长期时效对GH4169合金组织演化及低周疲劳行为的影响*
安金岚1,王磊1(),刘杨1,胥国华2,赵光普2
INFLUENCES OF LONG-TERM AGING ON MICRO- STRUCTURE EVOLUTION AND LOW CYCLE FATIGUE BEHAVIOR OF GH4169 ALLOY
Jinlan AN1,Lei WANG1(),Yang LIU1,Guohua XU2,Guangpu ZHAO2

图3. GH4169合金在750 ℃时效不同时间后d相的形貌

Fig.3. Morphologies of d phase in GH4169 alloy aged at 750 ℃ for 500 h (a), 1000 h (b), 1500 h (c) and 2000 h (d) (PFZ—precipitate free zone)