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Microwave Processing of Aluminum-Silicon Carbide Cermets

Published online by Cambridge University Press:  25 February 2011

Eric P. Bescher ,
Urmimala Sarkar  and
John D. MacKenzie
Eric P. Bescher
Affiliation:
Department of Materials Science and Engineering, University of California Los Angeles, Los Angeles, CA 90024
Urmimala Sarkar
Affiliation:
Department of Materials Science and Engineering, University of California Los Angeles, Los Angeles, CA 90024
John D. MacKenzie
Affiliation:
Department of Materials Science and Engineering, University of California Los Angeles, Los Angeles, CA 90024
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Abstract

Electromagnetic radiation in the microwave range has been utilized for the fabrication of SiC particulates-reinforced aluminum matrix cermets. Powder mixtures with compositions ranging from 70 wt% Al - 30wt% SiC to 100 wt% Al were placed and processed under protective nitrogen atmosphere in a 750 W multimode cavity operating at 2.45 GHz. Temperatures larger than 800°C have been achieved in a time varying with the mixture composition. Microstructures and some physical properties of the composites are presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 269: Symposium L – Microwave Processing of Materials III , 1992 , 371
Copyright
Copyright © Materials Research Society 1992

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References

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