Претраживање
Приказ резултата 11-20 од 47
Measurement of local deformation fields in dental composites using 3d optical system
(Chemicke Listy, 2011)
Polymerization shrinkage is the single most important local deformation of dental composites that has a substantial effect on the quality of the tooth-restoration interface in clinical conditions. The aim of this study was ...
Surface characterisation of Pb1-XMnXTe alloy by atomic force microscopy and magnetic force mode
(MANEY PUBLISHING, LEEDS, 2011)
In this paper the authors present the results of surface characterisation of a lead telluride alloy conducted by atomic force microscopy and magnetic force microscopy. Relationship between surface morphology, in the range ...
Practical aspects of fail-safe design - calculation of fatigue life of cracked thin-walled structures
(Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek, 2011)
This paper represents fatigue crack growth life prediction in thin-walled structures (plates or shells). There are two analysis results from two different packages of software: NASGRO and FRANC 3D. They are based on Finite ...
Uticaj zaštitnog gasa na žilavost metala šava legure AlMg4.5Mn dobijenog postupkom zavarivanja cirkulacijom / The effect of shielding gas on the toughness of AlMg4.5Mn weld metals made by GMAW
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2011)
Analiziran je uticaj zaštitnog gasa, na žilavost metala šava aluminijumske legure AlMg4.5Mn dobijenog MIG/MAG postupkom zavarivanja. Za merenje žilavosti je korišćeno instrumentirano Šarpijevo klatno sa mogućnošću razdvajanja ...
Numerička simulacija faze uranjanja kod zavarivanja trenjem mešanjem / Numerical simulation of the plunge stage in friction stir welding
(Institut za ispitivanje materijala, Beograd, 2011)
U ovom radu je istražena faza uranjanja alata primenom numeričkog modeliranja. Trodimenzionalni model konačnih elemenata (FEM) faze uranjanja je razvijen primenom softvera ABAQUS radi proučavanja termomehaničkih procesa ...
Risk Analysis by Key-coefficient Assessment - Public Lighting Project Example
(Technics Technologies Education Management, 2011)
Project risks analysis model RAKA (Risk. Analysis by Key-factors Assessment) was created primarily for the purposes of industrial product development in small enterprises which operate in an environment of economic and ...
Inovations, RD Activities, Education of Engineers and Catching-Up Process in Serbia
(Technics Technologies Education Management, 2011)
In this paper, our interest will be focused on the interconnectedness between the know-how, offered by higher education, and the concept of innovation, understood in the broadest technological and social sense, in the catch ...
Potencijal subgeotermalnih vodnih resursa za šire energetsko iskorišćavanje - primer istočne Srbije / Prospects for wider energetic utilization of subgeothermal water resources: Eastern Serbia case study
(Univerzitet u Beogradu - Rudarsko-geološki fakultet, Beograd, 2011)
Intenzivno korišćenje fosilnih goriva širom sveta uzrok je ozbiljnih zagađenja prirode i utiče na globalno zagrevanje. Otuda je jedan od glavnih ciljeva energetske politike evropskih zemalja korišćenje efikasnije 'zelene' ...
Pregled stanja vetroenergetskih tehnologija i tržišta vetroturbina u svetu / Review of the current wind energy technologies and global market
(Institut za istraživanja i projektovanja u privredi, Beograd, 2011)
U radu je dat pregled modernih vetroenergetskih tehnologija i trendova
razvoja tržišta. Ukratko su opisani osnovni principi koverzije energije vetra u električnu energiju sa kratkim osvrtom na moderne konstrukcije podsklopova ...
Numerical analysis of constraint effect on ductile tearing in strength mismatched welded cct specimens using micromechanical approach
(Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek, 2011)
In this paper, constraint effect on ductile fracture initiation and propagation has been studied. Three-dimensional finite element analyses of mismatched welded joints made of high strength steel, have been performed for ...