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7 RH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.7 IPF-Y colored SEM images of the crack path and the associated trace lines of {111} slip planes on the specimen surface in RH specimen (a) the left crack path from N = 1.20 × 104 cyc to N = 4.42 × 104 cyc (b) the left crack path from N = 9.052 × 104 cyc to N = 9.268 × 104 cyc