以Q345钢结构箱型柱为对象，研究了超声冲击工艺对焊接残余应力的影响。
The effects of ultrasonic impact treatment (UIT) on the residual stresses of welded rectangular steel (Q345) pillar were investigated.
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。
In this paper we have researched the ultrasonic peening equipment and a new ultrasonic peening prototype model was manufactured.
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。
Ultrasonic power supply is the power and control center of ultrasonic peening. Its performance directly affects the quality of 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。
Residual extend stress is produced at weld toe by TIG dressing, while compressing stress of high values by ultrasonic peening.
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。
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.
与传统的改善结构疲劳性能的焊后处理措施相比，超声冲击处理是一种既高效又便捷的较为理想的工艺方法。
Ultrasonic impact treatment (UIT) is an effective and convenient method to enhance the fatigue strength of welded joints and suchlike structures.
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。
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.
作为一个成像工具，声透镜冲击了超声波的显像，因为声脉冲可以更加紧密地聚焦，可以很容易地重新定位。
As an imaging tool, the acoustic lens beats ultrasound imaging because the sound pulses can be focused much more tightly and can be easily repositioned.
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。
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，是国际上刚刚出现的一种新方法。
It is a new method to increasing fatigue strength of welded joints and structure by peening welded toes with ultrasonic peening equipment.
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。
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.
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。
The results show that the instrument can reach the demand of ultrasonic peening grain refinement.
结果表明：除了非线性强度、吸收外，衍射是另一个影响非线性超声束冲击波形成的重要因素。
The results reveal that besides the nonlinearity and absorption, the diffraction is another important factor that affects the shock formation of an ultrasound beam.
介绍超声波冲击技术在西堠门大桥上的应用情况。
In this paper, the application of the ultrasonic impacting technique to Xihoumen Bridge is presented.
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。
Studies show that considering the mechanism of improving the fatigue performance, ultrasonic peening and tig dressing are complementary.
通过用频域方法数值求解KZK方程； 以活塞声场为例，研究了非线性超声束的冲击波形成规律。
The shock formation in a nonlinear ultrasound beam by solving KZK equation using frequency-domain numerical method is investigated.
目的研究超声定位在体外冲击波疗法(ESWT)治疗肱二头肌长头腱炎中的价值。
Objective To reveal the effect of extracorporeal shock wave therapy (ESWT) with ultrasonic orientation for inflammation of long tendon of biceps muscle (ILBM).
在侵入式冲击波疗法中，医生用高能量超声波去击打问题区域，以次来刺激组织的恢复痊愈。
In shockwave therapy, the doctor USES high-energy ultrasound waves to hammer problem areas and stimulate healing.
第二种是超声波冲击技术，用以减少船舶结构中的焊接区域出现的残余应力。
The second kind of these techniques is the ultrasonic impact technique which was used in the welding process in order to reduce the residual tension stress in the welding area of the ship structure.
结果经超声定位体外冲击波治疗输尿管结石的总有效率为97.8%。
Results The effective rate of treatment to ureteral calculi with ESWL was 97.8% by using ultrasound directing.
采用数值分析方法分析了跨声速喷管无粘流动和超声速射流对挡流板的冲击流场。
Numerical analyses of the transonic nozzle inviscid flow and supersonic jet impingement on a jet TAB are presented.
本文介绍了一种新型的使用B型超声波检测仪定位的小型化体外冲击波碎石机。
This paper describes a new minim Extracorporeal Shock Wave Lithotripter (minim ESWLter) using a B-ultrasonic location system.
本文利用兆赫兹频率级别的聚焦超声换能器诱发冲击波作用于结石模型材料，采用不同的声波参数包括频率、强度、占空比等进行了实验。
We used a Mega Hz focused transducer to focus on the surface of the calculus model and tried different frequency, intensity, time and duty cycle.
综合利用超声波、冲击回波、探地雷达等手段研究了凝结硬化早期混凝土内部的结构特征。
Comprehensive utilization of non-destructive methods such as ultrasonic, impact echo and ground penetrating radar to study the characteristics of the internal structural of early hardened concrete.
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。
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.
应用推荐