Low-cycle fatigue damage accumulation near the cold-expanded hole by crack compliance data
International Journal of Fatigue(2022)
摘要
•Novel destructive method is implemented for quantitative assessment of fatigue damage.•Narrow notches serve to manifest a damage degree.•Normalized fracture mechanics parameters obtained serve as a current damage indicator.•Damage accumulation functions are presented in an explicit form.•Stress ratio influence on damage accumulation rate is analyzed.
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关键词
Damage accumulation,Cold-expanded hole,Low-cycle fatigue,Crack compliance method,Fracture mechanics parameters
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