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Prikaz rezultata 161-170 od 173
Characterization of vacuum plasma spray NiCoCrAlY coating resistant to high temperature oxidation / Karakterizacija vakuum plazma sprej prevlake NiCoCrAlY otporne na visokotemperaturnu oksidaciju
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
Protective vacuum plasma spray VPS - NiCoCrAlY coating is used on sections of gas turbines to allow for longer and more reliable operation of sections exposed to aggressive effects of high temperature oxidation. Depositing ...
Experimental laboratory for development of fillers and auxiliary materials for welding and soldering / Eksperimentalna laboratorija za razvoj dodatnih i pomoćnih materijala za zavarivanje i lemljenje
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2013)
The development of new materials and their use in construction of modern devices and structures requires the development of fillers and auxiliary materials for their joining. Development and mastering of production of ...
Functionalization of PLA Aerogels with TiO2 Nanoparticles / Funkcionalizacija PLA aerogelova pomoću TiO2 nanočestica
(Savez inženjera i tehničara Srbije, 2021)
This study was aimed to prepare material with high porosity and photocatalytic activity by immobilization of TiO2 nanoparticles (NPs) onto poly(lactic acid) (PLA) aerogels. PLA aerogels were prepared in three steps: (1) ...
Investigations of the possibilities of stillage utilization from the bioethanol production on corn / Ispitivanje mogućnosti korišćenja džibre iz proizvodnje bioetanola iz kukuruza
(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2010)
Bioethanol produced by fermentation of biomass, such as sugar, starch, or lignocellulosic materials, is one of the most important renewable energy resources. An average thin stillage amount produced in the bioethanol process ...
Chemical composition of seed oil from red grape varieties obtained by supercritical CO2 extraction / Hemijski sastav ulja semenki crvenih sorti grožđa izolovanih natkritičnom CO2 ekstrakcijom
(University of Niš, Serbia, 2021)
This study aimed to investigate the potential of the most abundant red grape variety from the central part of Serbia (the region of three Morava rivers) for grape oil manufacturing, using supercritical CO2 extraction. The ...
Characterization of plasma spray bioinert coating Al2O328wt.%MgO / Karakterizacija plazma sprej bioinertne prevlake Al2O328tež.%MgO
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
This paper presents the results of testing mechanical and structural characteristics of plasma spray coating Al2O328wt.%MgO. Metal oxide MgO in a complex oxide Al2O328wt.%MgO modifies the properties of Al2O3 ceramics by ...
Change of temperature and vertical force during friction stir welding / Promena temperature i vertikalne sile tokom procesa zavarivanja trenjem mešanjem
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2013)
The aim of this paper is to analyze changes of vertical force and temperature during friction stir welding process of high strength aluminum alloys (2024 T3). FSW process is a complex nonlinear process accompanied by large ...
Immobilization of heavy metal ions Zn2+, Ni2+, Pb2+ and Cu2+ in the structure of cement-based materials / Imobilizacija teških metalnih jona Zn2+, Ni2+, Pb2+ i Cu2+ u strukturi materijala na bazi cementa
(Engineering Society for Corrosion, Belgrade, Serbia, 2020)
Natural zeolite and bentonite were utilized as mineral additives in the mix-design of environmentally safe cement-based building materials. The adsorptive abilities of these two clayey raw materials, i.e. their affinity ...
The mechanical and microstructural properties of VPS-Ti porous coating deposited on titanium alloy substrates for osseointegration / Mehanička i mikrostrukturna svojstva VPS-Ti porozne prevlake deponovane na podlogama od legure titana za osteointegraciju
(Engineering Society for Corrosion, Belgrade, Serbia, 2020)
The topography of the surface of the deposited VPS-Ti coatings on substrate surfaces of implants relating to the roughness and porous structure plays a decisive role in the process of on growth of the implants to the bones ...
Synthesis and properties of nano-hydroxyapatite/poly (methacrylic acid) composite hydrogels / Uticaj neutralizacije na svojstva poroznih hidrogelova na bazi hidroksiapatita i poli(metakrilne kiseline) sintetisanih slobodno-radikalskom polimerizacijom
(Savez inženjera i tehničara Srbije, Beograd, 2018)
Goals. The goal of this study was a development of biocompatible composite hydrogels, structurally similar to native bone tissue, by incorporation of ~60 wt % of calcium hydroxyapatite (HA) into a matrix of hydrogels. Also, ...