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Št. zadetkov: 3
Influence of microdefect on fatigue properties in weld fine grain heat affected zone on nickel molybdenum alloy steel
Fidan Smaili, Tomaž Vuherer
Doktorska disertacija
Oznake: weld joint;Fine Grain Heat Affected Zone;mechanical properties;fatigue crack growth;
This research presents two possibilities to prepare and test the Fine Grain of a Heat Affected Zone, which, practically, could be considered as the weakest part of welded joints in the presence of any microdefect. It is a narrow zone located between the fusion zone and the unaffected base material; ...
Leto: 2023 Vir: Fakulteta za strojništvo (UM FS)
Simulation and mechanical properties of fine-grained heat-affected zone microstructure in 18CrNiMo7-6 steel
Tomaž Vuherer, Fidan Smaili, Edvard Bjelajac, Mirza Manjgo, Gorazd Lojen
Izvirni znanstveni članek
Oznake: zvarni spoji;mehanika loma;simulacija mikrostrukture;trdota;udarna žilavost;natezne lastnosti;utrujenostna rast razpoke;jeklo 18CrNiMo7-6;weld joint;fine-grained HAZ;simulation of microstructure;hardness;impact toughness;tensile properties;fatigue crack growth;18CrNiMo7-6 steel;
Heat-affected zones (HAZs) in real welds are usually quite narrow, and consequently most standard mechanical tests are difficult or even impossible. Therefore, simulated microstructures are often used for mechanical tests. However, the most often used weld thermal cycle simulator produces only a few ...
Leto: 2022 Vir: Fakulteta za strojništvo (UM FS)
Experimental study of crack propagation through cladded 316L/S355 steel produced by the hot-roll bonding process
Edvard Bjelajac, Andrej Skumavc, Fidan Smaili, Gorazd Lojen, Jožef Predan, Tomaž Vuherer
Izvirni znanstveni članek
Oznake: bimetalne plošče;spajanje z vročim valjanjem;strižna trdnost;natezna trdnost;udarna žilavost;širjenje razpoke;ti;clad plate;hot-roll bonding;shear strength;tensile strength;impact toughness;crack propagation;
A hot-rolled clad plate made of 316L stainless steel and S355 carbon steel was produced in a real industrial environment via GMAW welding, vacuuming, preheating to 1240 °C, and hot-roll bonding on four stand plate mills in nine passes with reduction rates between 20-6% per pass. The clad plates were ...
Leto: 2023 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 3
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