一种第二代镍基单晶高温合金1150 ℃原位拉伸断裂机制研究
马晋遥1,王晋1,赵云松3,张剑3,张跃飞1(),李吉学2,张泽2
Investigation of In Situ 1150 High Temperature Deformation Behavior and Fracture Mechanism of a Second Generation Single Crystal Superalloy
Jinyao MA1,Jin WANG1,Yunsong ZHAO3,Jian ZHANG3,Yuefei ZHANG1(),Jixue LI2,Ze ZHANG2

图8. 镍基单晶高温合金在加载应力620 MPa时1150 ℃拉伸屈服阶段样品表面微观孔洞的演变过程

Fig.8. Evolution process of micro hole on sample surface during tensile yield stage at 1150 ℃ and 620 MPa