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
),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
),Yang LIU1,Guohua XU2,Guangpu ZHAO2
图9. GH4169合金在750 ℃时效2000 h后低周疲劳断口附近横截面形貌
Fig.9. Morphologies of cross-section near LCF fracture surface in GH4169 alloy aged at 750 ℃ for 2000 h (The arrows indicate that the cracks propagate along the needle-like d phases)
