镍基单晶高温合金冷热循环过程中圆孔周围裂纹萌生与扩展行为
王莉1(
),周忠娇1,张少华1sup,降向冬2,楼琅洪1,张健1
),周忠娇1,张少华1sup,降向冬2,楼琅洪1,张健1
CRACK INITIATION AND PROPAGATION AROUND HOLES OF Ni-BASED SINGLE CRYSTAL SUPERALLOY DURING THERMAL FATIGUE CYCLE
Li WANG1(),Zhongjiao ZHOU1,Shaohua ZHANG1,Xiangdong JIANG2,Langhong LOU1,Jian ZHANG1
),Zhongjiao ZHOU1,Shaohua ZHANG1,Xiangdong JIANG2,Langhong LOU1,Jian ZHANG1
图1. 含圆孔的不同平面热疲劳镍基单晶高温合金样品示意图
Fig.1. Schematic of Ni-based single crystal superalloy samples for thermal fatigue tests along different crystal planes
(a) (100) specimen (b) (110) specimen
