固溶处理对一种低偏析高温合金组织的影响

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Effect of Solution Heat Treatment on Microstructure of DZ125L Superalloy with Low Segregation

XIONG Shiqi, LIU Enze, TAN Zheng, NING Likui, TONG Jian, ZHENG Zhi, LI Haiying

图9 固溶处理后γ/γ'共晶形貌

Fig.9 Morphologies of γ/γ' eutectics after solution heat treatment (a) 1230℃ for 1 h, (b) 1230℃ for 2 h, (c) and (d) 1240℃ for 4 h, (e) 1250℃ for 2 h