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11. 镍基单晶高温合金1150 ℃原位拉伸断口形貌
Fig.11. Fractograph of the specimen after high temperature tension at 1150 ℃ (a), regions A and B corresponding to crack source and crack propagation zone respectively, and boxes 1 and 2 in area B showing the microspores (b), and dimples and cleavage plane characteristics of areas I (c) and II (d) on cross section
