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Improvement of MRR and surface roughness during electrical discharge machining (EDM) using aluminum oxide powder mixed dielectric fluid

Khan, Ahsan Ali and Mohiuddin, A. K. M. and Abdul Latif, Muhammad Alif (2018) Improvement of MRR and surface roughness during electrical discharge machining (EDM) using aluminum oxide powder mixed dielectric fluid. In: ICAMME 2017: International Conference on Advances in Manufacturing and Materials Engineering 2017, 8-9 Aug 2017, Kuala Lumpur, Malaysia.

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Abstract

This paper discusses the effect of aluminium oxide (Al₂0₃) addition to dielectric fluid during electrical discharge machining (EDM). Aluminium oxide was added to the dielectric used in the EDM process to improve its performance when machining the stainless steel AISI 304, while copper was used as the electrode. Effect of the concentration of Al₂0₃ (0.3 mg/L) in dielectric fluid was compared with EDM without any addition of Al₂0₃. Surface quality of stainless steel and the material removal rate were investigated. Design of the experiment (DOE) was used for the experimental plan. Statistical analysis was done using ANOVA and then appropriate model was designated. The experimental results show that with dispersing of aluminium oxide in dielectric fluid surface roughness was improved while the material removal rate (MRR) was increased to some extent. These indicate the improvement of EDM performance using aluminium oxide in dielectric fluid. It was also found that with increase in pulse on time both MRR and surface roughness increase sharply.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 3129/61308
Uncontrolled Keywords: electrical discharge machining(EDM), aluminum oxide, dielectric fluid
Subjects: T Technology > TJ Mechanical engineering and machinery
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Prof. Dr. A K M Mohiuddin
Date Deposited: 05 Jan 2018 12:25
Last Modified: 19 Oct 2018 09:22
URI: http://irep.iium.edu.my/id/eprint/61308

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