Through quantitative and SEM analysis, the minim zinc was found remaining on the surface of weld and the zinc thickness on the heat-affected zones appeared gradient.
定量及SEM分析表明，焊缝中表面只残留少量锌，在焊缝两侧的热影响区，锌层厚度呈梯度分布。
On overall inspection of interior and exterior of pre-hydrogenating reactor of Shanghai Oil Refinery Factory, large cracks was found on the surface of weld and inside of the weld.
在上海炼油厂预加氢反应器投用前的内外部检验中，发现了大量的焊缝表面裂纹和内部埋藏裂纹。
A passivation procedure can be modified to deal with a variety of soils, surface finishes and weld area conditions.
可修改钝化规程以处理污垢、表面抛光以及焊接区域的各种情况。
Test results showed that the optimized pickling process could clean oxide skin of weld surface in effect and improve pitting-resistance property greatly.
研究结果表明，采用本文中的酸洗工艺可以有效清除不锈钢焊缝表面的氧化皮，并改善其耐点蚀性能。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses were given out.
给出了高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses have been presented.
给出高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
The transformation of weld forming is the results of dual functions of arc shrink and surface tension change.
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 purpose of weld guide bending test is to detect plasticity of welding joint, welding process and surface defects of materials.
焊缝导向弯曲试验的目的是检查焊接接头的完好性和塑性以及材料的焊接工艺和表面缺陷。
The calculated results of current density and heat flux on flat weld pool surface using model established in this paper are agreed with experiment.
用本模型计算出的平坦熔池表面电流密度和热流密度的分布与试验结果显示了很好的一致性。
An image detect system with near infrared CCD for monitoring the copper weld pool on the surface of steel was established.
建立了一个近红外CCD熔池动态信息的图像检测系统，用于钢表面铜熔池视觉信息的检测。
An image detect system with near infrared CCD (charge coupled devices) for monitoring the copper weld pool on the surface of steel was established.
建立了一个近红外CCD熔池动态信息的图像检测系统，用于钢表面铜熔池视觉信息的检测。
On the basis of calcuiation and experience, through side-bending test, test piece's extensibility is relative small, and its weld surface after processed is unaffected by the piece's surface quality.
根据计算和经验，侧弯伸长率小，且焊缝表面经过加工，不受表面质量影响，所以试验结果更接近实际，更为准确。
Groove — an opening or channel in the surface of a part or between two components which provides space to contain a weld.
剖口——在一个工件或二个部件之间的表面的一开口或通道，用于熔敷焊缝。
This paper studied the effects of weld pool surface deformation on welding arc behavior characters basing on unified arc pool mathematical model.
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。
The fatigue life of the surface cracks of the weld toe and the central part of the welding bead are calculated.
又算出了这五种形状角焊缝趾端部和焊肉中央处的表面裂纹疲劳断裂的寿命。
The excess material formed on the internal surface of a coiled tubing string by the longitudinal weld during manufacture.
挠性管柱在制造时由于纵向焊接在其内表面所形成的多余物质。
The weld can performed free of porosity for full penetration weld when proper surface treatment processing prior to welding is employed.
采用合理的焊前表面处理工艺、全熔透焊接可获得无气孔的焊缝。
Weld spatter consists of particles of metal unintentionally ejected from the molten pool during welding and deposited on the surface of base or weld metal.
焊接溅落包括无意地从熔融池中溅出的金属颗粒并落到了母体金属或焊缝金属的表面。
Rods and wires shall have a smooth finish, free from surface imperfections, corrosion products, grease or other foreign matter which would affect the quality of the weld.
焊条与焊丝应该表面光洁，不能有表面缺陷和锈垢、油脂以及其他杂质，因为它们会影响焊接质量。
On the outer surface of the pipe, the axial residual stresses of the weld and in its vicinity are compressive while the hoop stresses keep tensile.
在管道接头外表面焊缝中心处的轴向残余应力为压应力，而环向残余应力为拉应力。
The power supply of ac TIG welding can be used to weld aluminium and magnesium which surface has a firm oxide layer.
交流TIG焊接电源可用来焊接铝、镁等表面有致密氧化膜的金属。
The results showed that the weld detects on the surface of the axle was the reason to cause low stress fatigue under rotation bending stress which finally lead to the fatigue cracks on the axle.
结果表明，该轴断裂是由于轴表面存在焊接缺陷，在旋转弯曲应力作用下产生低应力疲劳开裂。
The surface quality of the spiral weld pipe is as so critical a quality assurance element as its interior quality.
螺旋焊管的表面质量与其内在质量同样是焊管质量的重要保证因素。
If the surface of the stir pin is smooth, the migration of interface in the thickness direction reduces, but the interface spreading to the weld is serious.
若搅拌针表面是光滑的，搭接界面在厚度方向上的迁移减小，但返回边界面向焊缝中心延伸的程度增大。
Pure nickel, excellent general properties. Used to weld thin cast iron part repair welding machined surface, such as guided way of machine tool.
纯镍，综合性能好。铸铁薄件及加工面补焊用，如机床导卫。
Abrasion and corrosion of heating surface, superheater tube cracking and weld leakage are the main cause of waste heat boiler breakdown in sulphuric acid plant.
硫酸废热锅炉故障主要是由受热面管子的磨损、受热面的腐蚀、过热器爆管及焊缝漏水等引起的。
Surface thermal spray weld process with alloy powder is a new technology of surface protecting and hardening.
合金粉末表面热喷焊技术是一种新的表面防护和强化工艺。
Surface thermal spray weld process with alloy powder is a new technology of surface protecting and hardening.
合金粉末表面热喷焊技术是一种新的表面防护和强化工艺。
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