PREPARATION OF SILICON CARBONITRIDES FROM AN ORGANOSILICON POLYMER .1. THERMAL-DECOMPOSITION OF THE CROSS-LINKED POLYSILAZANE

被引：110

作者：

BAHLOUL, D ^{[1
]}

PEREIRA, M ^{[1
]}

GOURSAT, P ^{[1
]}

CHOONG, NS ^{[1
]}

YIVE, K ^{[1
]}

CORRIU, RJP ^{[1
]}

机构：

[1] UNIV MONTPELLIER,USTI,CNRS,UNITE MIXTE R P,UM 44,F-34095 MONTPELLIER,FRANCE

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1993年 / 76卷 / 05期

关键词：

D O I：

10.1111/j.1151-2916.1993.tb03734.x

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：

The conversion of a solid copolymer (ViSiHNH)x-(MeSiHNH)y into a ceramic was studied in the 20-1450-degrees-C temperature range under different atmospheres (inert or oxidative). The ceramic yield, the ceramic composition, and the gaseous evolution directly depend on the heating rate, the pyrolysis atmosphere, and the duration of pyrolysis. The implications of these observations to the pyrolysis mechanism are discussed. The silicon carbonitride obtained after pyrolysis is amorphous up to 1400-degrees-C with high carbon content. It will be shown in Parts II and III that either SiC or Si3N4 could be selectively crystallized depending upon processing conditions.

引用

页码：1156 / 1162

页数：7

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