Microstructure of Si3N4-TiN ceramics prepared from Si, TiC and TiO2 mixed powder

被引：1
|
作者：
Miyata, M
Sawai, Y
Yasutomi, Y
机构：
[1] Hitachi Ltd, Hitachi Res Lab, Hitachi, Ibaraki 3191292, Japan
[2] Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4568587, Japan
来源：
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2000年 / 108卷 / 05期
关键词：
Si3N4; TiN; TiO2; TiC; ceramics; composite; microstructure;
D O I：
10.2109/jcersj.108.1257_521
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Si3N4-TiN ceramics prepared from Si, TiC and TiO2 mixed powder compacts were investigated. Si3N4 matrix and TiN particles were formed during the sintering process of the ceramics. TiN particles about 100 nm in diameter were dispersed within beta-Si3N4 matrix particles. Yttrium which originated from the sintering aid (Y2O3) was detected at Si3N4 matrix/TiN particle boundary, when the TiN particles were intragranularly located, It is suggested that the TiN particles were incorporated in the Si3N4 during the alpha-->beta transformation or grain growth of the Si3N4 grains.
引用
收藏
页码：521 / 523
页数：3
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