The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses were given out.
给出了高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses have been presented.
给出高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
It's a new method to increase fatigue strength of welded joints and structure by peening toe of weld with ultrasonic peening equipment.
使用超声波冲击焊趾来提高焊接接头及结构的疲劳强度，是一种国际上刚刚出现的新方法。
Cracks, growing at weld toe, tend to form at numerous sites along the transverse width perpendicular to the applied stresses.
焊趾处萌生的裂纹往往在垂直于作用应力方向沿着横向宽度在多处形成。
The fatigue life of the surface cracks of the weld toe and the central part of the welding bead are calculated.
又算出了这五种形状角焊缝趾端部和焊肉中央处的表面裂纹疲劳断裂的寿命。
Residual extend stress is produced at weld toe by TIG dressing, while compressing stress of high values by ultrasonic peening.
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。
The fatigue crack propagation rate of the fusion line and weld toe are greater than that of the others.
熔合线和焊趾处疲劳裂纹扩展速率较其他部位大。
This paper deals with the general calculation of fracture mechanics on the weld defects of a spherical tank. The additional bending stresses caused by both the angular distortion and the stagger toe.
本文阐述一般球罐焊接缺陷的有关断裂力学计算，介绍了由于角变形和错边量引起的附加弯曲应力。
The second crack is a crack originating at the groove weld toe of the column flange-girder flange connection.
第二种是产生于立柱翼缘与主梁翼缘连接处的坡口焊缝焊趾处的裂纹。
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.
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。
Assessment results showed that all assessment points were located within the failure lines of analysis level 1 and 2. So the pipeline structure with surface flaw at the weld toe was safe.
评定结果表明，不论是采用一级或是二级评定，各评定点均在评定曲线定义的范围内，说明该结构是安全的。
Assessment results showed that all assessment points were located within the failure lines of analysis level 1 and 2. So the pipeline structure with surface flaw at the weld toe was safe.
评定结果表明，不论是采用一级或是二级评定，各评定点均在评定曲线定义的范围内，说明该结构是安全的。
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