粉末高温合金FGH4720Li在近服役温度下的组织演变规律

刘超, 姚志浩, 郭婧, 彭子超, 江河, 董建新

Microstructure Evolution Behavior of Powder Superalloy FGH4720Li at Near Service Temperature

LIU Chao, YAO Zhihao, GUO Jing, PENG Zichao, JIANG He, DONG Jianxin

图2 FGH4720Li合金在600、650和730℃下时效3000 h后的γ'Ⅰ相特征

Fig.2 Characteristics of γ'Ⅰ phase in FGH4720Li alloy after ageing for 3000 h at 600oC (a), 650oC (b), and 730oC (c)