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Prikaz rezultata 81-90 od 863
Poređenje svojstava određenih nedestruktivnim metodama na betonima na bazi korunda sa i bez dodatka elektrofilterskog pepela / Comparison of properties of corundum based concretes with and without addition of fly ash determined by means of non-destructive methods
(Savez inženjera i tehničara Srbije, Beograd, 2012)
Analiza i određivanje svojstava betona u ovom radu izvršeni su pomoću nedestruktivnih metoda: metode brzine ultrazvuka i metode analize slike. Cilj istraživanja je bio da se utvrdi veza između procesa sinterovanja i konačnih ...
The effect of shielding gas on the toughness of ALMg4.5Mn weld metals made by GMAW
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2011)
The effect of MIG/MAG shielding gas on the toughness of aluminium alloy AlMg4.5Mn weld metal has been analysed using the instrumented Charpy pendulum for standard toughness testing. The MIG/MAG welding was performed in the ...
Assessment of the effectiveness of producing mineral fillers via pulverization for ceramic coating materials
(Wiley, 2019)
The effectiveness of employment of mechano-chemical activation in the production of high temperature ceramic coating materials was assessed. The properties of mineral fillers are directly dependant on the choice of activation ...
Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics
(Elsevier Ltd, 2022)
Geopolymerization was investigated as an alternative to traditional ceramic products by developing a more sustainable approach that avoids thermal treatment. The study presents the first known alkali-activation of the raw ...
Discrete element model of particle transport and premixing action in modified screw conveyors
(Elsevier Science Bv, Amsterdam, 2018)
In this paper, five types of horizontal single-pitch screw conveyors with modified geometry, with three different lengths (400, 600 and 800 mm) were investigated for transport and auxiliary mixing action of two materials: ...
Effects of mechanical and thermal activation on pozzolanic activity of kaolin containing mica
(Elsevier Science Bv, Amsterdam, 2016)
Kaolin from a Serbian deposit, characterized by high content of impurities, such as mica and quartz, disordered kaolinite and high specific surface area, was subjected to thermal and mechanical activation on a large scale. ...
Mehanizmi i morfologije kavitacionog oštećenja čelika Nionikral 70 / Mechanisms and morphologies of cavitation damage of NN 70 steel
(Inženjersko društvo za koroziju, Beograd, 2021)
Polomljene epruvete za ispitivanje niskocikličnim zamorom čelika Nionikral 70 (NN-70) osnovnog materijala (OM) i simulirane zone pod uticajem toplote (SZUT) poslužile su NAM za izradu uzoraka za ispitivanje otpornosti na ...
Effect of changes in matric suction on slope stability in natural unsaturated soil
(ICE Publishing, 2015)
Stability analyses were performed for a real engineering-geological cross-section of unsaturated Quaternary silt sediments. Unsaturated shear strength is a function of the two stress variables: net normal stress and matric ...
A Kinetic Study of Micronization Grinding of Dry Mica in a Planetary Ball Mill
(Hindawi Ltd, London, 2013)
This paper presents results of the research of micronization grinding of dry mica in a planetary ball mill. Investigation was conducted in order to improve the quality and to obtain clearly defined properties and characteristics ...
Experimental and numerical investigations of the critical values of J-integral for the steel of steam pipelines
(Elsevier Science Bv, Amsterdam, 2018)
Steel grade 14MoV6-3 is a low-carbon microalloyed steel with addition of chromium and molybdenum. This grade is designed mainly for power industry applications, withstanding operating at elevated temperatures.In this paper, ...