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Synthesis and Properties of In-Situ MoSi2/SiC Composites

Published online by Cambridge University Press:  25 February 2011

S. Jayashankar
Affiliation:
Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611
S.E. Riddle
Affiliation:
Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611
M. J. Kaufman
Affiliation:
Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611
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Abstract

Compositionally-tailored, silica-free, MoSi2/SiC composites with SiC content ranging from 0 to 40 percent were synthesized through a novel processing scheme involving mechanical alloying and in-situ reactions for the formation of the reinforcement. Room temperature indentation fracture toughness and hardness measurements were obtained from these silica-free composites and were compared with values obtained from silica-containing, conventionally-processed MoSi2/SiC composites.

Type
Research Article
Copyright
Copyright © Materials Research Society 1994

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