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https://open.uns.ac.rs/handle/123456789/10155
Title: | Influence of discharge energy on machining characteristics in EDM | Authors: | Gostimirović, Marin Kovac P. Sekulic M. Škorić, Branko |
Issue Date: | 1-Jan-2012 | Journal: | Journal of Mechanical Science and Technology | Abstract: | The machining characteristics of electrical discharge machining (EDM) directly depend on the discharge energy which is transformed into thermal energy in the discharge zone. The generated heat leads to high temperature, resulting in local melting and evaporation of workpiece material. However, the high temperature also impacts various physical and chemical properties of the tool and workpiece. This is why extensive knowledge of development and transformation of electrical energy into heat is of key importance in EDM. Based on the previous investigations, analytical dependence was established between the discharge energy parameters and the heat source characteristics in this paper. In addition, the thermal properties of the discharged energy were experimentally investigated and their influence on material removal rate, gap distance, surface roughness and recast layer was established. The experiments were conducted using copper electrode while varying discharge current and pulse duration. Analysis and experimental research conducted in this paper allow efficient selection of relevant parameters of discharge energy for the selection of most favorable EDM machining conditions. © 2012 The Korean Society of Mechanical Engineers and Springer-Verlag Berlin Heidelberg. | URI: | https://open.uns.ac.rs/handle/123456789/10155 | ISSN: | 1738494X | DOI: | 10.1007/s12206-011-0922-x |
Appears in Collections: | FTN Publikacije/Publications |
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