A comparative study on work surface hardness EDMed by Ta-C powder compacted and copper electrodes

Khan, Ahsan Ali and Nazi Nadin, Mohd Faiz and Mohd Hambiyah, Mohammad Azhadi (2011) A comparative study on work surface hardness EDMed by Ta-C powder compacted and copper electrodes. In: Advanced Machining Processes. International Islamic University Malaysia, Kuala Lumpur, Malaysia, pp. 59-64. ISBN 9789674181628

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Abstract

Abstract. Tantalum-carbide and solid copper electrodes were used to EDM mild steel. Current, spark on-time and off-time were taken as the machining variables. It was found that work surface hardness increases while machining with high current and on-time. However, increase in spark off-time results decrease in work surface hardness. It was also found that the surface machined with pure copper electrodes is harder than that machined by tantalum-carbide powder metallurgy compacted electrodes.

Item Type:	Book Chapter
Additional Information:	3129/25556
Uncontrolled Keywords:	EDM, tantalum-carbide, copper, electrode; hardness
Subjects:	T Technology > TS Manufactures > TS200 Metal manufactures. Metalworking
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User:	Prof. Dr. Ahsan Ali Khan
Date Deposited:	24 Sep 2012 16:23
Last Modified:	24 Sep 2012 16:26
URI:	http://irep.iium.edu.my/id/eprint/25556

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