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12 应变幅0.6%时微缺口左下角点在循环第10 cyc后的滞后回线

Fig.12 Hysteresis loops of the point at the lower left corner of the micro-notch at Δεt = 0.6% and the 10th cycle