冷挤压孔边残余应力场中裂纹的应力强度因子

被引:10
作者
吴学仁
机构
[1] 北京航空材料研究所
关键词
裂纹; 断裂力学; 压力强度因子; 损伤容限分析; 残余应力;
D O I
暂无
中图分类号
学科分类号
摘要
本文给出了复杂应力场中圆孔边穿透裂纹问题的权函数解析解和各种基本载荷作用下孔边裂纹的应力强度因子计算公式。并据此计算了冷挤压孔边残余应力场中裂纹的应力强度因子,进而讨论了裂纹在外载荷和残余应力共同作用下疲劳扩展的特点。
引用
收藏
页码:442 / 447
页数:6
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