固溶处理对一种低偏析高温合金组织的影响

熊诗琪, 刘恩泽, 谭政, 宁礼奎, 佟健, 郑志, 李海英

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

表2 铸态样品γ/γ'共晶和碳化物的成分

Table 2 Mass fraction of γ/γ' eutectic and MC carbide of the as-cast DZ125L superalloy tested by EDS (mass fraction,%)

Elements Al Ti Cr Co Ni Mo Ta W C Eutectic 5.37 3.72 8.85 9.37 61.68 0.40 5.36 5.26 - Carbide 0.05 15.91 1.47 0.95 4.70 1.86 48.89 13.51 12.65