一种第四代镍基单晶高温合金的同相位热机械疲劳行为及损伤机制
谭子昊, 李永梅, 王新广, 赵浩川, 谭海兵, 王标, 李金国, 周亦胄, 孙晓峰

In-Phase Thermal-Mechanical Fatigue Behavior and Damage Mechanism of a Fourth-Generation Ni-Based Single-Crystal Superalloy
TAN Zihao, LI Yongmei, WANG Xinguang, ZHAO Haochuan, TAN Haibing, WANG Biao, LI Jinguo, ZHOU Yizhou, SUN Xiaofeng
图4 DD91合金在不同应变幅下的同相位热机械疲劳(IP-TMF)循环应力响应曲线
Fig.4 Cyclic stress response curves of the DD91 alloy during in-phase thermomechanical fatigue (IP-TMF) at strain amplitudes of 0.5% (a), 0.6% (b), 0.8% (c), and 0.9% (d) (N—cycle number, σmax—maximum stress, σmean—mean stress, σmin—minimum stress)