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。
There are many factors that can result in the welding deformation, like welding procedure or residual stress of the material.
引起焊接变形的因素较多，有可能是焊接工艺引起，也有可能是材料本身残余应力引起。
Results show that distribution regularity of residual stress of in-service keeps coherent with routine welding, which measures up deformation mechanism of welding, but numeric value is different.
结果表明：在役焊接接头残余应力分布规律与常规焊接保持一致，符合管道焊接接头“内凸外凹”的变形机理，但在数值上差别较大。
The welding deformation and residual stress during the procedure of the welding of the submarine's spherical stem bulkhead are a very important guideline on the submarine's safety.
潜艇球面艏端隔壁结构在工程焊接过程中产生的焊接变形及残余应力是关系到潜艇安全的重要指标。
In the course of processing, Aluminum alloy structure particularly welding processes will be many issues, particularly residual stress and deformation.
铝合金结构在加工过程中，尤其是焊接加工过程中会出现许多的问题，特别是焊接残余应力和残余形变。
Wind cooling accelerated elimination of heat dissipation, and controlled temperature which made welding transverse contraction deformation and the residual stresses decrease.
气冷的方法，可以使试样散热更快，达到控制温度的目的，同时也可以减小焊接残余应力和焊接横向收缩变形。
The highly non-uniform welding temperature file caused large residual stress and deformation in the welding plate.
高度不均匀的焊接温度场，导致构件中产生较大的残余应力与变形。
Firstly, in the way of numerical calculation, analytical study on residual stress and deformation of different welding parameter which on same groove type's welded splice.
首先，本文采用数值计算的方法，对同种坡口形式的焊接接头进行了不同焊接工艺参数的残余应力及变形的分析研究。
The theory of residual plastic strain can be used to predict the distortion of simple components, and the reverse deformation is an effective method for controlling the welding distortion.
通过对实例的分析，表明对于简单构件的激光焊接，残余塑变理论可以用来预测变形，反变形法是控制焊接变形的有效方法。
In this paper, each welding residual stress fields and the welding deformation simulation result of the rear fork structure were given and quantitatively analyzed.
本文给出了各自的焊接残余应力场和平叉结构的焊接变形的模拟结果，并对其进行了定量分析。
It provides an important reference for choosing welding method and protecting and controlling the welding residual stress and deformation.
研究方法和结果对合理的选择焊接方法、控制和预测焊接残余应力和变形提供参考。
The article introduces a repair welding technology which prevents the worn axis from residual deformation and assures the repaired axis normally running.
介绍了一种防止磨损轴在焊补过程中出现残余变形，以保证修复轴正常运转的轴磨损无变形焊补工艺。
Segmental back welding is adopted for each welding seam to minimize the residual stress and deformation of welding.
每条焊缝采用分段退焊法，减小焊接残余应力和变形。
Segmental back welding is adopted for each welding seam to minimize the residual stress and deformation of welding.
每条焊缝采用分段退焊法，减小焊接残余应力和变形。
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