An insight into the creep-fatigue damage localization in welded joints based on crystal plasticity finite element method

Dewen Zhou,Xiaowei Wang,Chunan Zhang,Tianyu Zhang,Heng Li,Yefeng Chen,Xiancheng Zhang,Jianming Gong,Shantung Tu

International Journal of Fatigue（2023）

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摘要

•Crystal plasticity parameters for HAZ at high temperature were determined.•Simulations of P92 steel welded joint under cyclic loading were conducted.•Fatigue and creep damage distributions in gradient structure were captured.

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关键词

Crystal plasticity finite element, P92 steel welded joint, Fatigue indicator parameter, Damage distribution

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