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Self-propagating high-temperature synthesis of the SiC

Published online by Cambridge University Press:  31 January 2011

Osamu Yamada ,
Yoshinari Miyamoto  and
Mitsue Koizumi
Osamu Yamada
Affiliation:
College of General Education, Osaka Industrial University, Daito, Osaka 574, Japan
Yoshinari Miyamoto
Affiliation:
Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567, Japan
Mitsue Koizumi
Affiliation:
Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567, Japan
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Abstract

Self-propagating high-temperature synthesis (SHS), also called combustion synthesis, is useful for fabricating numerous ceramics. In the case of SiC, heat released from the exothermic reaction is not sufficient to completely convert the mixed reactants of constituent elements into SiC in the usual nonadiabatic experimental system. This disadvantage could be overcome by a new ignition process called, the “direct passing method of electric current.” By using this method, stoichiometric fine SiC powder could be obtained rapidly and efficiently with low electric power. This paper also involves the effect of particle size of Si and C initial reactant powders on conversion efficiency into SiC and also on particle size of SiC powder fabricated by this method.

Type
Articles
Information
Journal of Materials Research , Volume 1 , Issue 2 , April 1986 , pp. 275 - 279
Copyright
Copyright © Materials Research Society 1986

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