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5 FGH4720Li合金在600和650℃下时效3000 h后的S-γ'Ⅱ相形貌

Fig.5 Morphology characteristics of S-γ'Ⅱ in FGH4720Li alloy after ageing at 600oC (a) and 650oC (b) for 3000 h