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11. GH4169合金在750 ℃时效2000 h后的低周疲劳断口及断口附近横截面和纵截面形貌
Fig.11. Cross-sectional (a) and longitudinal (b) morphologies of fracture in GH4169 alloy after LCF aged at 750 ℃ for 2000 h (The arrows indicate that needle-like d phases are broken)
