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Now showing items 11-20 of 20
Micromechanical coupled study of crack growth initiation criterion in Pressure vessel steel
(Problemy Prochnosti, 2004)
We present results of the combined design-theoretical investigation of the mechanism of crack growth at the onset of ductile fracture of NPP reactor pressure vessels. Micromechanical approach to the prediction of ductile ...
Characterization of dispersion strengthened copper with 3wt%Al2O3 by mechanical alloying
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2004)
The copper matrix has been dispersion strengthened with 3wt. %Al2O3 by mechanical alloying. Commercial alumina powder with an average particle size of 0.751 mum was used for alloying. The mechanical alloying process was ...
Sanacije i rekonstrukcije rotornih bagera / Repair and reconstruction of bucket wheel excavators
(Institut za ispitivanje materijala, Beograd, 2004)
Izvedene sanacije i rekonstrukcije rotornih bagera su rezultat primene razvijene metodologije dijagnostike čvrstoće konstrukcija; ona podrazumeva proračun kompjuterskim postupkom primenom numeričke metode konačnih elemenata ...
Heat pump supplemental heating system for motor vehicles
(Sage Publications Ltd, London, 2004)
The paper deals with the importance of supplemental heating of motor vehicles and the possibilities of automotive heat pump system utilization. A prototype heat pump system for motor vehicles has been developed, built in ...
Effects of structure characteristics on mechanical properties of aluminum alloy matrix composites
(Trans Tech Publications Ltd, 2004)
Composite materials based on the CW67 alloy (Al base matrix) and volume fraction of 15 pet of SiC particles in two nominal sizes (0.7 μm and 33 μm) have been produced by hot pressing. The fracture behavior of the composite ...
Simulacija pogonskog stanja ložišta energetskog kotla na ugljeni prah / Simulation of the pulverized coal utility boiler furnace operating conditions
(Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd, 2004)
U radu su prikazani rezultati numeričke simulacije odabranih radnih parametara karakterističnih za pogonsko stanje ložišta za sagorevanje ugljenog praha energetskog kotla sa odvođenjem šljake u čvrstom stanju i tangencijalnim ...
Sanacije i rekonstrukcije transportera i odlagača / Repair and reconstruction of belt wagons and stackers
(Institut za ispitivanje materijala, Beograd, 2004)
Izvedene sanacije i rekonstrukcije transportera i odlagača su rezultat primene razvijene metodologije dijagnostike čvrstoće konstrukcija. Ona podrazumeva kompjuterski proračun metodom konačnih elemenata i eksperimentalna ...
Greške zavarivanja kod toplotno postojanih čelika za parovode / Welding flaws of pipeline heat resistant steels
(Visoka tehnička škola strukovnih studija, Beograd, 2004)
U radu je dat prikaz grešaka tipa prslina koje mogu da se jave kod zavarenih spojeva vitalnih komponenti termoenergetskih postrojenja. Posebno su obrađene greške zavarivanja koje se javljaju kod toplotno postojanih Cr-Mo-V ...
The influence of microstructure on ductile fracture initiation in low-alloyed steel
(Trans Tech Publications Ltd, Durnten-Zurich, 2004)
In this paper the quantitative microstructural analysis of low-alloyed pressure vessel steel has been discussed. The values of volume fraction and mean free path of non-metallic inclusions determined in that way were used ...
Optimization of elevator regimes of movement
(China Machine Press, Beijing, 2004)
The paper presents the procedure for determining the optimal regimes of movement of the elevator cabin as a function of input values such as: distance that elevator cabin has to pass, acceleration, velocity and jerk of the ...