Behaviour of coarse grain heat affected zone (HAZ) during cycle loading (CROSBI ID 183932)
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Podaci o odgovornosti
Vuherer, Tomaž ; Maruschak, P. ; Samardžić, Ivan
engleski
Behaviour of coarse grain heat affected zone (HAZ) during cycle loading
This paper presents results of a study on martensitic coarse grain heat aff ected zone that can appear in welded joints. Mechanical properties of martensitic coarse grain heat aff ected zone and its microstructure were investigated. Special attention was given to its behaviour during the cycle loading under stress concentration. Stress concentration was similar to the one in real welds. The S-N curve and the fatigue limit were determined. The Paris curve and the threshold for crack propagating were also determined.
Weld; coarse grain HAZ; microstructure; mechanical properties; fatigue limit; Paris curve
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