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
),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
),Jixue LI2,Ze ZHANG2
图10. 镍基单晶高温合金1150 ℃原位拉伸显微孔洞演变与变形行为
Fig.10. Crack propagation of nickel-based single crystal superalloy at 600 MPa (a), morphology at 580 MPa corresponding to region I (b), carbides in porous cavities in region II (c), morphology evolution of Fig.10a at 530 MPa (d), and crack propagation between micropores at 500 MPa at different magnification (e, f)
