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Now showing items 11-20 of 103
Crack initiation and propagation resistance of hsla steel welded joint constituents
(Institut za ispitivanje materijala, Beograd, 2020)
The welded joint is heterogeneous in its microstructure, mechanical and geometrical properties, thus the stress field is affected by different factors as well as by residual stress. Therefore, special procedures are needed ...
Corrosion behaviour of AA2024 aluminium alloy in different tempers in NaCl solution and with the CeCl3 corrosion inhibitor
(Wiley-V C H Verlag Gmbh, Weinheim, 2020)
The paper analyses the corrosion behaviour of naturally and artificially aged AA2024 alloy in NaCl solution and in the presence of an environment-friendly corrosion inhibitor, CeCl3. On the basis of the values of polarisation ...
Stress intensity factors numerical calculations for two penny shaped cracks in the elastic solid
(Pergamon-Elsevier Science Ltd, Oxford, 2020)
In the face of enormous costs of developing new aircraft, high fuel prices, increasingly demanding environmental standards, harsh economic race and the fight against competing manufacturers, today's aviation is adapting ...
Engineering critical assessment of steel shell structure elements welded joints under high cycle fatigue
(Pergamon-Elsevier Science Ltd, Oxford, 2020)
Existing flaws in critical parts of structural elements may lead to failures of subassemblies and, in case of lack of redundancy, even to the entire structure collapse. Considering the case of cyclic loading - wind load ...
Rules of Risk Management - Case Study of Open Pit Mine
(Elsevier, Amsterdam, 2020)
The issue of human factor risk and rules and regulations in open pit mine is a main focus of this paper in order to develop predictive models of behavior of workers in relation to compliance with the procedures and rules. ...
Crack propagation in 3PB specimen made from welded joint
(Elsevier, Amsterdam, 2020)
Crack propagation in 3PB specimen has been investigated experimentally by using Digital Image Correlation (DIC) technique. For this purpose, specimens were taken from butt welded plates, made of P460NL1 micro-alloyed steel. ...
Fatigue life assessment of the structure with widespread damage exposed to high temperature
(Elsevier Science Bv, Amsterdam, 2020)
The exhaust nozzle represents a part of a jet engine which is crucial to its overall performance, since it accelerates the flow of hot gases out of the engine and creates a thrust. During its long service, it is exposed ...
Material Effects on Risk Assessment of Residual Life of Oil Drilling Rig Pipe
(Elsevier, Amsterdam, 2020)
Fracture mechanics parameters are used for numerical and analytical risk assessment of residual life of a cracked oil drilling rig welded pipe. Number of cycles to the critical crack length, obtained by direct integration ...
Karakteristike procesa sagorevanja nekih vrsta biogoriva u dizel motoru / Combustion characteristics of several types of biofuel in a diesel engine
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2020)
Interesovanje za alternativna goriva koja bi se koristila za pogon motora sus je veoma veliko u čitavom svetu. Zato se istraživanja vezana za ovu problematiku vrše u mnogim vodećim svetskim laboratorijama za motore. Razlog ...
Ekonomska opravdanost kabina kranova opremljenih računarskim sistemom vizuelnog navođenja u realnom vremenu / The economic feasibility of crane cabins with real-time computer-aided visual guidance system
(Univerzitet u Beogradu - Tehnički fakultet u Boru, Beograd, 2020)
Brojna istraživanja u oblasti nesreća u kojima učestvuju dizalice ukazuju na činjenice da je rad rukovaoca/kraniste posao visokog rizika i da je uzrok nesreća i nezgoda najčešće ljudski faktor. Shodno tome, inovacije na ...