1240 MPa级Ti-38644高锁螺栓的拉伸疲劳增寿机理
赵庆云(
),程思锐,黄宏
),程思锐,黄宏
Mechanism of Fatigue Life Enhancement for 1240 MPaHi-lock Bolt of Ti-38644 Ti-alloy
ZHAO Qingyun(),CHENG Sirui,HUANG Hong
),CHENG Sirui,HUANG Hong
图4. Ti-38644高锁螺栓的微观组织和β转变基体放大
Fig.4. SEM microstructure of Ti-38644 Hi-bolt (a) microstructure; (b) β transformation matrix
