查询词典 peening

With the help of a new technique called accelerated-pressure shot peening which is the combination of common shot peening equipment with a pressurizing vessel,a nanocrystalline layer with ultrafine grains(average diameter 30 nm)was fabricated on the surface of 7050 aluminum alloy.

在普通喷丸设备上增加增压罐，采用增压喷丸方法在7050铝合金表面制备出平均直径约为30 nm的纳米晶层。

After the research on blank modeling and shot peening path design for integral wing panel , a new technology for rapid blank modeling based feature mapping and an algorithm for complex Integral Wing Panel s shot peening path design are presented in this thesis.

本文对机翼整体壁板板坯建模与喷丸路径规划问题进行了深入研究，提出了基于特征映射的板坯快速建模技术和复杂翼型整体壁板喷丸路径规划算法。

As a new surface peening method, high pressure waterjet peening was used to improve the fatigue life of treated components by changing the surface . Although there was just 4-5 years to this day , because of the better effects and lower cost and easier to carry out robotization and cutting/peening/ forming as a kind of multiplicity treatments , some researches had been started overseas .

高压水冲击强化是一种新的表面强化方法，通过改善零件的表面状态而提高疲劳寿命，虽然该项技术从提出至今仅短短4-5年时间，但由于与传统喷丸相比具有强化效果好、成本低、便于实现自动化和切割／强化／成形复合加工等诸多优点，国外有关研究机构已经对其开展了一系列研究。

But for the second type of peened specimens, the moderate-peening regime is stricter and the over-peening stage comes earlier than that for the first type of peened specimens.

第Ⅱ类喷丸试样较第Ⅰ类喷丸试样的适度喷丸规范要严格，而且其过喷丸情况也易于出现。

By the way of X-ray stress measurement, the characteristics of residual stress distribution of specimens, which were shot peened and polished, were studied; by the way of three-point bending fatigue tests, the influence of polishing after shot peening on fatigue properties was studied; on this basis, the reason why Shot Peening Standards provide that the depth of metal removal does not exceed 10% of the specified arc height was analysed.

文中指出300M钢喷丸强化工艺中打磨对喷丸效果的影响问题；通过X射线应力测定，研究喷丸及打磨后试样的残余应力分布及变化的特点；通过三点弯曲疲劳试验，研究喷丸后打磨对试样疲劳性能的影响；在此基础上，分析喷丸标准中规定喷丸后打磨去除量不可以超过阿尔门强度值的1/10的原因。

Test results show 1 the fatigue strength of peened joints under overloading, in spite of lower than the fatigue strength of the non-overloading peened joints, is still greatly higher than the fatigue strength of as-welded joints; 2 In the range of lower stress level and longer life, ultrasonic peening method exhibit better results than TIG dressing; 3 Fatigue strength of the welded joints with defects (such as undercut at the weld toe) can also be improved greatly after peening treatment.

结果表明，超声冲击处理过的焊接接头经过载后疲劳性能有所下降，但与原始焊态相比提高疲劳强度、延长疲劳寿命的效果仍然十分显著；在低中应力水平、中长寿命区域，使用超声冲击法提高焊接接头疲劳强度比TIG熔修法效果更好；超声冲击处理后，含咬边等缺陷的焊接接头，疲劳强度同样有较大的提高。

They are FF testing methods, surface treatment technique, evaluation of the properties of surface modification layer, coating induced embrittlement, selection of coating materials, effects of SP and other surface modification on fretting fatigue resistance . A new coating technology combined with shot peening is proved in improving FFR of titanium alloy. The relation between fretting wear and fretting fatigue mechanism of titanium alloy are discussed on the basis of the experimental results. The main contributions are as follows:(1) Shot peening is the most efficient way in improving fretting fatigue resistance of titanium alloys. Working hardening, roughening and compressive residual stress are involved in the shot peened surface.

本文针对上述问题，从影响FF行为的关键环节：FF实验方法、表面处理工艺技术及表层性能评价、镀层引起的钛合金脆化行为、脆化机制及镀层材料的选择、喷丸强化因数和表面涂层对钛合金FF抗力的影响、FF与微动磨损的联系等，深入系统地研究影响钛合金FF抗力的控制因数，探讨FF机理，并通过喷丸形变强化与新型表面镀或渗层合理复合，达到进一步提高钛合金FF抗力的目的。

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。

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。

In this paper,the surface roughness and residual stress of 1Cr11Ni2W2MoV stainless steel after laser shock peening and shot peening were tested and analyzed.The results show that laser shock peening samples have better surface quality and larger residual stress than shot peening samples.

对不锈钢材料1Cr11Ni2W2MoV进行了激光冲击强化和喷丸强化后表面粗糙度和残余应力测试分析，与喷丸相比，激光冲击强化对试件表面形貌和表面粗糙度的影响更小，产生的残余压应力更大。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。