8Cr4Mo4V钢激光冲击残余应力的演化仿真及其对疲劳性能的影响

孙玉凤, 刘伟军, 张宏伟, 苏勇, 魏英华, 刘贵胜, 于兴福

Simulation of Residual Stress Evolution of 8Cr4Mo4V Steel Induced by Laser Shock and Its Influence on Fatigue Performance

SUN Yufeng, LIU Weijun, ZHANG Hongwei, SU Yong, WEI Yinghua, LIU Guisheng, YU Xingfu

图9 未经激光冲击强化和经激光冲击强化且去除不同深度的表面损伤层8Cr4Mo4V钢的旋转弯曲疲劳强度

Fig.9 Rotating bending fatigue strength of 8Cr4Mo4V steel before LSP and after LSP with different thicknesses of damaged layers removed