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Effect of Micro-EDM Parameters on Material Removal Rate of Nonconductive ZrO2 Ceramic

Maleque, Md. Abdul and Sabur, Abdus and Moudood, Abdul and Ali, Mohammad Yeakub (2014) Effect of Micro-EDM Parameters on Material Removal Rate of Nonconductive ZrO2 Ceramic. Applied Mechanics and Materials, 465. pp. 1329-1333. ISSN 1660-9336

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Micro-electro discharge machining (micro-EDM) technique, an advanced noncontact machining process, is used for structuring of nonconductive ZrO2 ceramic. In this study copper foil as a conductive layer is adhered on the workpiece surface to initiate the sparks and kerosene is used as dielectric for creation of continuous conductive pyrolytic carbon layer on the machined surface.Voltage (V) and capacitance (C) are considered as the parameters to investigate the process capability of machining parameters in continuous micro-EDM of ZrO2. Different voltage pulses are studied to examine the causes of lower material removal rate (MRR) in micro-EDM of nonconductive ceramics. The results showed that in micro-EDM of ZrO2 MRR increases with the increase of voltage and capacitance initially, but decreases at higher values and no significant materials are removed at capacitances higher than 1nF.

Item Type: Article (Journal)
Additional Information: 6103/33960
Uncontrolled Keywords: Assisting Electrode, Micro-Electro Discharge Machining, Nonconductive Ceramic, Pyrolytic Carbon
Subjects: T Technology > T Technology (General) > T11.95 Industrial directories
T Technology > T Technology (General) > T173.2 Technological change
T Technology > TJ Mechanical engineering and machinery > TJ1125 Machine shops and machine shop practice
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. Md Abdul Maleque
Date Deposited: 08 Jan 2014 11:28
Last Modified: 19 Sep 2017 11:06
URI: http://irep.iium.edu.my/id/eprint/33960

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