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1 喷丸处理对FGH96合金表面硬化层残余压应力分布的影响[30]

Fig.1 Effects of shot peening on the residual compress-ive stress distribution of surface hardened layer of FGH96 alloy[30] (a) before shot peening (turning) (b) ceramic bead peening and compound shot peening (SP1—parallel to the tool mark, SP2—perpendicular to the tool mark)