轴对称件闪光对焊温度场有限元分析

Hot Working Technology(2007)

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Abstract
基于闪光对焊焊接过程的有限元分析,建立了模拟轴对称件温度场的二维热电直接耦合简化模型,分析了接触电阻及相变潜热在模拟过程中的处理方法。整个有限元模拟分析表明,可得到闪光对焊焊接加热过程任一时刻温度分布及任一位置焊接热循环;模拟与实测结果基本相吻合。
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Key words
temperature field,finite element,flash butt welding,simulation
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