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Effect of boric acid on the porosity of clay and diatomite monoliths

Authorized Users Only
2016
Authors
Kokunešoski, Maja
Šaponjić, Aleksandra
Stanković, Miroslav
Majstorovic, Jelena
Egelja, Adela
Ilić, Svetlana
Matović, Branko
Article (Published version)
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Abstract
Porous silica ceramics were obtained at low forming pressure (40-80 MPa) and low sintering temperature (850-1300 degrees C) for 4 h in air. Boric acid was used as a low-cost additive, in the amount of 2 wt%. Relatively high porosities of nearly 40% and 65% are obtained for the samples of clay and diatomite pressed at 40 MPa, and sintered at 1000 degrees C, respectively. The samples sintered at 1150 degrees C and 1300 degrees C have the average pore size diameters in the range of macroporous for clay 0.2-10 m and for diatomite 0.2-5 m. X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and mercury porosimetry measurements were employed to characterize of the obtained samples. Measurements of densities and open porosities by immersion technique were used, according to the Archimedes principle. The relations between mechanical characteristics of the samples formed by using different pressures and sintered at different temperature, were discussed.
Keywords:
Sintering / Porosity / Clays / Diatomite / Boric acid
Source:
Ceramics International, 2016, 42, 5, 6383-6390
Publisher:
  • Elsevier Sci Ltd, Oxford
Funding / projects:
  • Synthesis, processing and characterization of nanostructured materials for application in the field of energy, mechanical engineering, environmental protection and biomedicine (RS-45012)

DOI: 10.1016/j.ceramint.2016.01.034

ISSN: 0272-8842

WoS: 000370884500094

Scopus: 2-s2.0-84955316901
[ Google Scholar ]
11
8
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1961
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Kokunešoski, Maja
AU  - Šaponjić, Aleksandra
AU  - Stanković, Miroslav
AU  - Majstorovic, Jelena
AU  - Egelja, Adela
AU  - Ilić, Svetlana
AU  - Matović, Branko
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1961
AB  - Porous silica ceramics were obtained at low forming pressure (40-80 MPa) and low sintering temperature (850-1300 degrees C) for 4 h in air. Boric acid was used as a low-cost additive, in the amount of 2 wt%. Relatively high porosities of nearly 40% and 65% are obtained for the samples of clay and diatomite pressed at 40 MPa, and sintered at 1000 degrees C, respectively. The samples sintered at 1150 degrees C and 1300 degrees C have the average pore size diameters in the range of macroporous for clay 0.2-10 m and for diatomite 0.2-5 m. X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and mercury porosimetry measurements were employed to characterize of the obtained samples. Measurements of densities and open porosities by immersion technique were used, according to the Archimedes principle. The relations between mechanical characteristics of the samples formed by using different pressures and sintered at different temperature, were discussed.
PB  - Elsevier Sci Ltd, Oxford
T2  - Ceramics International
T1  - Effect of boric acid on the porosity of clay and diatomite monoliths
VL  - 42
IS  - 5
SP  - 6383
EP  - 6390
DO  - 10.1016/j.ceramint.2016.01.034
ER  - 
@article{
author = "Kokunešoski, Maja and Šaponjić, Aleksandra and Stanković, Miroslav and Majstorovic, Jelena and Egelja, Adela and Ilić, Svetlana and Matović, Branko",
year = "2016",
abstract = "Porous silica ceramics were obtained at low forming pressure (40-80 MPa) and low sintering temperature (850-1300 degrees C) for 4 h in air. Boric acid was used as a low-cost additive, in the amount of 2 wt%. Relatively high porosities of nearly 40% and 65% are obtained for the samples of clay and diatomite pressed at 40 MPa, and sintered at 1000 degrees C, respectively. The samples sintered at 1150 degrees C and 1300 degrees C have the average pore size diameters in the range of macroporous for clay 0.2-10 m and for diatomite 0.2-5 m. X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and mercury porosimetry measurements were employed to characterize of the obtained samples. Measurements of densities and open porosities by immersion technique were used, according to the Archimedes principle. The relations between mechanical characteristics of the samples formed by using different pressures and sintered at different temperature, were discussed.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Ceramics International",
title = "Effect of boric acid on the porosity of clay and diatomite monoliths",
volume = "42",
number = "5",
pages = "6383-6390",
doi = "10.1016/j.ceramint.2016.01.034"
}
Kokunešoski, M., Šaponjić, A., Stanković, M., Majstorovic, J., Egelja, A., Ilić, S.,& Matović, B.. (2016). Effect of boric acid on the porosity of clay and diatomite monoliths. in Ceramics International
Elsevier Sci Ltd, Oxford., 42(5), 6383-6390.
https://doi.org/10.1016/j.ceramint.2016.01.034
Kokunešoski M, Šaponjić A, Stanković M, Majstorovic J, Egelja A, Ilić S, Matović B. Effect of boric acid on the porosity of clay and diatomite monoliths. in Ceramics International. 2016;42(5):6383-6390.
doi:10.1016/j.ceramint.2016.01.034 .
Kokunešoski, Maja, Šaponjić, Aleksandra, Stanković, Miroslav, Majstorovic, Jelena, Egelja, Adela, Ilić, Svetlana, Matović, Branko, "Effect of boric acid on the porosity of clay and diatomite monoliths" in Ceramics International, 42, no. 5 (2016):6383-6390,
https://doi.org/10.1016/j.ceramint.2016.01.034 . .

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