Optimization of the RFW Process Parameters by Using the Taguchi Method for the Ti6Al4V grade-5 alloy

IF 1.1 Q3 METALLURGY & METALLURGICAL ENGINEERING Acta Metallurgica Slovaca Pub Date : 2023-09-25 DOI:10.36547/ams.29.3.1883

Houssem Eddine Lakache, Abdelghani May, Riad Badji

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Abstract

The primary goal of this study is to implement the Rotary Friction Welding (RFW) process to join similar Ti6Al4V welds. The experimental procedure involves the deliberate manipulation of input parameters, including rotational speed, friction pressure, and friction time, through the utilization of Taguchi's L9 orthogonal array methodology. This approach is facilitated using the MINITAB software to generate a visual representation of the response chart. The primary focus of the investigation centers on the assessment of the Ultimate Tensile Strength (UTS) of the welded joint, serving as the selected output parameter. The central objective is to identify the optimal RFW conditions that lead to the highest achievable UTS. Furthermore, by conducting thorough statistical analysis of variance (ANOVA), the most influential process parameter is identified and analyzed. The concluding phase involves the development of a comprehensive regression equation governing the UTS for the titanium alloy. The accuracy and reliability of this equation are then validated through rigorous experimental tests and the corresponding observed values.

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Ti6Al4V 5级合金RFW工艺参数的田口法优化

本研究的主要目标是实施旋转摩擦焊(RFW)工艺来连接类似的Ti6Al4V焊缝。实验过程包括有意操纵输入参数，包括转速、摩擦压力和摩擦时间，通过使用田口的L9正交阵列方法。使用MINITAB软件生成响应图的可视化表示，方便了这种方法。研究的主要重点是焊接接头的极限抗拉强度(UTS)的评估，作为选择的输出参数。中心目标是确定导致最高可实现UTS的最佳RFW条件。此外，通过进行全面的方差统计分析(ANOVA)，识别和分析最具影响力的过程参数。最后阶段涉及发展一个控制钛合金UTS的综合回归方程。然后通过严格的实验测试和相应的观测值验证了该方程的准确性和可靠性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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