It's a new method to increase fatigue strength of welded joints and structure by peening toeofweld 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。
2
The formulae for calculating SIF and fatigue life of surface crack at weldtoeof 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。
3
The formulae for calculating SIF and fatigue life of surface crack at weldtoeof the high-strength steel under the combination stresses have been presented.