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8 RL试样中小裂纹扩展早期和末期的扩展路径与{111}滑移面迹线分析结果

Fig.8 IPF-Y colored SEM images of the crack path and the associated trace lines of {111} slip planes on the specimen surface in RL specimen (a) the right crack path from N = 5.550 × 104 cyc to N = 1.085 × 105 cyc (b) the right crack path from N = 2.62 × 105 cyc to N = 2.64 × 105 cyc