FGH4720Li粉末高温合金在近服役条件下的组织与力学性能演变规律
李大禹, 姚志浩, 赵杰, 董建新, 郭婧, 赵宇

Evolution of Microstructure and Mechanical Properties of FGH4720Li P/M Superalloy Under Near-Service Conditions
LI Dayu, YAO Zhihao, ZHAO Jie, DONG Jianxin, GUO Jing, ZHAO Yu
图1 热处理后FGH4720Li合金微观组织的SEM像
Fig.1 SEM images showing the distribution character-istics of different γ' phases in heat treated FGH4720Li powder metallurgy (P/M) superalloy
(a) primary γ' phase
(b) secondary γ' phase
(c) tertiary γ' phase