Multi-axial creep-fatigue analysis of a cracked groove structure subjected to cyclic thermal loading

Shifang Wu,Ming Kang,Zhenwei Cai,Weizhe Wang

Engineering Failure Analysis（2022）

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摘要

•A CDM-based viscoplastic model is proposed for the simulation of damage mechanics.•Damage evolution of an in-service like cracked groove is investigated under cyclic TMF.•Existence of crack at the groove changes the stress–strain behavior and damage distribution.

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关键词

Multi-axial creep and fatigue,Cracked groove structure,Crack geometrical constraint,Cyclic thermal loading

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