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Correction published on 24 March 2022, see Metals 2022, 12(4), 550.
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Article

An Experimental Investigation on the Material Removal Rate and Surface Roughness of a Hybrid Aluminum Metal Matrix Composite (Al6061/SiC/Gr)

by
Mandeep Singh
1,*,
Harish Kumar Garg
2,
Sthitapragyan Maharana
1,
Anchal Yadav
3,
Rasmeet Singh
4,
Pragyansu Maharana
1,
Tien V. T. Nguyen
5,
Sudesh Yadav
6 and
M. K. Loganathan
7
1
School of Mechanical and Mechatronic Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
2
Department of Mechanical Engineering, D.A.V. University Jalandhar, Jalandhar 144001, India
3
School of Chemistry, Monash University, Clayton, VIC 3168, Australia
4
Dr. S.S. Bhatnagar University Institute of Chemical Engineering & Technology, Panjab University, Chandigarh 160014, India
5
Industrial University of Ho Chi Minh City, Ho Chi Minh City 70000, Vietnam
6
Centre for Green Technology, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
7
Department of Mechanical Engineering, The Assam Kaziranga University, Assam 785006, India
*
Author to whom correspondence should be addressed.
Metals 2021, 11(9), 1449; https://doi.org/10.3390/met11091449
Submission received: 11 August 2021 / Revised: 6 September 2021 / Accepted: 7 September 2021 / Published: 13 September 2021 / Corrected: 24 March 2022
(This article belongs to the Special Issue Advances in Lightweight Metal Matrix Composites)
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Abstract

The objective of this paper was to determine the optimum process parameters of an electric discharge machine while machining a new hybrid aluminum metal matrix composite. In this study, a new hybrid aluminum metal matrix composite was prepared, with silicon carbide and graphite particles used as reinforcements, with the help of the stir casting method. The selected electric discharge machining parameters in this study were peak current (I), voltage (V), pulse-on time (Ton), and tool material, while the response parameters were material removal rate and surface roughness. To machine the fabricated samples, two different types of tool materials (copper and brass) were used as electric discharge machine electrodes, and each had a diameter (Ø) of 12.0 mm. The optimal settings of the electric discharge machining parameters were determined through experiments planned, conducted, and analyzed using the Taguchi (L18) technique. An analysis of variance and confirmatory tests were used to check the contribution of each machining parameter. It was found that the material removal rate increased with the increase in pulse-on time and pulse current, whereas the material removal rate decreased with the increase in voltage. On the other hand, reduced surface roughness could only be achieved when current, voltage, and pulse duration were low. It was also found that the selected electric discharge machining electrodes had a significant effect on both the material removal rate and the surface roughness.
Keywords: aluminum metal matrix composite; electric discharge machining; material removal rate; surface roughness aluminum metal matrix composite; electric discharge machining; material removal rate; surface roughness

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MDPI and ACS Style

Singh, M.; Garg, H.K.; Maharana, S.; Yadav, A.; Singh, R.; Maharana, P.; Nguyen, T.V.T.; Yadav, S.; Loganathan, M.K. An Experimental Investigation on the Material Removal Rate and Surface Roughness of a Hybrid Aluminum Metal Matrix Composite (Al6061/SiC/Gr). Metals 2021, 11, 1449. https://doi.org/10.3390/met11091449

AMA Style

Singh M, Garg HK, Maharana S, Yadav A, Singh R, Maharana P, Nguyen TVT, Yadav S, Loganathan MK. An Experimental Investigation on the Material Removal Rate and Surface Roughness of a Hybrid Aluminum Metal Matrix Composite (Al6061/SiC/Gr). Metals. 2021; 11(9):1449. https://doi.org/10.3390/met11091449

Chicago/Turabian Style

Singh, Mandeep, Harish Kumar Garg, Sthitapragyan Maharana, Anchal Yadav, Rasmeet Singh, Pragyansu Maharana, Tien V. T. Nguyen, Sudesh Yadav, and M. K. Loganathan. 2021. "An Experimental Investigation on the Material Removal Rate and Surface Roughness of a Hybrid Aluminum Metal Matrix Composite (Al6061/SiC/Gr)" Metals 11, no. 9: 1449. https://doi.org/10.3390/met11091449

APA Style

Singh, M., Garg, H. K., Maharana, S., Yadav, A., Singh, R., Maharana, P., Nguyen, T. V. T., Yadav, S., & Loganathan, M. K. (2021). An Experimental Investigation on the Material Removal Rate and Surface Roughness of a Hybrid Aluminum Metal Matrix Composite (Al6061/SiC/Gr). Metals, 11(9), 1449. https://doi.org/10.3390/met11091449

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