Abstract
Electrical Discharge Machining (EDM) removes material by melting and vaporization as consequence of high temperatures generated by high-frequency electrical discharges. This result changes the material integrity, due to the production of an affected layer and micro-cracks. In this study, the integrity generated by the use of unilateral side flushing in EDM was evaluated. The experiment consisted of machining square cavities with different parameters. Analysis of texture, roughness, affected layer and micro-hardness were investigated. The results show variations in the thickness of the affected layer at different positions of the machined cavity and showed changes with machining conditions along the flushing path.
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