粉末高温合金FGH4096的疲劳小裂纹扩展行为

杨秦政, 杨晓光, 黄渭清, 石多奇

Propagation Behaviors of Small Cracks in Powder Metallurgy Nickel-Based Superalloy FGH4096

YANG Qinzheng, YANG Xiaoguang, HUANG Weiqing, SHI Duoqi

图12 RL试样中小裂纹停滞位置与M因子分析

Fig.12 IPF-Y colored SEM images of the stagnation sites and the associated trace lines of {111} slip planes on the specimen surface (a, c, e, g) of the small crack in RL specimen and the comparison of M factor (b, d, f, h) (a, b) stagnation site L1 (c, d) stagnation site L2 (e, f) stagnation site R1 (g, h) stagnation site R2