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3. 镍基单晶高温合金微观组织形貌与EDS面分布

Fig.3. Over field image of stretch gauge segment (a), composed of γ/γ' microstructure (b), micro pores and small amounts of eutectic structure and inclusion shedding caused holes (c), EDS surface distribution of the rectangular area in Fig.3b (d) (σ—relative standard deviation, w—mass fraction)