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Št. zadetkov: 2
Modelling of fatigue microfracture in porous sintered steel using a phase-field method
Zoran Tomić, Tomislav Jarak, Tomislav Lesičar, Nenad Gubeljak, Zdenko Tonković
Izvirni znanstveni članek
Oznake: sintrano jeklo;mikrorazpoke;utrujanje;metoda faznega polja;poroznost;sintered steel;microcracks;fatigue;phase-field method;porosity;
Porosity in sintered materials negatively affects its fatigue properties. In investigating its influence, the application of numerical simulations reduces experimental testing, but they are computationally very expensive. In this work, the application of a relatively simple numerical phase-field (PF ...
Leto: 2023 Vir: Fakulteta za strojništvo (UM FS)
Numerical simulation and experimental measurement of residual stresses in a thick-walled buried-arc welded pipe structure
Mato Perić, Ivica Garašić, Nenad Gubeljak, Zdenko Tonković, Sandro Nižetić, Krešimir Osman
Izvirni znanstveni članek
Oznake: obločno varjenje;cevi z debelimi stenami;varjenje z enim prehodom;rentgenska difrakcija;podmodeliranje;MAG varjenje;buried-arc welding;thick-walled pipe;single-pass welding;X-ray diffraction;submodeling;MAG welding;
In this study, a numerical simulation of a single pass welding of two thick-walled pipes with the buried-arc method was performed in order to determine the residual stresses caused by welding. The numerical simulation procedure in the thermal analysis was performed by the element birth and death ...
Leto: 2022 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 2
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