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1 标准热处理态FGH4720Li合金中不同γ'相的形貌及分布特征 (a) γ'Ⅰ phase (b) distribution of different γ' phase (c) B-γ'Ⅱ phase (big secondary γ') (d) S-γ'Ⅱ phase (small secondary γ') (e) γ'Ⅲ phase

Fig.1 Morphologies and distribution characteristics of different γ' in heat treated FGH4720Li alloy