一种细晶铸造镍基高温合金的组织与力学性能*
杨金侠, 孙元, 金涛, 孙晓峰, 胡壮麒

MICROSTRUCTURE AND MECHANICAL PROPERTIES OF A Ni-BASED SUPERALLOY WITH REFINED GRAINS
YANG Jinxia, SUN Yuan, JIN Tao, SUN Xiaofeng, HU Zhuangqi
表2 在760 ℃和应力662 MPa时合金在不同条件的持久性能
Table 2 Stress-rupture properties of tested alloy at 760 ℃ and 662 MPa in different conditions
Condition τ / h δ / %
Rg1 51.6 5.63
Rg3 90.2 5.89
Rf1 126.8 7.30
Rf2 162.4 8.42