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Electrical discharge machining pulse power generator to machine micropits of hip implant

Mahmud, Nazriah and Yahya, Azli and Abdul Kadir, Mohammed Rafiq and Samion, Syahrullail and Safura, Nor Liyana (2012) Electrical discharge machining pulse power generator to machine micropits of hip implant. In: 2012 International Conference on Biomedical Engineering, ICoBE 2012. IEEE, New York, USA, pp. 493-497. ISBN 978-145771989-9

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Official URL: http://dx.doi.org/10.1109/ICoBE.2012.6179066

Abstract

Electrical Discharge Machining is a non-contact machining process for shaping and forming deep and complex-shaped holes for all kinds of electro-conductive materials regardless of their hardness. Recently, a demand in micro machining has extended into biomedical application for lubrication of artificial human joint. A micro pits formation is therefore proposed for lubrication purpose, which eventually prolong the lifespan of the hip implant. In this case, particular size of crater in micro will be developed in various positions and depth on the artificial joint surface to ease friction between metal joint. Therefore, this paper proposes a new design of Pulse Power Generator by considering the optimum material removal rate, the relative wear ratio, the surface crack density and the surface finish quality of the workpiece produced.

Item Type:Book Section
Additional Information:Indexed by Scopus
Uncontrolled Keywords:electrical discharge machine, micro machining, micropits, power supply
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Biosciences and Medical Engineering
ID Code:35758
Deposited By:INVALID USER
Deposited On:30 Oct 2013 08:30
Last Modified:02 Feb 2017 13:50

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