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7. GH4169合金在750 ℃长期时效后的低周疲劳断口裂纹源区形貌
Fig.7. Morphologies of fracture crack initiation zone in GH4169 alloy after low cycle fatigue (LCF) after SHT (a) and aged at 750 ℃ for 1500 h (b) and 2000 h (c) (The arrows point to the fracture crack initiation areas)
