nm, 50 nm, and 100 nm) of nanoparticles were produced through the compocasting process with mechanical alloying pre-processing (ball milling). It was previously shown that the presence of nanoparticles in ZA-27 alloy-based nanocomposites led to the formation of a finer structure in the nanocomposites matrix and an improvement in the basic mechanical properties (hardness and compressive yield strength) through the enhanced dislocation density strengthening mechanism. Solid particle erosive wear testing demonstrated that these improvements were followed with an increase in the erosive wear resistance of tested nanocomposites, as well. Additionally, by analyzing the influences of type, amount, and size of nanoparticles on the erosive wear resistance of nanocomposites, it was demonstrated that there is an optimal amount of nanoparticles, which in our case is 0.3 wt.%, and that the presence of SiC nanoparticles and smaller nanoparticles in nanocomposites had more beneficial influence on erosive wear resistance.
PB  - Springer
T2  - Friction
T1  - Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements
VL  - 7
IS  - 4
SP  - 340
EP  - 350
DO  - 10.1007/s40544-018-0222-x
ER  - 

@article{
author = "Vencl, Aleksandar and Bobić, Ilija and Bobić, Biljana and Jakimovska, Kristina and Svoboda, Petr and Kandeva, Mara",
year = "2019",
abstract = "Metal matrix nanocomposites (MMnCs) comprise a metal matrix filled with nanosized reinforcements with physical and mechanical properties that are very different from those of the matrix. In ZA-27 alloy-based nanocomposites, the metal matrix provides ductility and toughness, while usually used ceramic reinforcements give high strength and hardness. Tested ZA-27 alloy-based nanocomposites, reinforced with different types (SiC and Al2O3), amounts (0.2 wt.%, 0.3 wt.%, and 0.5 wt.%) and sizes (25 nm, 50 nm, and 100 nm) of nanoparticles were produced through the compocasting process with mechanical alloying pre-processing (ball milling). It was previously shown that the presence of nanoparticles in ZA-27 alloy-based nanocomposites led to the formation of a finer structure in the nanocomposites matrix and an improvement in the basic mechanical properties (hardness and compressive yield strength) through the enhanced dislocation density strengthening mechanism. Solid particle erosive wear testing demonstrated that these improvements were followed with an increase in the erosive wear resistance of tested nanocomposites, as well. Additionally, by analyzing the influences of type, amount, and size of nanoparticles on the erosive wear resistance of nanocomposites, it was demonstrated that there is an optimal amount of nanoparticles, which in our case is 0.3 wt.%, and that the presence of SiC nanoparticles and smaller nanoparticles in nanocomposites had more beneficial influence on erosive wear resistance.",
publisher = "Springer",
journal = "Friction",
title = "Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements",
volume = "7",
number = "4",
pages = "340-350",
doi = "10.1007/s40544-018-0222-x"
}

Vencl, A., Bobić, I., Bobić, B., Jakimovska, K., Svoboda, P.,& Kandeva, M.. (2019). Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements. in Friction
Springer., 7(4), 340-350.
https://doi.org/10.1007/s40544-018-0222-x

Vencl A, Bobić I, Bobić B, Jakimovska K, Svoboda P, Kandeva M. Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements. in Friction. 2019;7(4):340-350.
doi:10.1007/s40544-018-0222-x .

Vencl, Aleksandar, Bobić, Ilija, Bobić, Biljana, Jakimovska, Kristina, Svoboda, Petr, Kandeva, Mara, "Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements" in Friction, 7, no. 4 (2019):340-350,
https://doi.org/10.1007/s40544-018-0222-x . .

TY  - JOUR
AU  - Bobić, Ilija
AU  - Jegdić, Bore
AU  - Bobić, Biljana
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3457
AB  - The resistance to corrosion of the series of zinc-aluminum casting alloys modified with silicon and
strontium was studied in a sodium chloride solution. It was shown that general corrosion was the
main form of corrosion of Zn25Al-Si-Sr alloys in the test solution. The corrosion process takes
place through the anodic dissolution of the alloys, while the cathodic reaction is controlled by
diffusion of oxygen in the test solution. Three different electrochemical techniques were applied to
determine the corrosion current density, which is the electrochemical indicator of corrosion rate.
The value of corrosion current density for each Zn25Al-Si-Sr alloy was calculated using the value
of polarization resistance, obtained by electrochemical impedance spectroscopy or by linear
polarization resistance technique. The value of corrosion current density was also determined
directly from Tafel plots, which were recorded by linear sweep voltammetry. As the content of
silicon and strontium in the tested alloys increases, the value of corrosion current density
increases gradually. The results obtained by different electrochemical techniques are in good
agreement
AB  - Otpornost na koroziju serije legura cink-aluminijum za livenje, koje su modifikovane silicijumom i stroncijumom, ispitana je u rastvoru natrijum hlorida. Pokazano je da je opšta korozija glavni oblik korozije Zn25Al-Si-Sr legura u navedenom rastvoru. Proces korozije odvija se kao anodno rastvaranje legura, dok je katodna reakcija kontrolisana difuzijom kiseonika u rastvoru. Tri različite elektrohemijske tehnike primenjene su za određivanje gustine struje korozije, koja je elektrohemijski pokazatelj brzine korozije. Vrednost gustine struje korozije za svaku Zn25Al-Si-Sr leguru izračunata je na osnovu vrednosti polarizacione otpornosti, koja je određenai spektroskopijom elektrohemijske impedanse ili tehnikom linearne polarizacije. Vrednost gustine struje korozije je takođe određena direktno iz Tafelovih dijagrama, koji su registrovani pomoću voltametrije sa linearnom promenom potencijala. Sa povećanjem sadržaja silicijuma i stroncijuma u ispitivanim legurama vrednost gustine struje korozije postepeno raste. Rezultati dobijeni različitim elektrohemijskim tehnikama su u dobroj saglasnost
PB  - Belgrade : Engineering Society for Corrosion
T2  - Zaštita materijala
T1  - The resistance to general corrosion of series of zinc-aluminum alloys modified with silicon and strontiumloys modified with silicon and strontium
T1  - Otpornost na opštu koroziju serije legura cink-aluminijum koje su modifikovane silicijumom i stroncijumom
VL  - 60
IS  - 1
SP  - 18
EP  - 25
DO  - 10.5937/zasmat1901018B
ER  - 

@article{
author = "Bobić, Ilija and Jegdić, Bore and Bobić, Biljana",
year = "2019",
abstract = "The resistance to corrosion of the series of zinc-aluminum casting alloys modified with silicon and
strontium was studied in a sodium chloride solution. It was shown that general corrosion was the
main form of corrosion of Zn25Al-Si-Sr alloys in the test solution. The corrosion process takes
place through the anodic dissolution of the alloys, while the cathodic reaction is controlled by
diffusion of oxygen in the test solution. Three different electrochemical techniques were applied to
determine the corrosion current density, which is the electrochemical indicator of corrosion rate.
The value of corrosion current density for each Zn25Al-Si-Sr alloy was calculated using the value
of polarization resistance, obtained by electrochemical impedance spectroscopy or by linear
polarization resistance technique. The value of corrosion current density was also determined
directly from Tafel plots, which were recorded by linear sweep voltammetry. As the content of
silicon and strontium in the tested alloys increases, the value of corrosion current density
increases gradually. The results obtained by different electrochemical techniques are in good
agreement, Otpornost na koroziju serije legura cink-aluminijum za livenje, koje su modifikovane silicijumom i stroncijumom, ispitana je u rastvoru natrijum hlorida. Pokazano je da je opšta korozija glavni oblik korozije Zn25Al-Si-Sr legura u navedenom rastvoru. Proces korozije odvija se kao anodno rastvaranje legura, dok je katodna reakcija kontrolisana difuzijom kiseonika u rastvoru. Tri različite elektrohemijske tehnike primenjene su za određivanje gustine struje korozije, koja je elektrohemijski pokazatelj brzine korozije. Vrednost gustine struje korozije za svaku Zn25Al-Si-Sr leguru izračunata je na osnovu vrednosti polarizacione otpornosti, koja je određenai spektroskopijom elektrohemijske impedanse ili tehnikom linearne polarizacije. Vrednost gustine struje korozije je takođe određena direktno iz Tafelovih dijagrama, koji su registrovani pomoću voltametrije sa linearnom promenom potencijala. Sa povećanjem sadržaja silicijuma i stroncijuma u ispitivanim legurama vrednost gustine struje korozije postepeno raste. Rezultati dobijeni različitim elektrohemijskim tehnikama su u dobroj saglasnost",
publisher = "Belgrade : Engineering Society for Corrosion",
journal = "Zaštita materijala",
title = "The resistance to general corrosion of series of zinc-aluminum alloys modified with silicon and strontiumloys modified with silicon and strontium, Otpornost na opštu koroziju serije legura cink-aluminijum koje su modifikovane silicijumom i stroncijumom",
volume = "60",
number = "1",
pages = "18-25",
doi = "10.5937/zasmat1901018B"
}

Bobić, I., Jegdić, B.,& Bobić, B.. (2019). The resistance to general corrosion of series of zinc-aluminum alloys modified with silicon and strontiumloys modified with silicon and strontium. in Zaštita materijala
Belgrade : Engineering Society for Corrosion., 60(1), 18-25.
https://doi.org/10.5937/zasmat1901018B

Bobić I, Jegdić B, Bobić B. The resistance to general corrosion of series of zinc-aluminum alloys modified with silicon and strontiumloys modified with silicon and strontium. in Zaštita materijala. 2019;60(1):18-25.
doi:10.5937/zasmat1901018B .

