A short and long crack growth model with mean stress correction based on cyclic resistance curve
Theoretical and Applied Fracture Mechanics(2023)
摘要
•Stress ratio effect on cyclic resistance curve is considered using a material-independent model;•A fatigue crack growth model considering both stress ratio and short crack effect is proposed;•Fatigue limits and SN curves of notched specimens under different stress ratios are predicted;•Good agreement can be achieved between the proposed model and the experimental results.
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关键词
Cyclic resistance curve,Mean stress effect,Crack,Fatigue
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