Appropriate welding material, election of soldering acid, design of welding heat process and cleaning up influenced the welding quality significantly.
合理的焊接材料、钎剂的选择匹配，焊接加热程序的设计，焊接部位的彻底清理将对端环的焊接质量具有极大的影响。
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
焊件中的温度场分布反映了复杂的焊接热过程，是研究焊接变形、焊后残余应力等状况的基础。
Welding is a complicated process in which arc physics, heat transfer, metallurgy and mechanics are involved.
焊接是一个涉及电弧物理、传热、冶金和力学的复杂过程。
This welding process joints work pieces by melting the electrode and the base metal with the heat from the electric arc between the electrode and the work piece.
它是一种利用焊条与工件之间电弧产生的热量熔化焊条和母材而将被焊工件连接起来的焊接方法。
The heat properties of UHMWPE products are analyzed and the changes of UHMWPE products in the process of welding are studied.
分析了超高分子量聚乙烯制品的热性质，研究了超高分子量聚乙烯制品在焊接过程中的变化。
In welding process, the over range of the interpass temperature can be avoided by the control of heat treatment equipment and by the check of the far-infrared temperature instrument.
并指出焊接过程中层间温度的控制，在用热处理控制柜自动控制的同时，再采用便携式远红外测温仪对层间温度进行校核，可以避免层间温度超标现象。
The mathematic model of transient thermal process in welding is established to simulate the moving of the heat source.
建立焊接瞬态温度分布数学模型，解决焊接热源移动的数学模拟问题。
It is mainly for preheating, drying of welding process in the industries such as chemical industry, shipbuilding machinery etc, or the heat treatment of stainless steel work.
主要供化工、造船机械等工业焊接工艺作焊条预热、干燥或作不锈钢工作的热处理之用。
The GMAW welding thermal process for low alloy steel JG590 was analyzed based on the established heat source model.
将熔化极气体保护焊（GMAW）的热输入处理为三维移动串热源，建立了串热源模型，模拟了JG590低合金钢的GMAW焊接热过程。
Due to the advantage of high energy density, low heat affected zone, low shape distortion of components, high welding speed, the research of the laser welding is the focus of the laser process.
激光焊接技术由于其能量密度高、热影响区小、焊接变形小、焊接速度高等众多优点，一直是激光加工方面的研究热点。
Studying the relational problems of numerical simulation of welding process, such as the choice of welding heat models, meshing girding etc.
实现焊接过程数值模拟计算的相关问题，如焊接热源的选择、网格划分等问题。
The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.
分析结果表明，厚板焊接工形截面残余应力的大小及分布，除了与焊接输入热量有关外，尚与截面几何尺寸有关。
In this paper, mechanic process, heat process and welding feature about titanium and its alloy is described. Application in electronics is presented.
本文从钛及钛合金的性能出发，阐述了其机械加工、热处理及焊接特点，展示了钛及钛合金在电子领域的应用前景。
After welding, the body is pickled — a process that USES a very corrisive mix of acids to remove the dark iron oxides formed near the weld area by the heat of the welding process.
焊后，身体是腌制-一个过程，使用非常corrisive的氨基酸组合，以消除黑暗氧化铁焊缝附近地区形成了焊接过程中的热量。
If a CroMo frame is not heat treated after welding, the joints subjected to heat during the welding process are annealed or normalized.
如果CroMo框架焊后不热处理，关节受高温焊接过程中退火或正常化。
The microstructure and properties of X80 steel will be changed greatly because of heat cycle in welding process.
X80管线钢在焊接过程中，热影响区由于受到焊接过程热的作用，其组织和性能会发生较大的变化。
It adopts special manufacturing process and smart heat dispersion structure to ensure the welding line never splits and the coil never suffers water-in.
采取独特的制造工艺，巧妙的散热结构，保证焊缝不开裂，线圈不进水。
The laser welding is a fast and uneven heat cyclical process. Because of complexity of the interactive between laser and material, it is very difficult to guarantee the quality of the laser welding.
激光焊接过程是一个快速不均匀的热传导过程，由于激光与材料相互作用的复杂性，使得激光焊接质量难以保证。
Abstruct: The connection mode and welding technological process between tube and tube sheet, tube sheet and shell of low temperature tubular heat exchanger are discussed.
探讨了低温管壳式换热器的管子与管板、管板与壳体的连接方式及焊接工艺。
In addition, improper heat treatment process and welding defects promotes the destruction trend in the gas turbine wheel.
另外，热处理工艺不当以及焊接缺陷是造成叶轮失效的促进因素。
The effective method to improve the impact ductility of this zone is to change the welding process and conduct post-weld heat treatment, which is help to divide M-A component into ferrite and carbide.
改善焊接工艺或进行焊后热处理，使M - A组元分解成铁素体和碳化物是提高其韧性的有效方法。
The welding method used was a PC-GMAW process with mixture gases shielding. Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接方法为脉冲熔化极混合气体保护焊，焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。
A new kind of the sintered wear-resisting and heat-resisting deposit welding rod which has perfect processing property is produced and studied by cold-cementing extrusion process.
采用冷粘结挤压法，研制了一种工艺性能良好的烧结型耐磨耐热堆焊焊条。
A new kind of the sintered wear-resisting and heat-resisting deposit welding rod which has perfect processing property is produced and studied by cold-cementing extrusion process.
采用冷粘结挤压法，研制了一种工艺性能良好的烧结型耐磨耐热堆焊焊条。
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