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Surface alloying of Ti-6Al-4V using Cu-TaC composite electrode during electrical discharge machining

Mohammed Baba, Ndaliman and Khan, Ahsan Ali and Ali, M. Y. (2011) Surface alloying of Ti-6Al-4V using Cu-TaC composite electrode during electrical discharge machining. In: Regional Tribology Conference 2011, 22-24 November 2011, Langkawi, Malaysia.

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Abstract

This paper presents investigation on the alloying capability of Cu-TaC electrode during electrical discharge machining (EDM). The electrode produced through powder metallurgy technique was used in machining alpha-beta titanium alloy (Ti-6Al-4V) under different machining conditions. EDM experiments were conducted with distilled water as dielectric fluid. The peak current range of 3.5-5.5A and pulse duration of 3.3 - 5.3μsec were the machining conditions used as variables, while other conditions remained constant. The outputs of this investigation are surface composition, topography and surface roughness of the machined surface. The SEM/EDX results indicate that the machined surface was alloyed with carbides and oxides. Both the topography and surface roughness were found to have been affected by the machining conditions of current and pulse duration.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: 3129/10765
Uncontrolled Keywords: EDM, Surface topography, Surface roughness, Ti-6Al-4V, Surface alloying, CuTaC electrode.
Subjects: T Technology > TS Manufactures > TS200 Metal manufactures. Metalworking
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Prof. Dr. Ahsan Ali Khan
Date Deposited: 16 Dec 2011 16:22
Last Modified: 16 Dec 2011 16:22
URI: http://irep.iium.edu.my/id/eprint/10765

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