(BQ) The newly engineered metal matrix composite (MMC) of aluminium 7075 reinforced with 10 wt% of B4C particles were prepared by stir casting method. Experiments were carried out by adopting face centered central composite design of response surface methodology. | Available online at Procedia Engineering 38 (2012) 685 – 690 toi uu nhung khong ro rang Open access under CC BY-NC-ND license. 1877-7058 © 2012 Published by Elsevier Ltd. Open access under CC BY-NC-ND license. doi: 686 S. Gopalakannan et al. / Procedia Engineering 38 (2012) 685 – 690 S. Gopalakannan et al. / Procedia Engineering 38 (2012) 685 – 690 687 688 S. Gopalakannan et al. / Procedia Engineering 38 (2012) 685 – 690 S. Gopalakannan et al. / Procedia Engineering 38 (2012) 685 – .