Welding temperature distribution was effected by the effective heated radius of the arc regulated by different external longitudinal magnetic intensity.
外加纵向磁场可以改变电弧加热有效半径进而影响焊接温度场分布。
By comparing the data of computation and experiment, it shows that this is a practical method which could be used for predicting welding temperature distribution.
表明本计算方法能够准确计算焊接温度场，是一种实用的工程计算方法。
In the process of DC upset butt welding, the joint quality was strongly effected by the temperature distribution in the direction of the plate width.
板材直流电阻对焊过程中，对接端面沿板宽方向的温度分布对焊接接头的质量有很大的影响。
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