Microstructure of hot-pressed SiC containing Y2O3-SiO2 additives

Hirofumi Inoue; Keiichi Katayama; Toyohiko Yano; Masamitsu Imai

doi:10.14853/pcersj.2004S.0.497.0

Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan

Preprints of Annual Meeting of The Ceramic Society of Japan, 2004

Session ID : 2I06

DOI https://doi.org/10.14853/pcersj.2004S.0.497.0

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Host: The Ceramic Society of Japan

Microstructure of hot-pressed SiC containing Y₂O₃-SiO₂ additives

*Hirofumi Inoue, Keiichi Katayama, Toyohiko Yano, Masamitsu Imai

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Keywords: Silicon Carbide, Liquid Phase Sintering, Hot-pressing

CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

Silicon carbide powders with Y₂O and SiO₂ additives were sintered by hot-pressing at 1950^oC for 1h under a pressure of 40MPa in Ar flow or 1.0MPa Ar atmosphere. The obtained sintered body showed excellent mechanical properties.In this study, microstructure of this ceramics was observed using TEM, and influences of microstructure on mechanical properties are discussed.

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