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1 实验合金的室温拉伸性能

Table 1 Tensile properties of tested alloy at room temperature

Condition σb / MPa σs / MPa δ / % Rg1 1071.2 952.6 5.50 Rg3 1080.2 960.4 6.00 Rf1 1135.5 996.9 6.50 Rf2 1143.3 990.6 7.43