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18 长期时效对LSP和WLSP处理的IN718合金表面硬化层强化机制贡献增量的影响[81]

Fig.18 Effects of long-term aging on the contribution increment of strengthening mechanism of the surface hardened layer of LSP and WLSP IN718 alloys[81] (ΔσD—strength contribution from dislocation strengthening, ΔσGB—strength contribution from grain boundary strengthening)