耦合焊接残余应力的横波可控震源振动器平板疲劳寿命预测

陈振,陈能鹏,冉庆杰,王乔木,魏超成,鞠浩文

Fatigue life prediction of sheer wave vibroseis vibrator baseplate coupled with welding residual stress

Zhen CHEN,Nengpeng CHEN,Qingjie RAN,Qiaomu WANG,Chaocheng WEI,Haowen JU

表4 各级应力水平下振动器平板的疲劳损伤量

Table 4 Fatigue damage of vibrator baseplate under each stress level

应力水平/MPa 循环数/次 损伤量 122.74 3.41×105 2.93×10-6 112.53 6.43×105 1.55×10-6 86.83 4.29×106 2.33×10-7 82.27 6.36×106 1.57×10-7 112.15 6.60×105 1.52×10-6