Title: Optimisation of surface roughness with GA approach in turning 15% SiC_p reinforced AlSi7Mg2 MMC material

Authors: Cihan Ozel, Erol Kilickap

Addresses: Department of Mechanical Engineering, Firat University, Elazig 23119, Turkey. ' Department of Mechanical Engineering, Dicle University, Diyarbakir, Turkey

Abstract: In this study, 15% SiCP reinforced Metal Matrix Composite (MMC) AlSi7Mg2 material was turned by an uncoated WC cutting tool (K10) at cutting speeds of 50, 100 and 150 m/min, feed rates of 0.1, 0.2 and 0.3 mm/rev and depths of cut of 0.5, 1 and 1.5 and surface roughness values have been examined after each workpiece machined. A mathematical expression was derived by means of regression analysis method using the results obtained from the experiments performed under these conditions. Then, with the help of this expression, optimum turning parameters for minimum surface roughness were found via Genetic Algorithm (GA).

Keywords: genetic algorithms; GA; surface roughness; turning; machining parameters; optimisation; metal matrix composites; MMCs; composites machining.

DOI: 10.1504/IJMMM.2006.012354

International Journal of Machining and Machinability of Materials, 2006 Vol.1 No.4, pp.476 - 487

Published online: 06 Feb 2007 *

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