The results show that the instrument can reach the demand of ultrasonic peening grain refinement.
试验结果表明该设备可以满足超声表面晶粒细化冲击的要求。
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。
In this paper we have researched the ultrasonic peening equipment and a new ultrasonic peening prototype model was manufactured.
本文对超声冲击方法的实验装置进行了研究，研制成功了一台可以用于实际冲击处理的样机。
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。
Studies show that considering the mechanism of improving the fatigue performance, ultrasonic peening and tig dressing are complementary.
研究表明超声波冲击方法与TIG熔修方法在提高焊接接头疲劳性能机理方面存在着很强的互补性。
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。
Ultrasonic power supply is the power and control center of ultrasonic peening. Its performance directly affects the quality of ultrasonic peening.
超声电源是进行超声冲击的能量供应和控制核心，因此它的性能好坏直接影响超声处理的质量。
On-line testing shows that, this digital ultrasonic peening power supply based on DSP can make the system work at the resonance state, and the peening process is stable.
联机试验表明，本文研制的基于DSP的数字化超声冲击电源可以使系统工作在谐振状态，冲击过程稳定。
The fatigue strength of the longitudinal fillet welded joint specimen treated by ultrasonic peening increases by about 173% and the fatigue lifetime prolonges by 32~70 times.
纵向角接接头超声冲击处理试件与原始焊态试件相比，疲劳强度提高1 73 %左右，疲劳寿命延长了3 2～ 70倍。
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。
Three methods of surface self-nanocrystallization for iron and steel are ultrasonic shot peening, high energy shot peening and surface mechanical attrition treatment.
实现钢铁材料表面自身纳米晶化的主要方法有超声喷丸、高能喷丸和机械研磨处理等。
In this paper, it was studied to improve the fatigue strength of welded joints and structrures of low carbon steel Q235B by peening the welded toes with ultrasonic equipment.
文中利用自行研制的超声波冲击实验装置，对提高低碳钢焊接接头疲劳强度进行了研究。
In this paper, it was studied to improve the fatigue strength of welded joints and structrures of low carbon steel Q235B by peening the welded toes with ultrasonic equipment.
文中利用自行研制的超声波冲击实验装置，对提高低碳钢焊接接头疲劳强度进行了研究。
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