两种“WRe”型低成本第二代镍基单晶高温合金的高温持久变形机制
周章瑞, 吕培森, 赵国旗, 张剑, 赵云松, 刘丽荣

Stress Rupture Deformation Mechanism of Two "Replacement of Re by W" Type Low-cost Second-generation Nickel Based Single Crystal Superalloys at Elevated Temperatures
ZHOU Zhangrui, LV Peisen, ZHAO Guoqi, ZHANG Jian, ZHAO Yunsong, LIU Lirong
表3 1070℃/137 MPa下断裂后应力轴与筏形γ'相夹角统计结果
Table 3 Statistical data results of the angles between the stress axis and the rafted γ' phase after fracture at 1070℃/137 MPa
AlloysAngles between stress axis and rafted γ′ phases / (°)
Location 1Location 2Location 3
8.0W+1.5Re103.4 (φ1)117.5 (φ2)128.7 (φ3)
8.5W+1.0Re101.6 (φ4)112.3 (φ5)124.6 (φ6)