电弧烧伤。由于电极(含接地极)与管子表面之间起弧而产生的局部表面熔化点。
Arc Burns. Localized points of surface melting caused by arcing between electrodes or ground and pipe surface.
焊缝成型的变化是电弧收缩与表面张力变化双重作用的结果。
The transformation of weld forming is the results of dual functions of arc shrink and surface tension change.
电弧对触头表面的能量输入是影响触头侵蚀量的决定因素。
The energy input from arc to contact surface is a decisive factor on erosion of contact materials.
对直流TIG电弧阳极板表面电流密度的测量方法——分离极板法和探针(自制)法进行了分析比较。
The measuring methods of D C TIG welding arc anode sheet surface current density split sheet method and probe (made by ourselves) method were analysed and compared.
表面张力、电弧吹力和电磁搅拌力均有利于获得较大的熔深,浮力有利于增加焊缝中间部位的宽度。
The surface tension, arc blow force and electromagnetic force work positive to improve the penetration, and the buoyancy can increase the width in the middle of weld pool.
电弧喷涂是热喷涂的主要技术之一,用于液压缸活塞柱体表面修复,可以得到较好的修复效果。
The arc spraying is a kind of important heat spraying technologies. It can be used to repair the damaged surface of hydraulic cylinder piston, and obtains the better effect.
锌合金熔点低、喷涂成形性能好,可以直接在原型表面进行电弧喷涂快速制造模具,提高模具的制造精度。
Zinc-alloy has low melting point and is easy to spray forming which can be sprayed directly on the production surface to fabricate a mould with high precision by arc spraying.
介绍了一种新的表面处理方法——激光触发真空电弧镀膜技术。
A novel technique as laser induced vacuum arc coating for surface modification and machining is reviewed in this paper.
避雷针的上部表面是否有可见的电弧放电痕迹?
在电弧与熔池统一模型的基础上研究熔池上表面变形对电弧行为特征的影响。
This paper studied the effects of weld pool surface deformation on welding arc behavior characters basing on unified arc pool mathematical model.
低气压下绝缘子污闪放电过程中局部电弧存在飘离绝缘子表面形成空气间隙电弧的现象。
The partial arc may derive from the surface of polluted insulator string and form the air gap arc during the pollution flashover process at low air pressure.
电弧弧根不应接触绝缘子表面,但允许电弧通道的中间部分可以擦过绝缘子。
The roots of the arc must not be allowed to come into contact with insulator surface, whereas the middle of the arc channel can do so.
表面粗糙度有一个最佳值,在这个表面粗糙度下电弧能量最小、质量磨损率也最小。
There is an optimum surface roughness which will produce minimal arc energy and minimal wear rate.
表面热喷涂工艺有超音速HVOF喷涂、陶瓷棒材喷涂、超音速电弧喷涂、 亚音速火焰喷涂等。
The surface heat spurts spreads the craft to have supersonic HVOF to spurt spreads, the ceramic good material spurts spreads, the supersonic electric arc spurts spreads and so on.
本文叙述了表面技术——电弧热喷涂技术在材料防腐上的应用。
A protecting aluminum coating on the magnesium alloy surface was obtained by electro-arc spraying.
在电弧电流较大,碳粒子浓度较高的情况下,可以在阴极表面生成大量弯曲的多壁碳纳米管。
In the condition of big current and high concentration of carbon particles, masses of curled MWCNTs were obtained on the surface of the cathode deposition.
结果表明,熔池表面和底部的温度都低于电弧焊,这是造成低稀释率的根本原因;
The result shows that the temperatures of molten pool surface and bottom are lower than those ones in arc welding. This is main cause of formation of low dilution rate.
采用电弧离子镀膜方法,以高纯石墨为碳离子源在PM MA树脂义齿表面沉积类金刚石膜。
By the technology of vacuum cathodic arc deposition, graphite as cathode, Diamond like carbon film (DLC) was deposited on PMMA resin denture.
电弧电流产生的磁场和电极中的电流相互作用会产生强大的机械力冲击电极表面进而影响开关的性能。
The strong mechanical force generated as the arc forms impacts the electrode and has effects on switch performances.
制品表面具有平整、无毒、无味、耐摔、密胺餐具能自动熄灭电弧等特性;
2, the product surface is smooth, non-toxic, tasteless, durable, can automatically extinguish the arc characteristics;
采用电弧喷涂技术在镁合金az91基材表面制备铝涂层。
Aluminum coating on AZ91 magnesium alloy was deposited by arc spraying.
结果表明,A-TIG焊电弧是否产生收缩与所使用的活性剂有关,即使在电弧未产生收缩情况下,表面活性剂仍然对焊接熔深的增加有较大的作用。
The results show that whether the arc of A-TIG welding shrinks is related with active flux used. The surface active flux still has the effect on weld pool depth even when arc does not shrink.
该系统不仅对电弧光与周围环境光有抗干扰的功能,而且对工件的表面状态有较大适应性。
The system not only possesses a strong anti-interference both to arc light and to surrounding light, but suitability to seam surface condition.
用于高压回路中的断路器,电弧被拉长,并迫使它接触油 的表面,并依靠产生的油雾或气体射流制冷。
In breakers for high-voltage circuits. Ares are lengthened, forced against oil-laden surfaces, and cooled by oil sprays or by air jets.
表面粗化在电弧喷涂中具有重要作用,涂层质量很大程度上取决于表面粗化预处理的效果。
Surface roughening is very important in arc spraying, as the coating quality depends greatly on its treatment result.
结果表明:表面越粗糙,越易起弧,形成更高的电弧能量,磨损形式主要是磨粒磨损、电弧侵蚀;
The results show that the higher rough surface will result in the arcing more easily and form higher arc energy, the forms of wear are mainly abrasive wear and are erosion.
被动式视觉传感方法是焊接过程传感的一种主要方法,其主要原理是利用电弧光照射熔池表面获得熔池图像。
Passive visual sensing method is the major method for sensing welding process, the principle of which is to capture weld pool image by the illumination of electric arc.
采用高速电弧喷涂技术,喷涂scz16合金,对燃煤含硫量高的锅炉水冷壁管进行表面处理获得了良好的效果,并在多个电厂中推广应用。
A good result was obtained using high speed arc-sparing technique of SCZ16 alloy on the cooling tubes. This technique has been successfully popularized in a number of power plants.
采用高速电弧喷涂技术,喷涂scz16合金,对燃煤含硫量高的锅炉水冷壁管进行表面处理获得了良好的效果,并在多个电厂中推广应用。
A good result was obtained using high speed arc-sparing technique of SCZ16 alloy on the cooling tubes. This technique has been successfully popularized in a number of power plants.
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