一种第二代镍基单晶高温合金1150 ℃原位拉伸断裂机制研究
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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
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Investigation of In Situ 1150 ℃ High Temperature Deformation Behavior and Fracture Mechanism of a Second Generation Single Crystal Superalloy
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Jinyao MA 1,Jin WANG 1,Yunsong ZHAO 3,Jian ZHANG 3,Yuefei ZHANG 1( ),Jixue LI 2,Ze ZHANG 2
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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
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Fig.8. Evolution process of micro hole on sample surface during tensile yield stage at 1150 ℃ and 620 MPa |
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