GH4169合金拘束相关的疲劳裂纹萌生寿命
郭昊函, 杨杰, 刘芳, 卢荣生

Constraint Related Fatigue Crack Initiation Life of GH4169 Superalloy
GUO Haohan, YANG Jie, LIU Fang, LU Rongsheng
图16 疲劳裂纹萌生寿命与拘束间的关联
Fig.16 Relationships between fatigue crack initiation life and constraint
(a) different micro-notch depth
(b) different micro-notch length