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Optimization of Friction Spot Welding Process Parameters for AA2198-T8 Sheets

机译:AA2198-T8薄板摩擦点焊工艺参数的优化

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摘要

The present work is aimed at the optimization of friction spot welding process parameters for 3.2mm thick 2198-T8 aluminum alloy sheets; this was performed via a Taguchi-based analysis of the effect of process variables, namely rotation speed, welding time, and plunge depth, on the shear strength of the welded joints. In this study, low or intermediate rotation speed levels showed to be better for the process. Longer welding times and deeper plunge depths led to higher joint strength, although the influence of such parameters is found to be limited above certain values. Hardness profiles and fracture analysis were also performed.
机译:目前的工作旨在优化3.2mm厚2198-T8铝合金薄板的摩擦点焊工艺参数;这是通过基于Taguchi的分析过程变量(即转速,焊接时间和切入深度)对焊接接头的剪切强度的影响来进行的。在这项研究中,低或中等转速水平显示对该过程更好。更长的焊接时间和更深的切入深度导致更高的接头强度,尽管发现这些参数的影响被限制在一定值以上。还进行了硬度分布和断裂分析。

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