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9 完全热处理后合金的组织

Fig.9 Microstructure of heat-treatment alloy (a) low magnification SEM image, (b) high magnification SEM image, (c) γʹ precipitates