K4169合金的高温低周疲劳行为
刘庆澳, 张伟红, 王志远, 孙文儒

Low-cycle Fatigue Behavior of a Cast Ni-based Superalloy K4169 at 650oC
LIU Qing'ao, ZHANG Weihong, WANG Zhiyuan, SUN Wenru
图7 宏观断口的形貌
Fig.7 Macroscopic fracture morphology (a) Δεt = 0.5%; (b) Δεt = 0.6%; (c) Δεt = 1.0%