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- 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
- ultrasonic peening treatment 超声冲击
- 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。
- ultrasonic shot peening treatment 喷丸处理
- 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；
- 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 gears adopt optimum design of fine-depth teeth and shot peening treatment in order to decrease noise if gearing and increase the capacity. 各齿轮副均采用优化细长齿轮，并进行强化喷丸，有效降低啮合噪音、提高承载能力。
- 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 tests show that the strengthening shot peening treatment for carburized gear can improve gear surface’s fatigue strength obviously. 试验表明，齿轮渗碳后再按最佳工艺进行强化喷丸后，可显著提高齿轮表面的疲劳强度。
- 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。
- The effects of material metallur-gy, shot--peening treatment, tensile load, strain rate, cyclic load and water chemistry on the behavior ofSCC are investigated. 研究的影响因素包括材料冶金、表面喷丸处理、载荷、应变速率、循环载荷以及水化学条件对SCC的影响规律。
- 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。
- He will not sit down under such treatment. 我不应再忍受好如此的礼遇。
- Surface Nanocrystallization of Hadfieid Steel Induced by Shot Peening Treatment 喷丸处理诱导高锰钢表层纳米化
- Their treatment of women is unspeakable. 他们对待妇女的方式恶劣得难以言表。
