TIG熔修处理工艺在焊趾区引入了残余拉应力，而超声冲击在焊趾区形成了较大数值的压缩应力。
Residual extend stress is produced at weld toe by TIG dressing, while compressing stress of high values by ultrasonic peening.
数值计算结果表明：T型接头焊趾区经过TIG电弧重熔处理后，虽然能够改善焊趾的形状，但该部位仍呈拉伸残余应力状态。
The results show that after TIG arc remelting treatment, the T-joint weld toe area can improve the shape of the weld toe, however, the area till shows a tensile residual stress state.
应用推荐