激光冲击强化对镍基单晶高温合金微观组织和抗高温氧化性能的影响

李佳恒, 钱伟, 朱晶晶, 蔡杰, 花银群

Influence of Laser Shock Peening on Microstructure and Oxidation Performance of Nickel-based Single Crystal Superalloy

LI Jiaheng, QIAN Wei, ZHU Jingjing, CAI Jie, HUA Yinqun

图9 LSP后镍基单晶高温合金的位错变化

Fig.9 Evolutions of dislocations in nickel-based single crystal superalloy after LSP treatments: (a)UT, (b) LSP-1, (c) LSP-3