Bobić, Ilija, Jegdić, Bore, Bobić, Biljana, "The resistance to general corrosion of series of zinc-aluminum alloys modified with silicon and strontiumloys modified with silicon and strontium" in Zaštita materijala, 60, no. 1 (2019):18-25,
https://doi.org/10.5937/zasmat1901018B . .

TY  - JOUR
AU  - Bobić, Biljana
AU  - Vencl, Aleksandar
AU  - Ružić, Jovana
AU  - Bobić, Ilija
AU  - Damnjanović, Zvonko
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3648
AB  - Particulate nanocomposites with the base of ZA27 alloy were synthesized using an innovative route, which includes mechanical milling and compocasting. Scrap from the matrix alloy and ceramic nanoreinforcements were mechanically milled using the ball-milling technique, which led to the formation of composite microparticles. The use of these particles in the compocasting process provided better wettability of ceramic nanoreinforcements in the semi-solid metal matrix, which resulted in a relatively good dispersion of the nanoreinforcements in nanocomposite castings. The presence of nanoreinforcements led to the grain refinement in the matrix of nanocomposites. The mechanical properties of the synthesized nanocomposites are improved and compared with the properties of the metal matrix. The observed increase in the hardness of nanocomposites with Al2O3 nanoreinforcements (20–30 nm) was 6.5% to 10.8%, while the yield strength of these nanocomposites has increased by 12.2% to 23.2%. The hardness and compressive yield strength of the nanocomposites with Al2O3 nanoparticles (100 nm) increased by 1.7% to 8.0% and 2.3% to 8.3%, respectively. The increase in hardness of the nanocomposites with SiC nanoparticles (50 nm) was 11.5% to 20.6%, while the increase in the yield strength was 15.6% to 24.5%. The greatest contribution to the overall strengthening in the synthesized nanocomposites is the result of increased dislocation density due to the difference in coefficients of thermal expansion for the matrix alloy and nanoreinforcements.
PB  - Sage Publishing
T2  - Journal of Composite Materials
T1  - Microstructural and basic mechanical characteristics of ZA27 alloy-based nanocomposites synthesized by mechanical milling and compocasting
VL  - 53
IS  - 15
SP  - 2033
EP  - 2046
DO  - 10.1177/0021998318817876
ER  - 

@article{
author = "Bobić, Biljana and Vencl, Aleksandar and Ružić, Jovana and Bobić, Ilija and Damnjanović, Zvonko",
year = "2019",
abstract = "Particulate nanocomposites with the base of ZA27 alloy were synthesized using an innovative route, which includes mechanical milling and compocasting. Scrap from the matrix alloy and ceramic nanoreinforcements were mechanically milled using the ball-milling technique, which led to the formation of composite microparticles. The use of these particles in the compocasting process provided better wettability of ceramic nanoreinforcements in the semi-solid metal matrix, which resulted in a relatively good dispersion of the nanoreinforcements in nanocomposite castings. The presence of nanoreinforcements led to the grain refinement in the matrix of nanocomposites. The mechanical properties of the synthesized nanocomposites are improved and compared with the properties of the metal matrix. The observed increase in the hardness of nanocomposites with Al2O3 nanoreinforcements (20–30 nm) was 6.5% to 10.8%, while the yield strength of these nanocomposites has increased by 12.2% to 23.2%. The hardness and compressive yield strength of the nanocomposites with Al2O3 nanoparticles (100 nm) increased by 1.7% to 8.0% and 2.3% to 8.3%, respectively. The increase in hardness of the nanocomposites with SiC nanoparticles (50 nm) was 11.5% to 20.6%, while the increase in the yield strength was 15.6% to 24.5%. The greatest contribution to the overall strengthening in the synthesized nanocomposites is the result of increased dislocation density due to the difference in coefficients of thermal expansion for the matrix alloy and nanoreinforcements.",
publisher = "Sage Publishing",
journal = "Journal of Composite Materials",
title = "Microstructural and basic mechanical characteristics of ZA27 alloy-based nanocomposites synthesized by mechanical milling and compocasting",
volume = "53",
number = "15",
pages = "2033-2046",
doi = "10.1177/0021998318817876"
}

Bobić, B., Vencl, A., Ružić, J., Bobić, I.,& Damnjanović, Z.. (2019). Microstructural and basic mechanical characteristics of ZA27 alloy-based nanocomposites synthesized by mechanical milling and compocasting. in Journal of Composite Materials
Sage Publishing., 53(15), 2033-2046.
https://doi.org/10.1177/0021998318817876

Bobić B, Vencl A, Ružić J, Bobić I, Damnjanović Z. Microstructural and basic mechanical characteristics of ZA27 alloy-based nanocomposites synthesized by mechanical milling and compocasting. in Journal of Composite Materials. 2019;53(15):2033-2046.
doi:10.1177/0021998318817876 .

Bobić, Biljana, Vencl, Aleksandar, Ružić, Jovana, Bobić, Ilija, Damnjanović, Zvonko, "Microstructural and basic mechanical characteristics of ZA27 alloy-based nanocomposites synthesized by mechanical milling and compocasting" in Journal of Composite Materials, 53, no. 15 (2019):2033-2046,
https://doi.org/10.1177/0021998318817876 . .

TY  - CONF
AU  - Radojković, Bojana M.
AU  - Jegdić, Bore
AU  - Ristić, Slavica S.
AU  - Bobić, Biljana M.
AU  - Polić, Suzana R.
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5445
AB  - Different types of weapons and military equipment, made of brass, are often exposed to extreme atmospheric conditions, to chemical agents, erosion and wear. It is important to evaluate the corrosion characteristics of brass in different corrosive environments, and especially after laser cleaning of corrosion products, various deposits and other undesirable surface layers. The brass corrosion resistance changes, after surface laser cleaning, were examined in this paper. Nd:YAG laser with lambda=1064 nm was used for laser cleaning process. SEM analysis was applied for investigation of the brass surface micro-morphology before and after laser cleaning. Electrochemical techniques such as linear polarization resistance, electrochemical impedance spectroscopy, linear sweep voltammetry and electrochemical frequency modification were used to study the corrosion characteristics of laser treated and mechanically prepared brass surface. The results of electrochemical tests have shown that the corrosion rate of laser treated brass surface is approximately same as the corrosion rate of brass surface prepared by the standard grinding and degreasing process. This indicates that the brass surface was efficiently cleaned by laser treatment with applied operating parameters without lowering its corrosion resistance. The abilities of different electrochemical methods for determination of corrosion rate were compared.
PB  - The Military Technical Institute Belgrade
C3  - Proceedings - 8th International scientific conference on defensive technologies OTEH 2018, 11-12.10.2018, Belgrade
T1  - Corrosion characteristics of laser cleaned brass surfaces
VL  - 8
SP  - 456
EP  - 461
UR  - https://hdl.handle.net/21.15107/rcub_cer_5445
ER  - 

@conference{
author = "Radojković, Bojana M. and Jegdić, Bore and Ristić, Slavica S. and Bobić, Biljana M. and Polić, Suzana R.",
year = "2018",
abstract = "Different types of weapons and military equipment, made of brass, are often exposed to extreme atmospheric conditions, to chemical agents, erosion and wear. It is important to evaluate the corrosion characteristics of brass in different corrosive environments, and especially after laser cleaning of corrosion products, various deposits and other undesirable surface layers. The brass corrosion resistance changes, after surface laser cleaning, were examined in this paper. Nd:YAG laser with lambda=1064 nm was used for laser cleaning process. SEM analysis was applied for investigation of the brass surface micro-morphology before and after laser cleaning. Electrochemical techniques such as linear polarization resistance, electrochemical impedance spectroscopy, linear sweep voltammetry and electrochemical frequency modification were used to study the corrosion characteristics of laser treated and mechanically prepared brass surface. The results of electrochemical tests have shown that the corrosion rate of laser treated brass surface is approximately same as the corrosion rate of brass surface prepared by the standard grinding and degreasing process. This indicates that the brass surface was efficiently cleaned by laser treatment with applied operating parameters without lowering its corrosion resistance. The abilities of different electrochemical methods for determination of corrosion rate were compared.",
publisher = "The Military Technical Institute Belgrade",
journal = "Proceedings - 8th International scientific conference on defensive technologies OTEH 2018, 11-12.10.2018, Belgrade",
title = "Corrosion characteristics of laser cleaned brass surfaces",
volume = "8",
pages = "456-461",
url = "https://hdl.handle.net/21.15107/rcub_cer_5445"
}

Radojković, B. M., Jegdić, B., Ristić, S. S., Bobić, B. M.,& Polić, S. R.. (2018). Corrosion characteristics of laser cleaned brass surfaces. in Proceedings - 8th International scientific conference on defensive technologies OTEH 2018, 11-12.10.2018, Belgrade
The Military Technical Institute Belgrade., 8, 456-461.
https://hdl.handle.net/21.15107/rcub_cer_5445

Radojković BM, Jegdić B, Ristić SS, Bobić BM, Polić SR. Corrosion characteristics of laser cleaned brass surfaces. in Proceedings - 8th International scientific conference on defensive technologies OTEH 2018, 11-12.10.2018, Belgrade. 2018;8:456-461.
https://hdl.handle.net/21.15107/rcub_cer_5445 .

