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Št. zadetkov: 3
Micromechanical analysis of constraint effect on fracture initiation in strength mis-matched welded joints
Miloš Dobrojević, Marko Rakin, Nenad Gubeljak, I. Cvijović, M. Zrilić, N. Krunich, Aleksandar Sedmak
Izvirni znanstveni članek
Oznake: lomna mehanika;duktilni lom;visokotrdnostna nizko legirana jekla;razpoke;nekovinski vključki;rast praznin;mikromehanski model;trdnostno neenaki zvarni spoji;fracture mechanics;ductile fracture;high strength low alloyed steel;cracks;micromechanical model;mismatched welded joints;constraint effect;void growth;
In this paper the micromechanical approach to ductile fracture was applied in a study of constraint effect crack growth initiation in mismatched welded joints. The single edged- notched bend specimens (precrack length ▫$a_o/W=0.32$▫) were experimentally and numerically analysed. The coupled micromec ...
Leto: 2007 Vir: Fakulteta za strojništvo (UM FS)
Friction-stir welding of high-strength aluminium alloys and a numerical simulation of the plunge stage
Milenko A. Perović, Darko Veljić, Marko Rakin, Nenad Radović, Aleksandar Sedmak, Nikola Bajic
Izvirni znanstveni članek
Oznake: friction-stir welding;welding parameters;metallography;mechanical test;numerical simulation;plinge stage;temperature;force;
This paper defines a set of welding parameters for the Friction-Stir Welding (FSW) of two forged panels of the alloy EN AW 7049A in a T652 temper and discusses the plunge stage of FSW using numerical modeling. This multi-component aluminum alloy is characterized by high strength, reduced plasticity ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Characterisation of high-carbon steel surface welded layer
Olivera Popović, Radica Prokić-Cvetković, Aleksandar Sedmak, Vencislav Grabulov, Zijah Burzić, Marko Rakin
Izvirni znanstveni članek
Oznake: jeklo;navarjanje;mikrostruktura;bainit;železniške proge;
Leto: 2010 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 3
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