1 METAL MATRIX COMPOSITE PRODUCTION AND CHARACTERISATION OF ALUMINIUM-FLY ASH COMPOSITE USING STIR CASTING METHOD A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF Bachelor of Technology In Metallurgical & Materials Engineering By SUDIPT KUMAR (10404002) J.ANANDA THEERTHAN (10304037) Department of Metallurgical & Materials Engineering National Institute of Technology Rourkela 2008