Radojković, Bojana M., Jegdić, Bore, Ristić, Slavica S., Bobić, Biljana M., Polić, Suzana R., "Corrosion characteristics of laser cleaned brass surfaces" in Proceedings - 8th International scientific conference on defensive technologies OTEH 2018, 11-12.10.2018, Belgrade, 8 (2018):456-461,
https://hdl.handle.net/21.15107/rcub_cer_5445 .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Radojković, Bojana
AU  - Alić, Behar
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2363
AB  - The resistance to pitting and intergranular corrosion of the welded joint of X5CrNi18-10 austenitic stainless steel is analyzed in this paper. The resistance of the welded joint to intergranular corrosion does not depend on the nitrogen content in the shielding gas. It depends on the heat input into the welded joint, that is, on the welding current intensity. The resistance to pitting corrosion depends on the content of nitrogen in the shielding gas and on the welding current intensity. With the increase in the nitrogen content in the shielding gas, the resistance of the heat affected zone (HAZ) to pitting corrosion increases. The welding current intensity (heat input into the welded joint) shows two opposite effects. On the one hand, the increase of the heat input into the welded joint causes a more intensive precipitation of chromium carbides along the grain boundaries, which then leads to depletion in chromium of the grain boundary areas. The sensitization degree of the HAZ is thus increased and the formation of pits easier. On the other hand, with the increase in the welding current intensity, diffusion of nitrogen from the weld metal into the HAZ is facilitated, which contributes to the increased HAZ resistance to pitting corrosion. Possible mechanisms for increasing the HAZ resistance to pitting corrosion in the presence of nitrogen are also considered.
PB  - Wiley
T2  - Materials and Corrosion-Werkstoffe Und Korrosion
T1  - Influence of the welding current intensity and nitrogen content on the corrosion resistance of austenitic stainless steels
VL  - 69
IS  - 12
SP  - 1758
EP  - 1769
DO  - 10.1002/maco.201810182
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana and Radojković, Bojana and Alić, Behar",
year = "2018",
abstract = "The resistance to pitting and intergranular corrosion of the welded joint of X5CrNi18-10 austenitic stainless steel is analyzed in this paper. The resistance of the welded joint to intergranular corrosion does not depend on the nitrogen content in the shielding gas. It depends on the heat input into the welded joint, that is, on the welding current intensity. The resistance to pitting corrosion depends on the content of nitrogen in the shielding gas and on the welding current intensity. With the increase in the nitrogen content in the shielding gas, the resistance of the heat affected zone (HAZ) to pitting corrosion increases. The welding current intensity (heat input into the welded joint) shows two opposite effects. On the one hand, the increase of the heat input into the welded joint causes a more intensive precipitation of chromium carbides along the grain boundaries, which then leads to depletion in chromium of the grain boundary areas. The sensitization degree of the HAZ is thus increased and the formation of pits easier. On the other hand, with the increase in the welding current intensity, diffusion of nitrogen from the weld metal into the HAZ is facilitated, which contributes to the increased HAZ resistance to pitting corrosion. Possible mechanisms for increasing the HAZ resistance to pitting corrosion in the presence of nitrogen are also considered.",
publisher = "Wiley",
journal = "Materials and Corrosion-Werkstoffe Und Korrosion",
title = "Influence of the welding current intensity and nitrogen content on the corrosion resistance of austenitic stainless steels",
volume = "69",
number = "12",
pages = "1758-1769",
doi = "10.1002/maco.201810182"
}

Jegdić, B., Bobić, B., Radojković, B.,& Alić, B.. (2018). Influence of the welding current intensity and nitrogen content on the corrosion resistance of austenitic stainless steels. in Materials and Corrosion-Werkstoffe Und Korrosion
Wiley., 69(12), 1758-1769.
https://doi.org/10.1002/maco.201810182

Jegdić B, Bobić B, Radojković B, Alić B. Influence of the welding current intensity and nitrogen content on the corrosion resistance of austenitic stainless steels. in Materials and Corrosion-Werkstoffe Und Korrosion. 2018;69(12):1758-1769.
doi:10.1002/maco.201810182 .

Jegdić, Bore, Bobić, Biljana, Radojković, Bojana, Alić, Behar, "Influence of the welding current intensity and nitrogen content on the corrosion resistance of austenitic stainless steels" in Materials and Corrosion-Werkstoffe Und Korrosion, 69, no. 12 (2018):1758-1769,
https://doi.org/10.1002/maco.201810182 . .

TY  - JOUR
AU  - Vencl, Aleksandar
AU  - Bobić, Biljana
AU  - Vučetić, Filip
AU  - Svoboda, Petr
AU  - Popović, Vladimir
AU  - Bobić, Ilija
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2370
AB  - Nanocomposites were synthesized via compocasting using Zn25Al3Si and Zn25Al3Si0.03Sr alloys as the matrices and nanoparticles of Al2O3 (1 wt%) as the reinforcement. Structure of the nanocomposites was examined, and their basic mechanical and tribological properties were tested. Distribution of primary silicon particles in the structure of nanocomposites has been improved compared to their distribution in the Zn25Al3Si matrix alloy due to the presence of Al2O3 nanoparticles and strontium. The primary silicon particles in the structure of the nanocomposites were found to be more fine-grained compared to the same particles in the structure of the as-cast Zn25Al3Si alloy. Tested mechanical properties of the nanocomposite with Zn25Al3Si alloy matrix are improved, compared to the matrix alloy. The nanocomposite with Zn25Al3Si0.03Sr alloy matrix is characterized with slightly higher value of compressive yield strength and a slightly lower hardness value compared to the as-cast Zn25Al3Si alloy. Both nanocomposites showed lower wear rate and higher coefficient of friction, compared to the matrix alloy, in sliding under the boundary lubricating regime. However, the nanocomposite with Zn25Al3Si alloy matrix showed better tribological properties than the nanocomposite with Zn25Al3Si0.03Sr alloy matrix.
PB  - Springer Heidelberg, Heidelberg
T2  - Journal of the Brazilian Society of Mechanical Sciences and Engineering
T1  - Effect of Al2O3 nanoparticles and strontium addition on structural, mechanical and tribological properties of Zn25Al3Si alloy
VL  - 40
IS  - 11
DO  - 10.1007/s40430-018-1441-9
ER  - 

@article{
author = "Vencl, Aleksandar and Bobić, Biljana and Vučetić, Filip and Svoboda, Petr and Popović, Vladimir and Bobić, Ilija",
year = "2018",
abstract = "Nanocomposites were synthesized via compocasting using Zn25Al3Si and Zn25Al3Si0.03Sr alloys as the matrices and nanoparticles of Al2O3 (1 wt%) as the reinforcement. Structure of the nanocomposites was examined, and their basic mechanical and tribological properties were tested. Distribution of primary silicon particles in the structure of nanocomposites has been improved compared to their distribution in the Zn25Al3Si matrix alloy due to the presence of Al2O3 nanoparticles and strontium. The primary silicon particles in the structure of the nanocomposites were found to be more fine-grained compared to the same particles in the structure of the as-cast Zn25Al3Si alloy. Tested mechanical properties of the nanocomposite with Zn25Al3Si alloy matrix are improved, compared to the matrix alloy. The nanocomposite with Zn25Al3Si0.03Sr alloy matrix is characterized with slightly higher value of compressive yield strength and a slightly lower hardness value compared to the as-cast Zn25Al3Si alloy. Both nanocomposites showed lower wear rate and higher coefficient of friction, compared to the matrix alloy, in sliding under the boundary lubricating regime. However, the nanocomposite with Zn25Al3Si alloy matrix showed better tribological properties than the nanocomposite with Zn25Al3Si0.03Sr alloy matrix.",
publisher = "Springer Heidelberg, Heidelberg",
journal = "Journal of the Brazilian Society of Mechanical Sciences and Engineering",
title = "Effect of Al2O3 nanoparticles and strontium addition on structural, mechanical and tribological properties of Zn25Al3Si alloy",
volume = "40",
number = "11",
doi = "10.1007/s40430-018-1441-9"
}

Vencl, A., Bobić, B., Vučetić, F., Svoboda, P., Popović, V.,& Bobić, I.. (2018). Effect of Al2O3 nanoparticles and strontium addition on structural, mechanical and tribological properties of Zn25Al3Si alloy. in Journal of the Brazilian Society of Mechanical Sciences and Engineering
Springer Heidelberg, Heidelberg., 40(11).
https://doi.org/10.1007/s40430-018-1441-9

Vencl A, Bobić B, Vučetić F, Svoboda P, Popović V, Bobić I. Effect of Al2O3 nanoparticles and strontium addition on structural, mechanical and tribological properties of Zn25Al3Si alloy. in Journal of the Brazilian Society of Mechanical Sciences and Engineering. 2018;40(11).
doi:10.1007/s40430-018-1441-9 .

