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Wear resistance improvement of thermal plant fan mill impact plates based on numerical flow simulation
(Society for Structural Integrity and Life, Institute for Material Testing, 2017)
Numerical simulation of 3D multiphase flow is performed to determine the velocity field in the fan mill. The mixture model of the Euler-Euler approach is used. Recirculating gas is a primary phase that carries granular ...
Methods of decreasing losses in optical metamaterials
(Niš, Srbija : Univerzitet u Nišu, 2018)
In this work we review methods to decrease the optical absorption losses in metamaterials. The practical interest for metamaterials is huge, but the possible applications are severely limited by their high inherent optical ...
Chemical characterisation and antibacterial activity of the essential oil of wild Angelica seeds / Hemijska karakterizacija i antibakterijska aktivnost etarskog ulja semena divlje anđelike
(University of Belgrade, 2018)
The aim of the present study was to clarify the chemical composition of essential oil from seeds of Angelica (Angelica sylvestris) plants growing wild in Serbia. In the essential oil, a total of 27 compounds were detected, ...
Plasmonic enhancement of light trapping in photodetectors
(Univerzitet u Nišu, 2014)
We consider the possibility to use plasmonics to enhance light trapping in such semiconductor detectors as solar cells and infrared detectors for night vision. Plasmonic structures can transform propagating electromagnetic ...
Laser cleaning of the archaeological metal sample from the Danube / Istraživanje mogućnosti primene lasera u čišćenju arheoloških metalnih predmeta
(Belgrade, Serbia : Engineering Society for Corrosion, 2018)
The paper presents the results of laser cleaning of corrosive and other deposits on a metal archaeological artefact from the Danube. Nd: YAG laser, energy up to 750 mJ and wavelengths λ = 1064 nm and 532 nm is used. The ...
Modified tannins for alkyd based anticorrosive coatings / Primena modifikovanih tanina u antikorozionim alkidnim premazima
(Belgrade : Engineering Society for Corrosion, 2019)
The study of the synthesis of anticorrosive inhibitors, based on chemically modified tannins, and
their use in alkyd based coatings to improve anticorrosive properties is presented in this work.
Two methods of tannin ...
Corrosion properties of an aluminium alloy 7000 series after a new two step precipitation hardening / Otpornost prema koroziji aluminijumske legure serije 7000 posle novog dvostepenog termičkog taloženja
(Belgrade, Serbia : Engineering Society for Corrosion, 2014)
Corrosion properties of an aluminium alloy 7000 series were investigated by different electrochemical methods. The alloy was subjected to the one-step and to a new two-step precipitation hardening. Polarization measurements ...
Testing the protective ability of corrosion inhibitors in dilute chloride solutions / Ispitivanje zaštitne sposobnosti inhibitora korozije u razblaženim rastvorima hlorida
(Belgrade, Serbia : Engineering Society for Corrosion, 2017)
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. ...
Mechanisms of hydrogen evolution on chromium / Mehanizmi izdvajanja vodonika na hromu
(Institut za rudarstvo i metalurgiju Bor, 2015)
In this work, the mechanisms of hydrogen evolution on the metal chromium in a solution of 0.1 M Na2SO4 + H2SO4, pH 1 to pH 7 were analysed. In the pH LT 3 range, hydrogen is evolved according to three different mechanisms, ...
Determination of the weld metal corrosion rate using electrochemical techniques / Određivanje brzine korozije metala šava u zavarenom spoju pomoću elektrohemijskih tehnika
(Belgrade, Serbia : Engineering Society for Corrosion, 2015)
To determine corrosion rate of the base metal and weld metal were applied electrochemical techniques: linear polarization resistance, linear sweep voltammetry and electrochemical impedance spectroscopy. The samples were ...