Multiaxial thermo-mechanical fatigue life prediction based on notch local stress-strain estimation considering temperature change
Engineering Fracture Mechanics（2022）
摘要
•A modified incremental multiaxial Neuber notch correction method considering temperature change was proposed.•The proposed approximate calculation method can accurately and quickly obtain the notch-root local stress-strain history.•A fast life prediction method is developed under variable amplitude multiaxial thermo-mechanical loading.
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关键词
Local stress-strain estimation,Temperature change,Effective stress concentration factor,Thermal-structural nonlinear FEA,Notch fatigue life prediction
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