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12 LSP前后8Cr4Mo4V钢在旋转弯曲疲劳过程中裂纹的萌生和扩展示意图
Fig.12 Schematic diagram of crack initiation and propagation in 8Cr4Mo4V steel before and after LSP during rotating bending fatigue process (a) no LSP; (b) after LSP