SYNTHESIS AND CHARACTERIZATION OF BETA'-SIAION CERAMICS FROM ORGANOSILICON POLYMERS

被引：26

作者：

SORARU, GD ^{[1
]}

RAVAGNI, A ^{[1
]}

CAMPOSTRINI, R ^{[1
]}

BABONNEAU, F ^{[1
]}

机构：

[1] UNIV PARIS 06,F-75230 PARIS 05,FRANCE

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1991年 / 74卷 / 09期

关键词：

D O I：

10.1111/j.1151-2916.1991.tb08288.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：

A polycarbosilane has been modified with aluminum alkoxide to obtain a new preceramic compound. The pyrolysis in NH3 flow of this polyaluminocarbosilane leads to the formation of an amorphous Si-Al-O-N phase. The nitridation process has been followed by IR and Si-29 MAS-NMR spectroscopies. A fine-grained beta'-SiAlON ceramic is obtained by firing the amorphous phase at 1500-degrees-C. The crystallization process has been studied by XRD, Si-29 MAS-NMR, and TEM techniques.

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页码：2220 / 2223

页数：4

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