IMPROVEMENT OF SURFACE QUALITY OF Ti-6Al-4V ALLOY BY POWDER MIXED ELECTRICAL DISCHARGE MACHINING USING COPPER POWDER

IF 10.1 2区工程技术 Q1 ENGINEERING, MECHANICAL

Facta Universitatis-Series Mechanical Engineering Pub Date : 2023-04-10 DOI:10.22190/fume201215042h

R. Haque, M. Sekh, G. Kibria, S. Haidar

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引用次数: 4

Abstract

Electrical Discharge Machining (EDM) is one of the most popular non-conventional machining processes that are being used in many high precision manufacturing industries. To increase the EDM performance, a hybrid technique, namely, powder mixed electrical discharge machining (EDM) (PMEDM) is generally used for getting more precise requirements. In this study, an experimental investigation is carried out in order to explore the machining performance of the PMEDM process on Ti-6Al-4V alloy using copper (Cu) powder in the EDM oil dielectric. Taguchi’s L18 orthogonal array design has been utilized for design of experiments and the analysis of variance (ANOVA) has been performed with the help of Minitab-19 software. The optimal parametric setting of Cu powder mixed EDM has been found utilizing the Taguchi - Grey Relational Analysis (GRA) integrated approach and also validation of optimal parametric setting is done through experimentation. It is a novel approach for machining Ti-6Al-4V alloy by this PMEDM technique in which the surface quality has been improved significantly with the addition of suitable amount of Cu powder into the dielectric medium.

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采用铜粉混合电火花加工改善Ti-6Al-4V合金表面质量

电火花加工(EDM)是一种最受欢迎的非常规加工工艺，在许多高精度制造行业中得到应用。为了提高电火花加工的性能，通常采用混合技术，即粉末混合电火花加工(PMEDM)，以获得更高的精度要求。在本研究中，为了探索在电火花加工油介质中使用铜(Cu)粉末对Ti-6Al-4V合金进行PMEDM加工的性能，进行了实验研究。实验设计采用田口L18正交设计，采用Minitab-19软件进行方差分析(ANOVA)。利用田口-灰色关联分析(GRA)方法找到了铜粉混合电火花加工的最优参数设置，并通过实验对最优参数设置进行了验证。采用PMEDM加工Ti-6Al-4V合金是一种新颖的加工方法，在介质中加入适量的铜粉可显著改善表面质量。

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来源期刊

Facta Universitatis-Series Mechanical Engineering ENGINEERING, MECHANICAL-

CiteScore

14.40

自引率

2.50%

发文量

审稿时长

6 weeks

期刊介绍： Facta Universitatis, Series: Mechanical Engineering (FU Mech Eng) is an open-access, peer-reviewed international journal published by the University of Niš in the Republic of Serbia. It publishes high-quality, refereed papers three times a year, encompassing original theoretical and/or practice-oriented research as well as extended versions of previously published conference papers. The journal's scope covers the entire spectrum of Mechanical Engineering. Papers undergo rigorous peer review to ensure originality, relevance, and readability, maintaining high publication standards while offering a timely, comprehensive, and balanced review process.