Vencl, Aleksandar, Bobić, Biljana, Vučetić, Filip, Svoboda, Petr, Popović, Vladimir, Bobić, Ilija, "Effect of Al2O3 nanoparticles and strontium addition on structural, mechanical and tribological properties of Zn25Al3Si alloy" in Journal of the Brazilian Society of Mechanical Sciences and Engineering, 40, no. 11 (2018),
https://doi.org/10.1007/s40430-018-1441-9 . .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Radojković, Bojana
AU  - Bobić, Biljana
AU  - Krmar, Marija
AU  - Ristić, Slavica S.
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2448
AB  - Corrosion behavior of metalized layers, obtained by Plasma Transferred Arc (PTA) process and by High-Velocity Oxygen Fuel (HVOF) process with the purpose to improve the wear resistance of vital parts of ventilation mill in a thermal power plant, has been tested. The test is performed using three electrochemical techniques, in a solution containing chloride and sulfate ions. It is shown that the steel surface (base metal) dissolves uniformly, without pitting or other forms of local dissolution. Morphology of metalized layers surface indicates that dissolution is non-uniform, but it still can be considered as general corrosion. The corrosion rate of base metal and metalized layer obtained by PTA process is rather low, while the corrosion rate of the metalized layer obtained by HVOF process is much higher. Also, the difference in corrosion potentials between the base metal and the HVOF layer is pretty high but slightly less than maximum allowed difference (prescribed by the standard), to avoid excessive galvanic corrosion. The values of corrosion rate obtained by different electrochemical techniques are in excellent agreement.
PB  - Belgrade : Association of Metallurgical Engineers of Serbia
T2  - Metallurgical and Materials Engineering
T1  - Corrosion resistance of metalized layers on steel parts in ventilation mill
VL  - 24
IS  - 2
SP  - 123
EP  - 132
DO  - 10.30544/340
ER  - 

@article{
author = "Jegdić, Bore and Radojković, Bojana and Bobić, Biljana and Krmar, Marija and Ristić, Slavica S.",
year = "2018",
abstract = "Corrosion behavior of metalized layers, obtained by Plasma Transferred Arc (PTA) process and by High-Velocity Oxygen Fuel (HVOF) process with the purpose to improve the wear resistance of vital parts of ventilation mill in a thermal power plant, has been tested. The test is performed using three electrochemical techniques, in a solution containing chloride and sulfate ions. It is shown that the steel surface (base metal) dissolves uniformly, without pitting or other forms of local dissolution. Morphology of metalized layers surface indicates that dissolution is non-uniform, but it still can be considered as general corrosion. The corrosion rate of base metal and metalized layer obtained by PTA process is rather low, while the corrosion rate of the metalized layer obtained by HVOF process is much higher. Also, the difference in corrosion potentials between the base metal and the HVOF layer is pretty high but slightly less than maximum allowed difference (prescribed by the standard), to avoid excessive galvanic corrosion. The values of corrosion rate obtained by different electrochemical techniques are in excellent agreement.",
publisher = "Belgrade : Association of Metallurgical Engineers of Serbia",
journal = "Metallurgical and Materials Engineering",
title = "Corrosion resistance of metalized layers on steel parts in ventilation mill",
volume = "24",
number = "2",
pages = "123-132",
doi = "10.30544/340"
}

Jegdić, B., Radojković, B., Bobić, B., Krmar, M.,& Ristić, S. S.. (2018). Corrosion resistance of metalized layers on steel parts in ventilation mill. in Metallurgical and Materials Engineering
Belgrade : Association of Metallurgical Engineers of Serbia., 24(2), 123-132.
https://doi.org/10.30544/340

Jegdić B, Radojković B, Bobić B, Krmar M, Ristić SS. Corrosion resistance of metalized layers on steel parts in ventilation mill. in Metallurgical and Materials Engineering. 2018;24(2):123-132.
doi:10.30544/340 .

Jegdić, Bore, Radojković, Bojana, Bobić, Biljana, Krmar, Marija, Ristić, Slavica S., "Corrosion resistance of metalized layers on steel parts in ventilation mill" in Metallurgical and Materials Engineering, 24, no. 2 (2018):123-132,
https://doi.org/10.30544/340 . .

TY  - JOUR
AU  - Bobić, Biljana
AU  - Jegdić, Bore
AU  - Stevanović, Jasmina
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2085
AB  - After sterilization of meat cans in a factory of meat and meat products in Serbia, occurence of corrosion on the can lids was observed. Sterilization of cans is usually performed in the presence of corrosion inhibitors. The protective ability of commercial corrosion inhibitor P3 and corrosion inhibitor benzotriazole (BTA) in a solution of NaCl was examined in this work, using electrochemical impedance spectroscopy and recording the polarization curves. It is shown that in the presence of the above corrosion inhibitors, resistance of the electrolyte in the pores of an organic coating, which was applied to a can lid, increases several times, which indicates an improvement in barrier properties of the organic coating. In the presence of corrosion inhibitor P3, the corrosion rate of a metal in pores of the applied organic coating is about ten times lower, while in the presence of corrosion inhibitor BTA the corrosion rate is three to four times lower. Corrosion inhibitor P3 slows down anodic reaction in the corrosion process, more than cathodic reaction, unlike corrosion inhibitor BTA, which slows down cathodic reaction. Based on tests performed in this work, application of corrosion inhibitor P3 (in concentrations 0.6 to 1.0 g dm-3) is recommended during sterilization of meat cans in industry of meat and meat products.
AB  - Posle sterilizacije konzervi u jednoj fabrici mesa i mesnih prerađevina u Srbiji, uočena je pojava korozije na poklopcima konzervi. Sterilizacija konzervi se obično izvodi u prisustvu inhibitora korozije. U ovom radu ispitana je zaštitna sposobnost komercijalnog inhibitora korozije P3 i inhibitora korozije benzotriazola (BTA) u rastvoru NaCl, primenom elektrohemijske impedansne spektroskopije i snimanjem polarizacionih krivih. Pokazano je da se u prisustvu navedenih inhibitora korozije otpor elektrolita u porama organske prevlake, koja je nanešena na poklopac konzervi, povećava nekoliko puta, što ukazuje da je došlo do poboljšanja barijernih osobina organske prevlake. U prisustvu inhibitora korozije P3 brzina korozije metala u porama organske prevlake manja je približno deset puta, dok je u prisustvu inhibitora korozije BTA brzina korozije manja tri do četiri puta. Inhibitor korozije P3 više usporava anodnu reakciju procesa korozije nego katodnu reakciju, za razliku od inhibitora korozije BTA koji više usporava katodnu reakciju. Na osnovu izvršenih ispitivanja u radu, može se preporučiti da se tokom sterilizacije konzervi u industriji mesa i mesnih prerađevina koristi inhibitor korozije P3, koncentracije od 0,6 do 1,0 g dm-3. PR Projekat Ministarstva nauke Republike Srbije, br. TR 34028 i TR 35021.
PB  - Belgrade, Serbia : Engineering Society for Corrosion
T2  - Zaštita materijala
T1  - Testing the protective ability of corrosion inhibitors in dilute chloride solutions
T1  - Ispitivanje zaštitne sposobnosti inhibitora korozije u razblaženim rastvorima hlorida
VL  - 58
IS  - 1
SP  - 41
EP  - 46
DO  - 10.5937/ZasMat1701041B
ER  - 

@article{
author = "Bobić, Biljana and Jegdić, Bore and Stevanović, Jasmina",
year = "2017",
abstract = "After sterilization of meat cans in a factory of meat and meat products in Serbia, occurence of corrosion on the can lids was observed. Sterilization of cans is usually performed in the presence of corrosion inhibitors. The protective ability of commercial corrosion inhibitor P3 and corrosion inhibitor benzotriazole (BTA) in a solution of NaCl was examined in this work, using electrochemical impedance spectroscopy and recording the polarization curves. It is shown that in the presence of the above corrosion inhibitors, resistance of the electrolyte in the pores of an organic coating, which was applied to a can lid, increases several times, which indicates an improvement in barrier properties of the organic coating. In the presence of corrosion inhibitor P3, the corrosion rate of a metal in pores of the applied organic coating is about ten times lower, while in the presence of corrosion inhibitor BTA the corrosion rate is three to four times lower. Corrosion inhibitor P3 slows down anodic reaction in the corrosion process, more than cathodic reaction, unlike corrosion inhibitor BTA, which slows down cathodic reaction. Based on tests performed in this work, application of corrosion inhibitor P3 (in concentrations 0.6 to 1.0 g dm-3) is recommended during sterilization of meat cans in industry of meat and meat products., Posle sterilizacije konzervi u jednoj fabrici mesa i mesnih prerađevina u Srbiji, uočena je pojava korozije na poklopcima konzervi. Sterilizacija konzervi se obično izvodi u prisustvu inhibitora korozije. U ovom radu ispitana je zaštitna sposobnost komercijalnog inhibitora korozije P3 i inhibitora korozije benzotriazola (BTA) u rastvoru NaCl, primenom elektrohemijske impedansne spektroskopije i snimanjem polarizacionih krivih. Pokazano je da se u prisustvu navedenih inhibitora korozije otpor elektrolita u porama organske prevlake, koja je nanešena na poklopac konzervi, povećava nekoliko puta, što ukazuje da je došlo do poboljšanja barijernih osobina organske prevlake. U prisustvu inhibitora korozije P3 brzina korozije metala u porama organske prevlake manja je približno deset puta, dok je u prisustvu inhibitora korozije BTA brzina korozije manja tri do četiri puta. Inhibitor korozije P3 više usporava anodnu reakciju procesa korozije nego katodnu reakciju, za razliku od inhibitora korozije BTA koji više usporava katodnu reakciju. Na osnovu izvršenih ispitivanja u radu, može se preporučiti da se tokom sterilizacije konzervi u industriji mesa i mesnih prerađevina koristi inhibitor korozije P3, koncentracije od 0,6 do 1,0 g dm-3. PR Projekat Ministarstva nauke Republike Srbije, br. TR 34028 i TR 35021.",
publisher = "Belgrade, Serbia : Engineering Society for Corrosion",
journal = "Zaštita materijala",
title = "Testing the protective ability of corrosion inhibitors in dilute chloride solutions, Ispitivanje zaštitne sposobnosti inhibitora korozije u razblaženim rastvorima hlorida",
volume = "58",
number = "1",
pages = "41-46",
doi = "10.5937/ZasMat1701041B"
}

