Fatigue crack propagation in a compressive residual stress field can be characterized with the closure effect.
疲劳裂纹在残余压应力场中的扩展可借助于裂纹闭合力来描述。
The simulation results of stress field show that it is tensile residual stress around the groove, and compressive residual stress with transition to plate edge.
应力场模拟结果显示，清根坡口附近为拉伸残余应力，向板边过渡为压缩残余应力。
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