TY - JOUR
T1 - Middle stage heat treatment for microstructure control of reaction-bonded silicon nitride-silicon carbide composite
AU - Kondo, Naoki
AU - Kaneko, Kenji
AU - Suzuki, Yoshikazu
AU - Ohji, Tatsuki
PY - 2000
Y1 - 2000
N2 - A silicon nitride-silicon carbide composite was fabricated from silicon and carbon powders by reaction-bonding and post-hot-pressing procedures. The fabricated specimens had a nanocomposite-like microstructure with β-silicon nitride and β-silicon carbide. For some specimens, middle-stage heat treatment was applied before hot-pressing, which resulted in microstructure formation with large and elongated silicon nitride grains. With this microstructure, the specimens subjected to the middle stage heat treatment exhibited much higher fracture toughness than those not subjected to it.
AB - A silicon nitride-silicon carbide composite was fabricated from silicon and carbon powders by reaction-bonding and post-hot-pressing procedures. The fabricated specimens had a nanocomposite-like microstructure with β-silicon nitride and β-silicon carbide. For some specimens, middle-stage heat treatment was applied before hot-pressing, which resulted in microstructure formation with large and elongated silicon nitride grains. With this microstructure, the specimens subjected to the middle stage heat treatment exhibited much higher fracture toughness than those not subjected to it.
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U2 - 10.2109/jcersj.108.1257_445
DO - 10.2109/jcersj.108.1257_445
M3 - Article
AN - SCOPUS:0033691736
SN - 1882-0743
VL - 108
SP - 445
EP - 448
JO - Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
JF - Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
IS - 5
ER -