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Open AccessArticle

Interplay of Process Variables in Magnetic Abrasive Finishing of AISI 1018 Steel Using SiC and Al2O3 Abrasives

1
School of Engineering, University of South Australia, Mawson Lakes, SA 5095, Australia
2
Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
*
Author to whom correspondence should be addressed.
J. Manuf. Mater. Process. 2019, 3(2), 29; https://doi.org/10.3390/jmmp3020029
Received: 29 December 2018 / Revised: 19 March 2019 / Accepted: 23 March 2019 / Published: 28 March 2019
(This article belongs to the Special Issue Surface Integrity in Machining)
This paper investigates the underlying interplay between the key process parameters of magnetic abrasive finishing (MAF) in improving surface quality. The five process parameters considered were the working gap, rotational speed, feed rate, abrasive amount, and abrasive mesh when MAFed independently with two abrasive particles—SiC and Al2O3. A series of experiments were conducted with an in-house built MAF tool. Based on the main effect results, a model predicting roughness reduction was developed. Results show that surface quality improvement and the underlying dominant process parameters seem unique to the abrasive type used. When MAFed with SiC, the abrasive quantity and rotational speed influence the most. On the other hand, when MAFed with Al2O3, the trend is different to SiC, i.e., the abrasive mesh size and the working gap are dominant. The prediction model was well validated by independent experiments, indicating its accuracy in estimating and optimizing the process outcome. MAF is a simple process with a complex interplay between parameters. This is very crucial when abrasive type, size, and amount to be used are concerned, which warrants a deeper investigation in terms of underlying dynamics, interactions, and the deformation of abrasive, magnetic, and workpiece materials. View Full-Text
Keywords: magnetic abrasive finishing; surface roughness; mathematical modeling; material removal mechanism magnetic abrasive finishing; surface roughness; mathematical modeling; material removal mechanism
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Uddin, M.S.; Santos, V.; Marian, R. Interplay of Process Variables in Magnetic Abrasive Finishing of AISI 1018 Steel Using SiC and Al2O3 Abrasives. J. Manuf. Mater. Process. 2019, 3, 29.

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