Development of a novel magnesium-copper based composite with improved mechanical properties
Hassan, S.F. Gupta, M.
Hassan, S.F.
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Abstract
Magnesium based composite with 17.95 wt.% of copper reinforcement was fabricated using an innovative DMD technique followed by hot extrusion. Microstructural characterization of the extruded composite samples showed fairly uniform reinforcement distribution, presence of Mg-Cu based intermetallics, good CuP-Mg interfacial integrity, and the presence of minimal porosity. Mechanical properties characterization revealed that the presence of copper as reinforcement lead to a significant increase in hardness, elastic modulus, 0.2% yield strength and UTS of pure magnesium while the ductility was adversely affected. An attempt is made in the present study to correlate the effect of copper as reinforcement with the microstructural and mechanical properties of magnesium. © 2002 Elsevier Science Ltd. All rights reserved.
Keywords
A. Composites, D. Mechanical properties, D. Microstructure
Source Title
Materials Research Bulletin
Publisher
Series/Report No.
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Date
2002-02-01
DOI
10.1016/S0025-5408(01)00772-3
Type
Article