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Evaluation of mechanical characteristics for Aluminum-copper Metal matrix composite

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Author Affiliations

  • 1 Department of Mechanical Engineering, University college of Engineering, JNTUK, Vizianagaram, AP, INDIA

Res. J. Engineering Sci., Volume 3, Issue (3), Pages 1-5, March,26 (2014)

Abstract

The use of high performance materials in both the airframe and propulsion systems enables the modern aircraft to rotate larger degree while retaining its strength. To obtain continual performance, designers are constantly searching for lighter and stronger materials. The attractiveness of aluminum is that it is relatively low cost, light weight metal that can be heat treated to fairly high strength levels and it is one of the most easily fabricated high performance materials, which usually correlates with lower costs. The aluminum-copper and aluminum-zinc alloys are the primary alloys used in airframe structural applications. The aluminum-copper metal matrix composites are used in damage tolerance applications such as the lower wing skins and fuselage structure of commercial aircraft. In the present study, aluminum alloy specimens (6061) will be developed with variations of % of copper in the composition viz., 4%, 6%, 8%, 10% using die casting process. The mechanical properties like tensile strength, hardness, % elongation, impact strength and micro structures analysis will be carried out.

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