Bobić, B., Jegdić, B.,& Stevanović, J.. (2017). Testing the protective ability of corrosion inhibitors in dilute chloride solutions. in Zaštita materijala
Belgrade, Serbia : Engineering Society for Corrosion., 58(1), 41-46.
https://doi.org/10.5937/ZasMat1701041B

Bobić B, Jegdić B, Stevanović J. Testing the protective ability of corrosion inhibitors in dilute chloride solutions. in Zaštita materijala. 2017;58(1):41-46.
doi:10.5937/ZasMat1701041B .

Bobić, Biljana, Jegdić, Bore, Stevanović, Jasmina, "Testing the protective ability of corrosion inhibitors in dilute chloride solutions" in Zaštita materijala, 58, no. 1 (2017):41-46,
https://doi.org/10.5937/ZasMat1701041B . .

TY  - JOUR
AU  - Bobić, Biljana
AU  - Bajat, Jelena
AU  - Bobić, Ilija
AU  - Jegdić, Bore
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3650
AB  - The influence of corrosion on the surface appearance and microstructure of particulate ZA27/SiCp composites was examined after 30 d immersion in a sodium chloride solution with the access of atmospheric oxygen. The composites with different contents of SiC micro-particles were synthesized via compo casting. Microstructural studies by means of optical microscopy (OM) and scanning electron microscopy (SEM) showed that corrosion occurred in the composite matrices, preferentially in regions of the η phase, rich in zinc. The corrosion processes did not affect the silicon carbide particles incorporated in the matrix alloy. According to the results of electrochemical polarization measurements, an increase in the content of SiC particles in the composite matrice has led to the lower corrosion resistance in the composites.
PB  - Elsevier
T2  - Transactions of Nonferrous Metals Society of China (English Edition)
T1  - Corrosion influence on surface appearance and microstructure of compo cast ZA27/SiCp composites in sodium chloride solution
VL  - 26
IS  - 6
SP  - 1512
EP  - 1521
DO  - 10.1016/S1003-6326(16)64257-7
ER  - 

@article{
author = "Bobić, Biljana and Bajat, Jelena and Bobić, Ilija and Jegdić, Bore",
year = "2016",
abstract = "The influence of corrosion on the surface appearance and microstructure of particulate ZA27/SiCp composites was examined after 30 d immersion in a sodium chloride solution with the access of atmospheric oxygen. The composites with different contents of SiC micro-particles were synthesized via compo casting. Microstructural studies by means of optical microscopy (OM) and scanning electron microscopy (SEM) showed that corrosion occurred in the composite matrices, preferentially in regions of the η phase, rich in zinc. The corrosion processes did not affect the silicon carbide particles incorporated in the matrix alloy. According to the results of electrochemical polarization measurements, an increase in the content of SiC particles in the composite matrice has led to the lower corrosion resistance in the composites.",
publisher = "Elsevier",
journal = "Transactions of Nonferrous Metals Society of China (English Edition)",
title = "Corrosion influence on surface appearance and microstructure of compo cast ZA27/SiCp composites in sodium chloride solution",
volume = "26",
number = "6",
pages = "1512-1521",
doi = "10.1016/S1003-6326(16)64257-7"
}

Bobić, B., Bajat, J., Bobić, I.,& Jegdić, B.. (2016). Corrosion influence on surface appearance and microstructure of compo cast ZA27/SiCp composites in sodium chloride solution. in Transactions of Nonferrous Metals Society of China (English Edition)
Elsevier., 26(6), 1512-1521.
https://doi.org/10.1016/S1003-6326(16)64257-7

Bobić B, Bajat J, Bobić I, Jegdić B. Corrosion influence on surface appearance and microstructure of compo cast ZA27/SiCp composites in sodium chloride solution. in Transactions of Nonferrous Metals Society of China (English Edition). 2016;26(6):1512-1521.
doi:10.1016/S1003-6326(16)64257-7 .

Bobić, Biljana, Bajat, Jelena, Bobić, Ilija, Jegdić, Bore, "Corrosion influence on surface appearance and microstructure of compo cast ZA27/SiCp composites in sodium chloride solution" in Transactions of Nonferrous Metals Society of China (English Edition), 26, no. 6 (2016):1512-1521,
https://doi.org/10.1016/S1003-6326(16)64257-7 . .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Popić, Jovan P.
AU  - Bobić, Biljana
AU  - Stevanović, Maja
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1869
AB  - In this paper, phenomena of chemical corrosion of metals and alloys in electrolyte solutions are analyzed. It is shown that iron, chromium and other metals and alloys dissolve much faster than is the corrosion rate determined by electrochemical methods. This means that the chemical dissolution takes place simultaneously with the electrochemical dissolution. The chemical dissolution does not depend on electrode potential. Under some conditions, chemical dissolution of metals is the dominant process of dissolution. Several mechanisms of chemical corrosion are described. Also, the consequences of chemical dissolution of various metals and alloys are discussed, as well as the hydrogen evolution during the chemical dissolution. The process of hydrogen evolution during the chemical corrosion is not subjected to the laws of electrochemical kinetics.
AB  - U ovom preglednom radu analizirana je hemijska korozija metala i legura u rastvorima elektrolita. Pokazano je da se gvožđe, hrom i neki drugi metali i legure rastvaraju mnogo brže nego što je njihova brzina korozije određena elektrohemijskim metodama. To znači da se istovremeno sa elektrohemijskim rastvaranjem odvija i hemijsko rastvaranje, koje ne zavisi od potencijala. U nekim uslovima hemijsko rastvaranje metala je dominantan proces rastvaranja. Opisano je više mehanizama hemijske korozije. Takođe, razmatrane su posledice hemijskog rastvaranja različitih metala i legura, kao i pojava izdvajanja vodonika pri hemijskom rastvaranju. Proces izdvajanja vodonika pri hemijskoj koroziji ne podleže zakonitostima elektrohemijske kinetike.
PB  - Belgrade, Serbia : Engineering Society for Corrosion
T2  - Zaštita materijala
T1  - Chemical corrosion of metals and alloys
T1  - Hemijska korozija metala i legura
VL  - 57
IS  - 2
SP  - 205
EP  - 211
DO  - 10.5937/ZasMat1602205J
ER  - 

@article{
author = "Jegdić, Bore and Popić, Jovan P. and Bobić, Biljana and Stevanović, Maja",
year = "2016",
abstract = "In this paper, phenomena of chemical corrosion of metals and alloys in electrolyte solutions are analyzed. It is shown that iron, chromium and other metals and alloys dissolve much faster than is the corrosion rate determined by electrochemical methods. This means that the chemical dissolution takes place simultaneously with the electrochemical dissolution. The chemical dissolution does not depend on electrode potential. Under some conditions, chemical dissolution of metals is the dominant process of dissolution. Several mechanisms of chemical corrosion are described. Also, the consequences of chemical dissolution of various metals and alloys are discussed, as well as the hydrogen evolution during the chemical dissolution. The process of hydrogen evolution during the chemical corrosion is not subjected to the laws of electrochemical kinetics., U ovom preglednom radu analizirana je hemijska korozija metala i legura u rastvorima elektrolita. Pokazano je da se gvožđe, hrom i neki drugi metali i legure rastvaraju mnogo brže nego što je njihova brzina korozije određena elektrohemijskim metodama. To znači da se istovremeno sa elektrohemijskim rastvaranjem odvija i hemijsko rastvaranje, koje ne zavisi od potencijala. U nekim uslovima hemijsko rastvaranje metala je dominantan proces rastvaranja. Opisano je više mehanizama hemijske korozije. Takođe, razmatrane su posledice hemijskog rastvaranja različitih metala i legura, kao i pojava izdvajanja vodonika pri hemijskom rastvaranju. Proces izdvajanja vodonika pri hemijskoj koroziji ne podleže zakonitostima elektrohemijske kinetike.",
publisher = "Belgrade, Serbia : Engineering Society for Corrosion",
journal = "Zaštita materijala",
title = "Chemical corrosion of metals and alloys, Hemijska korozija metala i legura",
volume = "57",
number = "2",
pages = "205-211",
doi = "10.5937/ZasMat1602205J"
}

Jegdić, B., Popić, J. P., Bobić, B.,& Stevanović, M.. (2016). Chemical corrosion of metals and alloys. in Zaštita materijala
Belgrade, Serbia : Engineering Society for Corrosion., 57(2), 205-211.
https://doi.org/10.5937/ZasMat1602205J

Jegdić B, Popić JP, Bobić B, Stevanović M. Chemical corrosion of metals and alloys. in Zaštita materijala. 2016;57(2):205-211.
doi:10.5937/ZasMat1602205J .

