The reasons for different mode of welding residual stress distribution and influence of flame curving on steel structure are discussed.
简要阐明了造成不同焊缝应力分布的原因及火工校弯成形工艺对构件残余应力分布的影响。
Cold-formed steel cross section on the residual stress distribution is curved, and hot rolling steel or steel section on welding residual stress distribution is a thin film type.
冷弯薄壁型钢截面上的残余应力分布是弯曲型的，而热扎型钢或焊接型钢截面上残余应力分布是薄膜型。
In this paper the effect of strength matching of welded joint on welding residual stress distribution in plate welded joints was studied by an thermal elastoplastic finite element method.
采用热弹塑性有限元方法，对平板对接接头中焊缝金属强度组配对焊接残余应力分布的影响进行了研究。结果表明，对于高组配接头，纵向残余应力的峰值接近焊缝金属的屈服极限，出现在焊缝中心。
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。
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。
Affected by the geometry of box-section, the residual stress distribution of plate with welding passes is different from that of another plate.
受厚板截面本身的几何形状所影响，箱形截面有焊缝一侧壁板与另一侧壁板残余应力分布及大小有明显的不同。
The paper introduces the test of welding residual stress in weldment of constructional machinery and its distribution law.
通过测试工程机械结构件焊接残余应力，分析其分布特点；
The measurement of residual stress of electron beam welding need to expend great cost, so it is important to numerically simulate the value and distribution of welding residual stresses.
电子束焊接残余应力的实测需要花费大量成本，因此采用数值模拟其焊接残余应力的大小和分布具有重要意义。
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。
The frame material and the welding procedure can be set according to the pre-judgement carried out by combining the CAE analysis with the residual stress distribution before welding.
在进行跑车试验前，先检查焊接质量，如焊接接头所包括的焊缝、熔合区和热影响区等，以设定整个工艺流程；
The experimental on residual stress of welding joints indicates that the longitudinal residual stress distribution can be obtained.
该方法应用于实际焊缝应力的测量取得了良好的效果。
The experimental on residual stress of welding joints indicates that the longitudinal residual stress distribution can be obtained.
该方法应用于实际焊缝应力的测量取得了良好的效果。
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