A new compound treating method of improving fatigue performance of high-strength welded joint is that firstly treated the welded toe by TIG-dressing and then performed ultrasonic peening.
提出一种对接头焊趾先进行一遍tig熔修处理，然后再实施超声波冲击的复合处理新方法用来改善焊接接头的疲劳性能。
It is a new method to increasing fatigue strength of welded joints and structure by peening welded toes 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，是国际上刚刚出现的一种新方法。
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。
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