Jegdić, Bore, Popić, Jovan P., Bobić, Biljana, Stevanović, Maja, "Chemical corrosion of metals and alloys" in Zaštita materijala, 57, no. 2 (2016):205-211,
https://doi.org/10.5937/ZasMat1602205J . .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2045
AB  - In this paper, the DL EPR method (electrochemical potentiokinetic reactivation with double loop) was modified and used to study the susceptibility to intergranular corrosion and stress corrosion cracking of a stainless steel type X5CrNi18-10. The tests were performed in a special electrochemical cell, with the electrolyte in the gel form. Modified DL EPR method is characterized by simple and high accuracy measurements as well as repeatability of the test results. The indicator of susceptibility to intergranular corrosion (Qr/Qp) GBA obtained by modified DL EPR method is in a very good agreement with the same indicator obtained by standard DL EPR method. The modified DL EPR method is quantitative and highly selective method. Small differences in the susceptibility of the stainless steel type CrNi18-10 to intergranular corrosion and stress corrosion cracking can be determined. Test results can be obtained in a short time. The cost of tests performed by modified DL EPR method is much lower than the cost of tests by conventional chemical methods. Modified DL EPR method can be applied in the field on the stainless steels constructions.
PB  - Association of Metallurgical Engineers of Serbia
T2  - Metallurgical and Materials Engineering
T1  - Determination of susceptibility to intergranular corrosion of stainless steels type X5CrNi18-10 in field
VL  - 22
IS  - 4
SP  - 251
EP  - 259
DO  - 10.30544/236
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana",
year = "2016",
abstract = "In this paper, the DL EPR method (electrochemical potentiokinetic reactivation with double loop) was modified and used to study the susceptibility to intergranular corrosion and stress corrosion cracking of a stainless steel type X5CrNi18-10. The tests were performed in a special electrochemical cell, with the electrolyte in the gel form. Modified DL EPR method is characterized by simple and high accuracy measurements as well as repeatability of the test results. The indicator of susceptibility to intergranular corrosion (Qr/Qp) GBA obtained by modified DL EPR method is in a very good agreement with the same indicator obtained by standard DL EPR method. The modified DL EPR method is quantitative and highly selective method. Small differences in the susceptibility of the stainless steel type CrNi18-10 to intergranular corrosion and stress corrosion cracking can be determined. Test results can be obtained in a short time. The cost of tests performed by modified DL EPR method is much lower than the cost of tests by conventional chemical methods. Modified DL EPR method can be applied in the field on the stainless steels constructions.",
publisher = "Association of Metallurgical Engineers of Serbia",
journal = "Metallurgical and Materials Engineering",
title = "Determination of susceptibility to intergranular corrosion of stainless steels type X5CrNi18-10 in field",
volume = "22",
number = "4",
pages = "251-259",
doi = "10.30544/236"
}

Jegdić, B.,& Bobić, B.. (2016). Determination of susceptibility to intergranular corrosion of stainless steels type X5CrNi18-10 in field. in Metallurgical and Materials Engineering
Association of Metallurgical Engineers of Serbia., 22(4), 251-259.
https://doi.org/10.30544/236

Jegdić B, Bobić B. Determination of susceptibility to intergranular corrosion of stainless steels type X5CrNi18-10 in field. in Metallurgical and Materials Engineering. 2016;22(4):251-259.
doi:10.30544/236 .

Jegdić, Bore, Bobić, Biljana, "Determination of susceptibility to intergranular corrosion of stainless steels type X5CrNi18-10 in field" in Metallurgical and Materials Engineering, 22, no. 4 (2016):251-259,
https://doi.org/10.30544/236 . .

TY  - JOUR
AU  - Bobić, Biljana
AU  - Jegdić, Bore
AU  - Jugović, Branimir
AU  - Stevanović, Jasmina
AU  - Gligorijević, Bojan
AU  - Murariu, Alin
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/15962
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3151
AB  - Causes of failure of brass condenser tubes (CuZn28Sn1) in a thermal power plant in Serbia are analysed. Results of testing by Fourier transformed infrared spectroscopy (FTIR) have indicated the presence of ammonia and nitro- gen compounds on fracture surfaces and on the inner surface of the tubes. These compounds are specific agents that cause stress corrosion cracking (SCC) in brass. Analy- sis of fracture surfaces using scanning electron microscopy (SEM) has shown the brittle transgranular fracture due to the occurrence of SCC. The resistance of brass condenser tubes to other types of corrosion, such as erosion, general and selective corrosion (dezincification) is also considered. Some procedures are proposed to reduce the risk of SCC in the brass condenser tubes.
AB  - Analizirani su uzroci pojave loma kondenzatorskih cevi od mesinga CuZn28Sn1 u jednoj termoelektrani u Srbiji. Rezultati ispitivanja metodom Furijeove transformisane infracrvene spektroskopije (FTIR) ukazuju na prisustvo amonijačnih i azotnih jedinjenja na površini loma i na unutrašnjoj površini cevi. Ta jedinjenja su specifični agensi za pojavu naponske korozije mesinga. Analiza površine loma primenom skening elektronske mikroskopije (SEM) pokazala je prisustvo krtog transkistalnog loma nastalog usled pojave naponske korozije. Razmatrana je otpornost cevi od mesinga CuZn28Sn1 prema drugim vidovima koro- zije, kao što su eroziona, opšta i selektivna korozija (decin- kacija). Predloženi su postupci za smanjenje rizika od pojave naponske korozije u kondenzatorskim cevima.
PB  - Belgrade Society for Structural Integrity and Life; IMS Institute
T2  - Structural Integrity and Life
T1  - Failures of Brass Condenser Tubes
T1  - Lomovi kondenzatorskih cevi od mesinga
VL  - 16
IS  - 1
SP  - 19
EP  - 23
UR  - https://hdl.handle.net/21.15107/rcub_dais_15962
ER  - 

@article{
author = "Bobić, Biljana and Jegdić, Bore and Jugović, Branimir and Stevanović, Jasmina and Gligorijević, Bojan and Murariu, Alin",
year = "2016",
abstract = "Causes of failure of brass condenser tubes (CuZn28Sn1) in a thermal power plant in Serbia are analysed. Results of testing by Fourier transformed infrared spectroscopy (FTIR) have indicated the presence of ammonia and nitro- gen compounds on fracture surfaces and on the inner surface of the tubes. These compounds are specific agents that cause stress corrosion cracking (SCC) in brass. Analy- sis of fracture surfaces using scanning electron microscopy (SEM) has shown the brittle transgranular fracture due to the occurrence of SCC. The resistance of brass condenser tubes to other types of corrosion, such as erosion, general and selective corrosion (dezincification) is also considered. Some procedures are proposed to reduce the risk of SCC in the brass condenser tubes., Analizirani su uzroci pojave loma kondenzatorskih cevi od mesinga CuZn28Sn1 u jednoj termoelektrani u Srbiji. Rezultati ispitivanja metodom Furijeove transformisane infracrvene spektroskopije (FTIR) ukazuju na prisustvo amonijačnih i azotnih jedinjenja na površini loma i na unutrašnjoj površini cevi. Ta jedinjenja su specifični agensi za pojavu naponske korozije mesinga. Analiza površine loma primenom skening elektronske mikroskopije (SEM) pokazala je prisustvo krtog transkistalnog loma nastalog usled pojave naponske korozije. Razmatrana je otpornost cevi od mesinga CuZn28Sn1 prema drugim vidovima koro- zije, kao što su eroziona, opšta i selektivna korozija (decin- kacija). Predloženi su postupci za smanjenje rizika od pojave naponske korozije u kondenzatorskim cevima.",
publisher = "Belgrade Society for Structural Integrity and Life; IMS Institute",
journal = "Structural Integrity and Life",
title = "Failures of Brass Condenser Tubes, Lomovi kondenzatorskih cevi od mesinga",
volume = "16",
number = "1",
pages = "19-23",
url = "https://hdl.handle.net/21.15107/rcub_dais_15962"
}

Bobić, B., Jegdić, B., Jugović, B., Stevanović, J., Gligorijević, B.,& Murariu, A.. (2016). Failures of Brass Condenser Tubes. in Structural Integrity and Life
Belgrade Society for Structural Integrity and Life; IMS Institute., 16(1), 19-23.
https://hdl.handle.net/21.15107/rcub_dais_15962

Bobić B, Jegdić B, Jugović B, Stevanović J, Gligorijević B, Murariu A. Failures of Brass Condenser Tubes. in Structural Integrity and Life. 2016;16(1):19-23.
https://hdl.handle.net/21.15107/rcub_dais_15962 .

