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- The new idea has been beld out to keep the output amplitude in constant so to control the quality of ultrasonic peening. 提出了控制执行机构的输出端振幅，使之恒定不变，对超声冲击处理质量进行控制的思想；
- The results show: impact effect of hardness at weld toe by ultrasonic peening is not great than treatment by TIG dressing. 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。
- 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。本文对超声冲击方法的试验装置进行了研究。
- It is very necessary to compare the ultrasonic peening method with the TIG dressing method, because the latter is used widely. 结果表明:超声冲击处理对焊趾区硬度的影响不如TIG熔修明显;
- Its a new method to incaease fatgue 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：本文对超声冲击方法的试验装置进行了研究。
- The equipment of ultrasonic peening for increasing fatigue strength of a welded joint is imposed and a corresponding ultrasonic peening prototype is manufactured. 对超声波冲击以提高焊接接头疲劳强度的装置进行了研究，研制出一台可用于实际冲击处理的样机。
- The prototupe was fitted with the ultrasonic power supply which can be used specially for ultrasonic peening equipment of the kind of piezoelectric ceramics. 该装置配有自行研制成功的适用于压电超声冲击处理设备的专用超声波电源。首次将压电式陶瓷换能器引入超声冲击装置；
- It has been proved by related tests (at constant force amplitude) that the fatigue strength of welded joints or structures with ultrasonic peening trea tment is improved greatly. 焊接接头或焊接结构经超声冲击处理后,疲劳性能得到十分显著的改善,这已被相关试验(常幅)所证实。突然超载所引起的过载效应会对超声冲击处理的效果产生一定的影响,具体情况如何,目前尚不情楚。
- Keywords fatigue strength;ultrasonic peening;welded joints;weldtoe; 疲劳强度;超声冲击;焊接接头;焊趾;
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
- Single-chip microcomputer based frequency tracking and amplitude stabilizing for ultrasonic peening equipment 基于单片机的超声冲击装置频率跟踪控制和恒幅控制
- IMPROVEMENT OF ULTRASONIC PEENING TREATMENT ON TUBULAR JOINTS UNDER HIGH STRESS RATIO LOADING 承载超声冲击方法改善高应力比加载条件管接头疲劳性能
- INFLUENCE OF UNDERCUTS ON FATIGUE PROPERTY OF WELDED JOINTS WITH ULTRASONIC PEENING TREATMENT 咬边缺陷对超声冲击处理焊接接头疲劳性能的影响
- EFFECT OF WELDING RESIDUAL STRESS ON FATIGUE PERFORMANCE OF THE WELDED JOINTS TREATED BY ULTRASONIC PEENING 焊接残余应力对超声波冲击处理焊接接头疲劳性能的影响
- Ultrasonic Peening Equipment Used for Improring Fatigue Strength of Welded Joints 改善焊接接头疲劳强度的超声冲击装置
- Ultrasonic peening improves the fatigue strength of welded joints in a ultra-fine grained steel 超声捶击提高超细晶粒钢焊接接头的疲劳性能
- COMPARISON OF ULTRASONIC PEENING METHOD ON IMPROVING THE FATIGUE STRENGTH OF THE WELDED JOINTS WITH TIG DRESSING METHOD 提高焊接接头疲劳强度的超声冲击法与TIG熔修法之比较
- Improvement of the Fatigue Performance of Welded T-Shape Tubular Joints by Ultrasonic Peening 超声冲击法提高T型焊接管接头疲劳性能
- Keywords Ultrasonic peening;Welded joint;Fatigue performance;Welding residual stress; 超声波冲击;焊接接头;疲劳性能;焊接残余应力;
- To hammer,bend,or shape with a peen. 锤打锤击、使弯曲或用锤顶来打成一定形状
