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15 650℃时效200 h对LSP和WLSP处理IN718合金表面硬化层硬度分布的影响[52]

Fig.15 Effects of aging on the microhardness distribution in the surface hardened layer of LSP and WLSP samples of IN718 alloy at 650oC for 200 h[52] (Insets show optical micrographs of the Vickers indentation. LTA—long-term aging)