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Using microwaves to synthesize pure aluminum and metastable Al/Cu nanocomposites with superior properties

Lookup NU author(s): Dr Eugene WongORCiD


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The processing of aluminum using powder metallurgy techniques is a challenging task due to the presence of thin oxide films on the surface of the metal particles which prevent strong bonding between particles during sintering. In this study, an innovative hybrid microwave sintering technique is utilized to process pure aluminum and Al/Cu nanocomposites without the need of any protective atmosphere. Hybrid microwave sintering involves the heating of aluminum compacts using both microwave energy and radiant heating. Significant savings in time and energy can be achieved using the fabrication methodology. Results revealed that processing methodology used in this study provides a simple and inexpensive option to existing processing methodologies to synthesize pure Al and Al/Cu nanocomposites with superior combination of properties.

Publication metadata

Author(s): Nawathe S, Wong WLE, Gupta M

Publication type: Article

Publication status: Published

Journal: Journal of Materials Processing Technology

Year: 2009

Volume: 209

Issue: 10

Pages: 4890-4895

ISSN (print): 0924-0136

ISSN (electronic): 1873-4774

Publisher: Elsevier SA


DOI: 10.1016/j.jmatprotec.2009.01.009


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