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The Effect of Processing Parameters on the Growth Rate and Microstructure of Al2O3/Metal Matrix Composites

Published online by Cambridge University Press:  21 February 2011

Alan S. Nagelberg
Alan S. Nagelberg*
Affiliation:
Lanxide Corporation, 1 Tralee Industrial Park, Newark, DE 19714-6077
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Abstract

Ceramic matrix composites can be formed by the directed oxidation of a doped molten aluminum alloy into an inert reinforcement or filler. The resultant ceramic matrix consists of interconnected Al2O3 and partially interconnected metal. The growth kinetics of this Al2O3 /metal ceramic matrix can be altered by numerous parameters. The effect of the growth atmosphere composition and temperature on the composite growth rate is dependent on the alloy dopant utilized. The ceramic matrix formation rate is also dependent on the alloy composition. Likewise, alloy composition has a profound effect on the mechanical properties and microstructure of the composites produced.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 155: Symposium L – Processing Science of Advanced Ceramics , 1989 , 275
Copyright
Copyright © Materials Research Society 1989

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References

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