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Effect of Different Dielectric Fluids on Micro EDM of Low Conductivity Ceramic Material RB-SiC

Liew, Pay Jun and Yan , Jiwang and Masaki, Takeshi and Kuriyagawa, Tsunemoto (2012) Effect of Different Dielectric Fluids on Micro EDM of Low Conductivity Ceramic Material RB-SiC. Advanced Materials Research. pp. 529-534. ISSN 10226680

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Abstract

The machining characteristics of reaction bonded silicon carbide (RB-SiC) in micro electrical discharge machining process were studied by using EDM oil, deionized water, and graphite fiber mixed EDM oil as the dielectric fluids. The process performances were measured in terms of material removal rate, surface roughness and surface topography. The effect of deionized water on SUS 304 also was tried and compared with that on RB-SiC. It was found that when graphite fiber mixed EDM oil was used, higher material removal rate, better surface finish and smoother surface topography were obtained compared to that pure EDM oil and deionized water on RB-SiC. Deionized water could produce better form accuracy, however, electrolytic corrosion occurred and small pits were formed around the machining area of RB-SiC. In contrast, electrolytic corrosion was insignificant for SUS 304.

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Divisions: Faculty of Manufacturing Engineering > Department of Manufacturing Process
Depositing User: PAY JUN LIEW
Date Deposited: 16 Dec 2013 05:06
Last Modified: 28 May 2015 03:53
URI: http://eprints.utem.edu.my/id/eprint/8029

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