The Mechanical Characterization of Al₂O₃ Reinforced AL6061 Metal Matrix Composite

Abstract:

The aluminium based composites are increasingly being used in the transport, aerospace, marine, automobile and mineral processing industries. The widely used reinforcing materials for these composites are silicon carbide, aluminium oxide and graphite in the form of particles or whiskers. In this study Al6061-6 & 4wt% Al₂O₃ based metal matrix composite were produced by mechanical stir casting process. The obtained cast metal matrix composite is carefully machined to prepare the test specimens for hardness, tensile as well as fracture toughness studies as per ASTM standards. The hardness, tensile strength and fracture toughness properties of Al6061-Al₂O₃ composites are explored experimentally. Finally compare the material characterization with heat treatment process sample and compare the fracture toughness of sample with mathematical approach, experimental and finite element method.

• Periodical: Applied Mechanics and Materials (Volumes 766-767)
• Pages: 257-262
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.766-767.257
• Online since: June 2015
• Authors: P. Mohan*, M. Kathirvel, N. Azhagesan, M. Sivapragash
• Keywords: Al6061-Al₂O₃, Finite Element Analysis, Fracture Toughness, Hardness, Metal Matrix Composite, Tensile

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