The traditional viewpoint of existing heating process and neglecting melting phenomena in welding results in the error of considering compressive plastic strain in welding.
由于认为焊缝存在加热过程和忽视熔化现象的存在，导致传统观点认为的焊缝存在压缩塑性应变的错误。
The variation of microstructure and mechanical properties of the welding heat-affected zone of 2090 Al-Li alloy were investigated by means of the welding thermal, simulated and strain cycles test.
采用焊接热模拟试验方法研究了在焊接热循环和应力-应变循环同时作用下，2090铝锂合金焊接热影响区显微组织和力学性能的变化特征。
A method, the equivalent loading method based on inherent strain, to predict welding deformations of structures accurately is presented in this paper.
文章提供了准确预测焊接变形的固有应变等效载荷法。
A new large heat input welding high strength low alloy steel with low susceptivity to weld cold cracking was developed and the cold strain aging behavior was investigated.
研制了一种低焊接裂纹敏感性高能量输入焊接用低合金高强钢，并研究了其冷应变时效行为。
" bridge brand " marble mostly to use in slagging powder with drug cover welding electrode. improve slag basicity, steady arc, increase surface strain. it also used on architecture industry.
粤桥牌大理石粉为白色或浅灰色矿粉，主要用于药皮焊条等焊接材料的造渣造气剂，可提高熔渣堿度稳。
The numerical analysis of temperature field, stress field and strain field during laser welding based on the welding analysis function of SYSWELD were introduced in this paper.
基于SYSWELD的焊接分析功能，介绍了用数值方法研究激光动态焊接过程中温度场、应力场、应变场的变化情况。
The dynamic stress-strain and welding residual stress during welding are the significant factors which lead to welded cracking and debasement of the joint properties.
在焊接过程中产生的动态应力应变及随后形成的残余应力，是导致焊接裂纹和接头性能下降的重要因素。
Welding does not occur after pores, collapse, thermal strain and microstructure changes and so on. Significantly reduce post -weld treatment process.
激光焊点直径小、受热范围小，焊后不会出现气孔、塌陷、热应变及金相组织变化等现象，极大减小焊后处理工序。
Stress and strain around welded spot of spot welding structure are analyzed in detail with ANSYS numerical simulation software.
采用A NSYS数值模拟软件，对点焊结构焊点附近的应力应变状况进行了详细的分析。
The results indicate that the FKM based on the inherent strain can predict the deformation of the large welding fabrication.
研究表明，用基于固有应变的弹性板单元有限元法对大型焊接结构的焊后变形预测是可以实现的。
With the increase of the translation velocity of the pin, the flow of the material in friction stir welding becomes faster but the equivalent plastic strain decreases.
随着搅拌头平移速度的增加，垂直于焊缝方向上的截面上，等效塑性应变减小，但是材料的流动速度会随之增加。
In this paper, the problems on compressive plastic deformation in the weld and the principle of welding stress and strain described by d.
讨论了焊缝是否存在压缩塑性变形问题和拉达伊d应力应变原理图存在的问题。
According to the asymmetry welding temperature fields and the rigidity of component when welding, we could think it is inevitable that welding would bring remains-strain and remains-stress.
根据不均匀的焊接温度场和施焊时焊接构件的刚性条件，可以认为焊接残余变形和残余应力是不可避免的。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
Other factors include: welding metallurgy quality, direction of the main strain, ratio of thickness, ratio of intension, location of welding line, displacement of welding line, etc.
铝合金拼焊板技术还存在许多问题，如成形极限、起皱、回弹、焊缝位移、焊接质量等有待研究；
The temperature field of welding workpiece determines the stress field and strain field, and it is also the main factor affecting the weld quality and production rate.
焊接工件的温度场决定了焊接应力场和应变场，是影响焊接质量和生产率的主要因素。
Prediction of welding deformations of stiffened plate based on inherent strain;
提出了基于固有应变对接薄板失稳分析的基本方程。
The stress and strain distribution and evolution during pore deformation are analyzed and various factors influencing the pore closure and welding are examined.
基于数值模拟结果 ，分析了影响空洞闭合的主要因素及其影响规律 ，构造了考虑各种影响因素在内的锻合压下率计算公式。
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。
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。
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