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3. 强化后的高锁螺栓和未经强化的高锁螺栓的疲劳失效试样
Fig.3. Failure Sample of Hi-bolt after fatigue test (a) Hi-bolt with extrusion strengthening; (b) Hi-bolt without extrusion strengthening
