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17 不同温度长期时效后IN718合金LSP和WLSP硬化层硬度分布及硬化层深度变化[81]

Fig.17 Micro-hardness distributions and depth changes of the surface hardened layer of LSP and WLSP IN718 alloys after aging at high temperatures (NA—non-aging)[81] (a) micro-hardness of surface hardened layer after aging at different temperatures treated by LSP and WLSP (b) comparison of micro-hardness of hardened layer (c) comparison of hardened layer depth