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1·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。

2·The method that on-line identifies parameters of the model through the information of temperature on the welding bead surface and thus increases adaptability of model was discussed in the paper.

本文讨论了用焊道表面的温度信息对多个模型参数进行在线修正，提高计算模型的适应性。

3·Localized heating from the welding process and subsequent rapid cooling induces welding shrinkage stresses along weld bead during welding thin-wall plate and causes structural buckling distortions.

在薄板焊接中，由于局部加热和迅速冷却产生了沿焊缝方向的焊接收缩应力，而导致焊接薄板发生屈曲变形。

4·A method in which a data base and regression will be employed has been studied for predicting weld bead shape and selecting optimum welding parameters in arc welding processes.

本文研究了一种使用数据库及回归分析技术在电弧焊中预测焊道形状及选择最佳焊接参数的方法。

5·Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.

利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。

6·In GMAW welding process, when the welding speed reaches a certain threshold, there will be onset of weld bead undercut defects.

在GMAW焊接过程中，当焊接速度达到某一临界值时会出现咬边缺陷，进一步提高焊接速度就会产生驼峰焊道。

7·The lapping amount of bead is critical not only for the trouble-free operation of three-dimensional welding, but also for the forming accuracy.

焊道搭接量对保证三维堆焊成形过程的顺利进行以及成形件的精度都有较为重要的影响。

8·Welding process get worse with an increase in chromium content and smooth bead turn to be discontinuous.

随铬含量的增加焊道由光滑到不连续，焊接工艺性能变差。

9·It easy to occur defect on the back of bead in pressure pipe TIG welding, which can be solved by using the anti, direction wire feeding method successfully.

压力管道TIG焊在焊接中焊道背部易出现缺陷，用反向送丝的方法成功地解决了这一问题。

10·They work particularly well in the automotive industry for welding components such as chassis and steel wheels, primarily because of their ability to provide a wide bead profile and high travel speed.

得益于其平整焊道以及高速焊接的特点，在汽车自动化工业的汽车底盘、轮盘生产中得到了广泛的应用。