Bobić, Biljana, Jegdić, Bore, Jugović, Branimir, Stevanović, Jasmina, Gligorijević, Bojan, Murariu, Alin, "Failures of Brass Condenser Tubes" in Structural Integrity and Life, 16, no. 1 (2016):19-23,
https://hdl.handle.net/21.15107/rcub_dais_15962 .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Bobić, Biljana
AU  - Stevanović, Jasmina
AU  - Alić, Behar
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3651
AB  - Determination of the susceptibility of austenitic stainless steel X5CrNi18-10 to intergranular corrosion (IGC) is performed by measuring the corrosion potential Ecorr in a drop of a test solution with specific chemical composition. It has been shown that a good correlation exists between the results obtained by Ecorr measurements in a drop of the test solution and the results obtained by the double loop electrochemical potentiokinetic reactivation method (DL EPR). The results are confirmed by SEM analysis of the stainless steel surface after the IGC test. The method of Ecorr measurements is a simple non-destructive method that provides qualitative information on the susceptibility of the stainless steel to IGC. The DL EPR method is a quantitative method that can determine small differences in the susceptibility of stainless steel to IGC. Simple and cheap equipment is required to perform Ecorr measurements. The method is easy to perform on stainless steel structures in the field.
AB  - Određivanje sklonosti austenitnog nerđajućeg čelika X5CrNi18-10 prema interkristalnoj koroziji izvršeno je na osnovu merenja korozionog potencijala Ekor u kapi rastvora definisanog sastava. Pokazano je da postoji dobra saglasnost dobijenih rezultata sa rezultatima ispitivanja interkristalne korozije primenom metode elektrohemijske potenciokinetičke reaktivacije sa povratnom petljom (DL EPR). Dobijeni rezultati su potvrđeni SEM analizom površine čelika posle ispitivanja interkristalne korozije navedenim metodama. Metoda merenja Ekor u kapi rastvora je jednostavna, nerazarajuća metoda koja daje kvalitativne podatke o sklonosti čelika prema interkristalnoj koroziji, dok je DL EPR metoda kvantitativna, kojom se mogu odrediti male razlike u sklonosti nerđajućih čelika prema interkristalnoj koroziji. Za izvođenje ispitivanja metodom merenja Ekor u kapi rastvora potrebna je znatno jeftinija i jednostavnija oprema. Ova metoda se lako izvodi na gotovim konstrukcijama, na terenu.
PB  - Society for Structural Integrity and Life
T2  - Structural Integrity and Life
T2  - Structural Integrity and LifeStructural Integr. Vek Konstr.
T1  - Field applicable methods for intergranular corrosion testing of stainless steels structures
T1  - Metode ispitivanja interkristalne korozije na konstrukcijama od nerđajućh čelika na terenu
VL  - 16
IS  - 2
SP  - 87
EP  - 93
UR  - https://hdl.handle.net/21.15107/rcub_cer_3651
ER  - 

@article{
author = "Jegdić, Bore and Bobić, Biljana and Stevanović, Jasmina and Alić, Behar",
year = "2016",
abstract = "Determination of the susceptibility of austenitic stainless steel X5CrNi18-10 to intergranular corrosion (IGC) is performed by measuring the corrosion potential Ecorr in a drop of a test solution with specific chemical composition. It has been shown that a good correlation exists between the results obtained by Ecorr measurements in a drop of the test solution and the results obtained by the double loop electrochemical potentiokinetic reactivation method (DL EPR). The results are confirmed by SEM analysis of the stainless steel surface after the IGC test. The method of Ecorr measurements is a simple non-destructive method that provides qualitative information on the susceptibility of the stainless steel to IGC. The DL EPR method is a quantitative method that can determine small differences in the susceptibility of stainless steel to IGC. Simple and cheap equipment is required to perform Ecorr measurements. The method is easy to perform on stainless steel structures in the field., Određivanje sklonosti austenitnog nerđajućeg čelika X5CrNi18-10 prema interkristalnoj koroziji izvršeno je na osnovu merenja korozionog potencijala Ekor u kapi rastvora definisanog sastava. Pokazano je da postoji dobra saglasnost dobijenih rezultata sa rezultatima ispitivanja interkristalne korozije primenom metode elektrohemijske potenciokinetičke reaktivacije sa povratnom petljom (DL EPR). Dobijeni rezultati su potvrđeni SEM analizom površine čelika posle ispitivanja interkristalne korozije navedenim metodama. Metoda merenja Ekor u kapi rastvora je jednostavna, nerazarajuća metoda koja daje kvalitativne podatke o sklonosti čelika prema interkristalnoj koroziji, dok je DL EPR metoda kvantitativna, kojom se mogu odrediti male razlike u sklonosti nerđajućih čelika prema interkristalnoj koroziji. Za izvođenje ispitivanja metodom merenja Ekor u kapi rastvora potrebna je znatno jeftinija i jednostavnija oprema. Ova metoda se lako izvodi na gotovim konstrukcijama, na terenu.",
publisher = "Society for Structural Integrity and Life",
journal = "Structural Integrity and Life, Structural Integrity and LifeStructural Integr. Vek Konstr.",
title = "Field applicable methods for intergranular corrosion testing of stainless steels structures, Metode ispitivanja interkristalne korozije na konstrukcijama od nerđajućh čelika na terenu",
volume = "16",
number = "2",
pages = "87-93",
url = "https://hdl.handle.net/21.15107/rcub_cer_3651"
}

Jegdić, B., Bobić, B., Stevanović, J.,& Alić, B.. (2016). Field applicable methods for intergranular corrosion testing of stainless steels structures. in Structural Integrity and Life
Society for Structural Integrity and Life., 16(2), 87-93.
https://hdl.handle.net/21.15107/rcub_cer_3651

Jegdić B, Bobić B, Stevanović J, Alić B. Field applicable methods for intergranular corrosion testing of stainless steels structures. in Structural Integrity and Life. 2016;16(2):87-93.
https://hdl.handle.net/21.15107/rcub_cer_3651 .

Jegdić, Bore, Bobić, Biljana, Stevanović, Jasmina, Alić, Behar, "Field applicable methods for intergranular corrosion testing of stainless steels structures" in Structural Integrity and Life, 16, no. 2 (2016):87-93,
https://hdl.handle.net/21.15107/rcub_cer_3651 .

TY  - JOUR
AU  - Bobić, Biljana
AU  - Bobić, Ilija
AU  - Vencl, Aleksandar
AU  - Babić, Miroslav
AU  - Mitrovic, Slobodan
PY  - 2016
UR  - http://www.tribology.rs/journals/2016/2016-1.html
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3652
AB  - The corrosion behavior of particulate ZA27/SiCp composites in an aerated sodium chloride solution was studied. The composites were synthesized via compocasting with addition of 1, 3 and 5 wt.% SiC particles in the matrix alloy. Composite samples were immersed for 30 days in the 3.5 wt.% NaCl solution open to the atmospheric air. Surface appearance and microstructure of the composites were examined by means of optical microscopy and scanning electron microscopy, while corrosion rates of the composites were determined using the weight loss method. It was revealed that SiC particles were not influenced by corrosion. General uniform corrosion occurred in the composite matrices, mainly in the region of the η phase. Local corrosion was noticed in micro-cracks and near clusters of particulate reinforcements. Results of microstructural examinations and immersion test indicate a slightly lower corrosion resistance of the ZA27/SiCp composites compared to that of the matrix alloy.
PB  - Serbia : University of Kragujevac
T2  - Tribology in Industry
T1  - Corrosion behavior of compocasted ZA27/SiCp composites in sodium chloride solution
VL  - 38
IS  - 1
SP  - 115
EP  - 120
UR  - https://hdl.handle.net/21.15107/rcub_cer_3652
ER  - 

@article{
author = "Bobić, Biljana and Bobić, Ilija and Vencl, Aleksandar and Babić, Miroslav and Mitrovic, Slobodan",
year = "2016",
abstract = "The corrosion behavior of particulate ZA27/SiCp composites in an aerated sodium chloride solution was studied. The composites were synthesized via compocasting with addition of 1, 3 and 5 wt.% SiC particles in the matrix alloy. Composite samples were immersed for 30 days in the 3.5 wt.% NaCl solution open to the atmospheric air. Surface appearance and microstructure of the composites were examined by means of optical microscopy and scanning electron microscopy, while corrosion rates of the composites were determined using the weight loss method. It was revealed that SiC particles were not influenced by corrosion. General uniform corrosion occurred in the composite matrices, mainly in the region of the η phase. Local corrosion was noticed in micro-cracks and near clusters of particulate reinforcements. Results of microstructural examinations and immersion test indicate a slightly lower corrosion resistance of the ZA27/SiCp composites compared to that of the matrix alloy.",
publisher = "Serbia : University of Kragujevac",
journal = "Tribology in Industry",
title = "Corrosion behavior of compocasted ZA27/SiCp composites in sodium chloride solution",
volume = "38",
number = "1",
pages = "115-120",
url = "https://hdl.handle.net/21.15107/rcub_cer_3652"
}

Bobić, B., Bobić, I., Vencl, A., Babić, M.,& Mitrovic, S.. (2016). Corrosion behavior of compocasted ZA27/SiCp composites in sodium chloride solution. in Tribology in Industry
Serbia : University of Kragujevac., 38(1), 115-120.
https://hdl.handle.net/21.15107/rcub_cer_3652

Bobić B, Bobić I, Vencl A, Babić M, Mitrovic S. Corrosion behavior of compocasted ZA27/SiCp composites in sodium chloride solution. in Tribology in Industry. 2016;38(1):115-120.
https://hdl.handle.net/21.15107/rcub_cer_3652 .

