Ishfaq, Kashif, Maqsood, Muhammad Asad, Anwar, Saqib, Alfaify, Abdullah and Zia, Abdul Wasy (2022) Analyzing micromachining errors in EDM of Inconel 600 using various biodegradable dielectrics. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 44 (6). p. 249. ISSN 1678-5878
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Abstract
Inconel 600 is a Ni-based superalloy having exclusive properties like high strength and stability in harsh conditions. However, its accurate machining is challenging via conventional cutting methodologies. As a result, the use of electric discharge machining is common in cutting Inconel 600 precisely. But the intrinsic issue of overcut associated with traditional EDM limits its appreciation in cutting Ni-based alloy. Moreover, conventional dielectric oil used in EDM releases hazardous fumes and gases that put the operator’s health at risk. Therefore, in this study, six different biodegradable dielectrics have been investigated for their potential in controlling the dimensional overcut, which have yet to be evaluated thoroughly. The performance of biodegradable dielectrics (canola, amla, olive, sunflower, coconut, and mustard oil) against four types of electrode materials has been evaluated using full factorial design in the EDM of Inconel 600. Experimental findings are analyzed with statistical tests and optical/scanning electron microscopic evidence. The experimental results indicated that canola dielectric yield the smallest dimensional overcut. However, combination of sunflower oil and copper electrode proved as second premier case to reduce the overcut. Compared to the conventionally used kerosene oil, the biodegradable dielectrics (canola and sunflower) display a 63 and 1.2-folds reduction in overcut.
| Item Type: | Article |
|---|---|
| Additional Information: | Funding information: This work was supported by King Saud University through Researchers Supporting [Project numbers RSP-2021/256, 2021]. |
| Uncontrolled Keywords: | EDM, Overcut, Dimensional, Accuracy, Biodegradable, Dielectrics, Inconel |
| Subjects: | H300 Mechanical Engineering |
| Department: | Faculties > Engineering and Environment > Mechanical and Construction Engineering |
| Depositing User: | Elena Carlaw |
| Date Deposited: | 11 May 2022 11:16 |
| Last Modified: | 27 May 2023 08:00 |
| URI: | https://nrl.northumbria.ac.uk/id/eprint/49093 |
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