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VNUHCM Journal of

Science and Technology Development

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam since 1997

ISSN: 1859-0128
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Investigation into effects/Investigating the effects of titanium powder concentrations mixed in dielectric fluid on material machining removal and surface roughness of SKD61 steel after electrical discharge machining by reverse electrode polarity

Long Tien Banh 1, *
Cuong Ngo 2
Phan Huu Nguyen 2

  1. Hanoi University of Science and Technology, Hanoi, Vietnam
  2. College of Economics and Technology - TNU
Correspondence to: Long Tien Banh, Hanoi University of Science and Technology, Hanoi, Vietnam. Email: pvphuc@vnuhcm.edu.vn.
Volume & Issue: Vol. 18 No. 2 (2015) | Page No.: 43-51 | DOI: 10.32508/stdj.v18i2.1058
Published: 2015-06-30

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Copyright © 2015 by the author(s).

Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

Electrical discharge machining (EDM) has found widespread applications in tool , mold and aerospace industries. Therefore, enhancement of the quality of the EDM process has become a major research concern. In this paper, the effect of various titanium powder concentrations on the Material Removal Rate (MRR), tool wear rate (TWR), surface roughness (Ra) in powder mixed electrical discharge machining (PMEDM) have been studied. The workpiece is SKD61steel and electrode made from copper with reverse polarity were used in experimental study. The results showed that titanium powder mixed into the dielectric fluid of EDM can enhance MRR without increasing TWR and Ra.

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