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Effect of various dielectric fluids on electric discharge machining (EDM): a review

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Abstract

In the past decades, a lot of experiments have been performed on non-conventional electric discharge machining and also on how different dielectrics influence the machining process, the rate of removal of the metal, and the fineness of the surface. EDM is a metal machining process in which desired shape is obtained by spark generation along with better-finished surface and highly précised work. Dielectrics have a vital role to play in the EDM process as they work as an insulator, helping in spark generation by ionizing. They flush out the material removed which cools the workpiece and provides a better surface finish and higher material removal rate (MRR). It was also observed that selecting different dielectrics, i.e. (hydrocarbon oils, water, and gaseous) and their combination, adding the powder to them gave different results and had a great scope of experiments. This paper presents the literature and research work of various researchers on how the machining parameters and workpiece material gets affected by different dielectrics.

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Authors and Affiliations

  1. Department of Industrial and Production Engineering, Shri G. S. Institute of Technology and Science, Indore, 452003, India

    Krishnakant Dhakar

  2. Department of Mechanical Engineering, National Institute of Technology, New Delhi, 110036, India

    Rahul Kumar, Ankush Katheria, Leeladhar Nagdeve & Harish Kumar

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  1. Krishnakant Dhakar
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Correspondence to Krishnakant Dhakar.

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Dhakar, K., Kumar, R., Katheria, A. et al. Effect of various dielectric fluids on electric discharge machining (EDM): a review. J Braz. Soc. Mech. Sci. Eng. 44, 487 (2022). https://doi.org/10.1007/s40430-022-03778-3

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