Bobić, Biljana, Bobić, Ilija, Vencl, Aleksandar, Babić, Miroslav, Mitrovic, Slobodan, "Corrosion behavior of compocasted ZA27/SiCp composites in sodium chloride solution" in Tribology in Industry, 38, no. 1 (2016):115-120,
https://hdl.handle.net/21.15107/rcub_cer_3652 .

TY  - JOUR
AU  - Bobić, Ilija
AU  - Ružić, Jovana
AU  - Bobić, Biljana
AU  - Babić, Miroslav
AU  - Vencl, Aleksandar
AU  - Mitrovic, Slobodan
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1566
AB  - Hybrid A356/SiCp/Gr(p) composites were produced via compo-casting using the A356 aluminum alloy as the composite matrix, with silicon carbide microparticles (SiCp) and graphite macroparticles (Gr(p)) as reinforcements. The effect of the thixocasting process on the microstructure of a modified A356 alloy (with 0.03 mass% of strontium) was considered. The microstructures of the thixocast A356 alloy and the synthesized composite materials were examined by means of optical microscopy (OM), scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDS) and X-ray diffraction (XRD). The fracture surfaces of the composite matrix and the composites were also analyzed. The thixocast A356 alloy and the composites were subjected to artificial aging after a solution heat treatment. Aging kinetics was followed by hardness measurements. Differential scanning calorimetry (DSC) was applied to reveal the presence of phases formed during artificial aging. The composites reached maximum hardness faster than the thixocast A356 alloy. The time required to attain peak hardness decreases with the increase in the content of particulate reinforcements.
PB  - Elsevier Science Sa, Lausanne
T2  - Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing
T1  - Microstructural characterization and artificial aging of compo-casted hybrid A356/SiCp/Gr(p) composites with graphite macroparticles
VL  - 612
SP  - 7
EP  - 15
DO  - 10.1016/j.msea.2014.06.028
ER  - 

@article{
author = "Bobić, Ilija and Ružić, Jovana and Bobić, Biljana and Babić, Miroslav and Vencl, Aleksandar and Mitrovic, Slobodan",
year = "2014",
abstract = "Hybrid A356/SiCp/Gr(p) composites were produced via compo-casting using the A356 aluminum alloy as the composite matrix, with silicon carbide microparticles (SiCp) and graphite macroparticles (Gr(p)) as reinforcements. The effect of the thixocasting process on the microstructure of a modified A356 alloy (with 0.03 mass% of strontium) was considered. The microstructures of the thixocast A356 alloy and the synthesized composite materials were examined by means of optical microscopy (OM), scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDS) and X-ray diffraction (XRD). The fracture surfaces of the composite matrix and the composites were also analyzed. The thixocast A356 alloy and the composites were subjected to artificial aging after a solution heat treatment. Aging kinetics was followed by hardness measurements. Differential scanning calorimetry (DSC) was applied to reveal the presence of phases formed during artificial aging. The composites reached maximum hardness faster than the thixocast A356 alloy. The time required to attain peak hardness decreases with the increase in the content of particulate reinforcements.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing",
title = "Microstructural characterization and artificial aging of compo-casted hybrid A356/SiCp/Gr(p) composites with graphite macroparticles",
volume = "612",
pages = "7-15",
doi = "10.1016/j.msea.2014.06.028"
}

Bobić, I., Ružić, J., Bobić, B., Babić, M., Vencl, A.,& Mitrovic, S.. (2014). Microstructural characterization and artificial aging of compo-casted hybrid A356/SiCp/Gr(p) composites with graphite macroparticles. in Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing
Elsevier Science Sa, Lausanne., 612, 7-15.
https://doi.org/10.1016/j.msea.2014.06.028

Bobić I, Ružić J, Bobić B, Babić M, Vencl A, Mitrovic S. Microstructural characterization and artificial aging of compo-casted hybrid A356/SiCp/Gr(p) composites with graphite macroparticles. in Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing. 2014;612:7-15.
doi:10.1016/j.msea.2014.06.028 .

Bobić, Ilija, Ružić, Jovana, Bobić, Biljana, Babić, Miroslav, Vencl, Aleksandar, Mitrovic, Slobodan, "Microstructural characterization and artificial aging of compo-casted hybrid A356/SiCp/Gr(p) composites with graphite macroparticles" in Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing, 612 (2014):7-15,
https://doi.org/10.1016/j.msea.2014.06.028 . .

TY  - JOUR
AU  - Vencl, Aleksandar
AU  - Bobić, Ilija
AU  - Vučetić, Filip
AU  - Bobić, Biljana
AU  - Ružić, Jovana
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1399
AB  - The ZA-27 alloy is a zinc-aluminium casting alloy that has been frequently used as the material for sleeves of plain bearings. It has good physical, mechanical and tribological properties. However, one of the major disadvantages is its dimensional instability over a period of time (ageing). To overcome this, copper in the alloy may be replaced with silicon. Coarsening of silicon particles can be controlled by a suitable addition of strontium. In this paper, the commercial ZA-27 alloy and six different Zn25Al alloys (with 1 and 3 wt.% silicon; and with 0, 0.03 and 0.05 wt.% strontium) were obtained by casting in the pre-heated steel mould. Casting of the alloys was carried out at a laboratory level. In the alloys containing silicon, a finer dendritic structure was noticed compared to the structure of the commercial ZA-27 alloy. The addition of strontium influenced the size and distribution of primary silicon particles. Needle-like particles of eutectic silicon were changed into the fibrous ones. The presence of silicon and strontium did not significantly affect mechanical properties of the obtained Zn25Al alloys compared to mechanical properties of the commercial ZA-27 alloy. Wear rate of the alloys containing silicon was lower than that of the ZA-27 alloy. The addition of strontium further lowers the wear rate and slightly increases the coefficient of friction.
PB  - Elsevier Sci Ltd, Oxford
T2  - Materials & Design
T1  - Structural, mechanical and tribological characterization of Zn25Al alloys with Si and Sr addition
VL  - 64
SP  - 381
EP  - 392
DO  - 10.1016/j.matdes.2014.07.056
ER  - 

@article{
author = "Vencl, Aleksandar and Bobić, Ilija and Vučetić, Filip and Bobić, Biljana and Ružić, Jovana",
year = "2014",
abstract = "The ZA-27 alloy is a zinc-aluminium casting alloy that has been frequently used as the material for sleeves of plain bearings. It has good physical, mechanical and tribological properties. However, one of the major disadvantages is its dimensional instability over a period of time (ageing). To overcome this, copper in the alloy may be replaced with silicon. Coarsening of silicon particles can be controlled by a suitable addition of strontium. In this paper, the commercial ZA-27 alloy and six different Zn25Al alloys (with 1 and 3 wt.% silicon; and with 0, 0.03 and 0.05 wt.% strontium) were obtained by casting in the pre-heated steel mould. Casting of the alloys was carried out at a laboratory level. In the alloys containing silicon, a finer dendritic structure was noticed compared to the structure of the commercial ZA-27 alloy. The addition of strontium influenced the size and distribution of primary silicon particles. Needle-like particles of eutectic silicon were changed into the fibrous ones. The presence of silicon and strontium did not significantly affect mechanical properties of the obtained Zn25Al alloys compared to mechanical properties of the commercial ZA-27 alloy. Wear rate of the alloys containing silicon was lower than that of the ZA-27 alloy. The addition of strontium further lowers the wear rate and slightly increases the coefficient of friction.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Materials & Design",
title = "Structural, mechanical and tribological characterization of Zn25Al alloys with Si and Sr addition",
volume = "64",
pages = "381-392",
doi = "10.1016/j.matdes.2014.07.056"
}

Vencl, A., Bobić, I., Vučetić, F., Bobić, B.,& Ružić, J.. (2014). Structural, mechanical and tribological characterization of Zn25Al alloys with Si and Sr addition. in Materials & Design
Elsevier Sci Ltd, Oxford., 64, 381-392.
https://doi.org/10.1016/j.matdes.2014.07.056

Vencl A, Bobić I, Vučetić F, Bobić B, Ružić J. Structural, mechanical and tribological characterization of Zn25Al alloys with Si and Sr addition. in Materials & Design. 2014;64:381-392.
doi:10.1016/j.matdes.2014.07.056 .

Vencl, Aleksandar, Bobić, Ilija, Vučetić, Filip, Bobić, Biljana, Ružić, Jovana, "Structural, mechanical and tribological characterization of Zn25Al alloys with Si and Sr addition" in Materials & Design, 64 (2014):381-392,
https://doi.org/10.1016/j.matdes.2014.07.056 . .