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5 两种合金在各条件下不同变形机制的临界切应力计算结果
Table 5 Calculated data of critical resolved shear stresses for different deformation mechanisms of two alloys under different conditions
Alloys982℃ / 248 MPa1070℃ / 137 MPa
τAPB / MPaτor / MPaτAPB / MPaτor / MPa
8.0W+1.5Re94.07194.8561.35102.87
8.5W+1.0Re91.86241.7564.63133.65