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Thermal Model of Rotary Friction Welding for Similar and Dissimilar Metals

机译:相似和不同金属的旋转摩擦焊接热模型

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Friction welding is one of the foremost welding processes for similar and dissimilar metals. Previously, the process has been modeled utilizing the rudimentary techniques of constant friction and slip-stick friction. The motivation behind this article is to present a new characteristic for temperature profile estimation in modeling of the rotary friction welding process. For the first time, a unified model has been exhibited, with an implementation of the phase transformation of similar and dissimilar materials. The model was generated on COMSOL Multiphysics ? and thermal and structural modules were used to plot the temperature curve. The curve for the welding of dissimilar metals using the model was generated, compared and analyzed with that of practical curves already acquired through experimentation available in the literature, and then the effect of varying the parameters on the welding of similar metals was also studied.
机译:摩擦焊接是相似和不相似金属的最重要焊接工艺之一。以前,该过程已使用恒定摩擦力和粘滑摩擦力的基本技术建模。本文的目的是在旋转摩擦焊接过程的建模中提出一种用于温度分布估算的新特性。首次展示了统一模型,其中实现了相似和相异材料的相变。该模型是在COMSOL Multiphysics上生成的?并使用热和结构模块绘制温度曲线。使用该模型生成了异种金属焊接曲线,并将其与通过文献中已有的实验已经获得的实用曲线进行了比较和分析,然后还研究了改变参数对相似金属焊接的影响。

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