热处理对一种 γʹ 沉淀强化钴基高温合金拉伸性能的影响

张慧芳, 吴浩, 肖传民, 李奇, 谢君, 李金国, 王振江, 于金江

Effect of Heat Treatment on Microstructure and Tensile Properties of a Typical γʹ-strengthened Co-based Superalloy

ZHANG Huifang, WU Hao, XIAO Chuanmin, LI Qi, XIE Jun, LI Jinguo, WANG Zhenjiang, YU Jinjiang

图4 铸态合金中枝晶干和枝晶间区域γʹ相的形貌

Fig.4 SEM images of γʹ precipitates in as-cast alloy (a) dendritic core area, (b) interdendritic area