Pretraživanje
Prikaz rezultata 1-10 od 42
Experimental examination of fatigue life of welded joint with stress concentration
(Gruppo Italiano Frattura, 2016)
This paper presents results of experimental examinations of stress concentration influence to fatigue life of butt welded joints with K-groove, produced from the most frequently used structural steel S355J2+N. One group ...
Integrity and life estimation of turbine runner cover in a hydro power plant
(Gruppo Italiano Frattura, 2016)
This paper presents integrity and life estimation of turbine runner cover in a vertical pipe turbines, Kaplan 200 MW nominal output power, produced in Russia, and built in six hydro-generation units of hydroelectric power ...
Effect of locally damaged elbow segments on the integrity and reliability of the heating system
(Institut za ispitivanje materijala, Beograd, 2016)
This paper presents the integrity and reliability evaluation of the heating system as a whole, based on results of metallographic tests performed on parent material and the ultrasonic measurement of wall thickness of elbows ...
Need to Improve the Natural Aggregate Resources Supply in the City of Belgrade (Serbia)
(Berg Fac Technical Univ Kosice, Kosice, 2016)
The City of Belgrade is the largest market for aggregates in Serbia but the production of natural aggregates is rather small, around five percent of total consumption. This reflects the geology of the City of Belgrade ...
Cavitation damages morphology of high-strength low-alloy steel
(Faculty of Metallurgy, 2016)
This paper presents the research into behaviour of HSLA steel affected by cavitation. The parent material (PM) and simulated heat-affected zone (SHAZ) were studied. Ultrasonic vibratory cavitation test was performed in ...
Uticaj termički i mehanohemijski aktivirane kaolinske gline na mehanička svojstva i strukturu cementnih kompozita / Effect of thermal and mechanochemical activated kaolin clay onthe mechanical properties and structure of the cement basedcomposites
(Универзитет у Новом Саду, Факултет техничких наука, 2016)
Predmet ovog istraživanja je razvoj nove generacije mineralnih dodataka, dobijenih termičkom i mehanohemijskom aktivacijom kaolinske gline i ispitivanje svojstava kompozita, u kojima je deo portland cementa zamenjen dobijenim ...
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. ...
Optimization of drying through analytical modeling: clays as bonding agents in refractory materials
(Elsevier Sci Ltd, Oxford, 2016)
The objective of this study was to investigate the clay drying as a unit operation in the refractory materials processing. Two clays that varied in chemical and mineralogical compositions were experimentally tested in a ...
Durability of concrete with different types of cement
(Procema SA, 2016)
Adequate measures must be taken during the determination of the concrete composition for ensuring the durability of concrete exposed to an aggressive environment. The influence of the cement type on the freeze/thaw resistance ...
Geomehanička svojstva erodibilnog i disperzivnog finozrnog tla / Geomechanical properties of erodible and dispersive fine-grained soils
(Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2016)
Disperzivna tla su posebna vrsta finozrnog tla, kod kojih usled njihovog hemijskog i mineraloškog sastava, kao i prirode fluida koji ispunjava porni prostor, dolazi do slabljenja strukturnih veza i odvajanja pojedinih ...