镍基高温合金表面冲击强化机制及应用研究进展

王磊, 刘梦雅, 刘杨, 宋秀, 孟凡强

Research Progress on Surface Impact Strengthening Mechanisms and Application of Nickel-Based Superalloys

WANG Lei, LIU Mengya, LIU Yang, SONG Xiu, MENG Fanqiang

图4 喷丸处理对Udimet 720Li合金相同载荷幅条件下疲劳裂纹萌生位置的影响[35]

Fig.4 Effects of shot peening on fatigue crack initiation location of Udimet 720Li alloy before (a, c) and after (b, d) shot peening under the same load amplitude[35] (Fig.4c enlarged for red frame in Fig.4a, Fig.4d enlarged for the lake blue frame in Fig.4b)