航空发动机叶轮超高周疲劳寿命预测方法 |
王延忠,杨凯,齐荣华,陈燕燕,李菲,高浩 |
Ultra-high cycle fatigue life prediction method for aero engine impeller |
Yan-zhong WANG,Kai YANG,Rong-hua QI,Yan-yan CHEN,Fei LI,Hao GAO |
图 9 粗糙度和应力集中系数的关系曲线 |
Fig.9 Relationship between roughness and stress concentration coefficient |
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