Green and Sustainable Experimental Investigations on Superni 909 Using Electrical Discharge Machining

International Journal of Mechanical Engineering

© 2024 by SSRG - IJME Journal

Volume 11 Issue 8

Year of Publication : 2024

Authors : M. Sirisha, S. Gajanana, P. Laxminarayana

10.14445/23488360/IJME-V11I8P107

How to Cite?

M. Sirisha, S. Gajanana, P. Laxminarayana, "Green and Sustainable Experimental Investigations on Superni 909 Using Electrical Discharge Machining," SSRG International Journal of Mechanical Engineering, vol. 11,  no. 8, pp. 58-67, 2024. Crossref, https://doi.org/10.14445/23488360/IJME-V11I8P107

Abstract:

Electrical Discharge Machining (EDM) is an unconventional method used for machining superalloys. These alloys have been widely used in nuclear, aerospace, jet, rocket, turbine, and petroleum plants, among other applications. Despite many advantages, the EDM process has a few disadvantages. It consumes a lot of energy, produces hazardous emissions, has a slow material removal rate, generates toxic dielectric, and increases manufacturing costs. To reduce the machining cost and provide a safe environment, this paper reports the study of using different compositions of Al2021 + Cu tool and using used gear oil and vegetable oil as a dielectric medium in the shaping of superalloy superni 909. The results of different input parameters viz., current, pulse-on-time, pulse-off-time, voltage, and tool on responses material removal rate and electrode wear rate are investigated. The result shows that these alternate electrodes and dielectrics could be used for sustainable EDM processes.

Keywords:

EDM, Dielectrics, Used gear oil, Used vegetable oil, Al2021+Cu tool.

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