Experimental investigations of chemo-ultrasonic assisted magnetic abrasive finishing process
by Nitesh Sihag; Prateek Kala; Pulak M. Pandey
International Journal of Precision Technology (IJPTECH), Vol. 5, No. 3/4, 2015

Abstract: Chemo-ultrasonic assisted magnetic abrasive finishing (CUMAF) is a compound finishing process, which integrates the use of chemo-mechanical polishing (CMP), ultrasonic vibrations and magnetic abrasive finishing (MAF), to finish surfaces up to nanometre order within a short span of time. The present work is focused on design and fabrication of experimental set up to perform CUMAF. Using the developed set up, experiments were conducted on copper alloy work piece and the effects of five process parameters on percentage change in average surface roughness value (ΔR_a) was recorded. The experiments were planned using response surface methodology. Experimental data were analysed using analysis of variance to understand contribution of various process factors and interactions on process response. Regression model was developed to predict the percentage change in surface roughness in terms of significant process factors and interactions. Further the developed model was validated and optimised using genetic algorithm to maximise the performance of the developed process.

Online publication date: Wed, 23-Dec-2015

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