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Enhancing the mechanical properties of pure aluminum using hybrid reinforcement methodology

Lookup NU author(s): Dr Eugene WongORCiD


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0921-5093In this study, novel aluminum based hybrid composite was synthesized using a cost effective disintegrated melt deposition technique followed by hot extrusion. Coupled use of continuous and interconnected galvanized iron mesh and SiC particulates in aluminum matrix was explored. Microstructural characterization revealed good interfacial integrity between the matrix and reinforcements. Results of thermal mechanical analysis indicate a decrease in the average coefficient of thermal expansion of the aluminum matrix with the use of both singular and hybrid reinforcements. Mechanical characterization studies revealed that the coupled use of galvanized iron mesh and SiC particulates in aluminum matrix led to better improvement in the macrohardness, 0.2% yield strength and UTS when compared to unreinforced aluminum and singularly reinforced composites. An attempt is made to correlate the presence of hybrid reinforcements in the aluminum matrix with the physical and mechanical behavior of the end composite.

Publication metadata

Author(s): Wong WLE, Gupta M, Lim CYH

Publication type: Article

Publication status: Published

Journal: Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing

Year: 2006

Volume: 423

Issue: 1-2

Pages: 148-152

ISSN (print): 0921-5093

ISSN (electronic): 1873-4936

Publisher: Elsevier SA


DOI: 10.1016/j.msea.2005.09.122


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