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首页> 外文期刊>Journal of engineering materials and technology >Metallurgical Phenomena Modeling in Friction Stir Welding of Aluminium Alloys: Analytical Versus Neural Network Based Approaches
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Metallurgical Phenomena Modeling in Friction Stir Welding of Aluminium Alloys: Analytical Versus Neural Network Based Approaches

机译:铝合金搅拌摩擦焊接的冶金现象建模:基于分析和神经网络的方法

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摘要

In this paper, the metallurgical phenomena occurring in friction stir welding processes of AA6082-T6 and AA7075-T6 aluminum alloys are investigated. In particular, to predict the local values of the average grain size, either a simple analytical expression depending on a few material constants or a properly trained neural network is linked to the finite element model of the process. The utilized tools, which take as inputs the local values of strain, strain rate, and temperature, were developed starting from experimental data and numerical results.
机译:本文研究了AA6082-T6和AA7075-T6铝合金在搅拌摩擦焊接过程中发生的冶金现象。特别是,为了预测平均晶粒尺寸的局部值,可以将取决于一些材料常数的简单分析表达式或经过适当训练的神经网络链接到过程的有限元模型。从实验数据和数值结果开始,开发了利用应变,应变率和温度的局部值作为输入的工具。

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