Author： Guu Y. H. Tsai Kuan-Lin Chen Lin-Ke
Publisher： Taylor & Francis Ltd
ISSN： 1042-6914
Source： Materials and Manufacturing Processes, Vol.22, Iss.1, 2007-01, pp. : 66-70
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Abstract
The objective of this research is to investigate the machining characteristics of manganese-zinc (Mn-Zn) ferrite magnetic material using electrical-discharge machining (EDM). The material removal rate, the surface topography, the surface roughness, the recast layer, and the chemical composition of the machined surface were studied in terms of EDM processing variables. Experimental results indicate that the morphology of debris revealed the mechanism of material removal. The surface microgeometry characteristics are not always uniform and homogenous and the EDM process produces much damage on the machined surface. The material removal rate, the surface roughness, and the recast layer are proportional to the applied discharge energy.
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