Fabrication of 2D C/ZrC-SiC composite and its structural evolution under high-temperature treatment up to 1800 °C

被引：79
作者：
Li, Houbu [1 ]
Zhang, Litong [1 ]
Cheng, Laifei [1 ]
Wang, Yiguang [1 ]
机构：
[1] Northwestern Polytech Univ, Natl Key Lab Thermostruct Composite Mat, Xian 710072, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2009年 / 35卷 / 07期
关键词：
Precursors: organic; Composites; Whiskers; Structural evolution; SILICON-CARBIDE WHISKERS; MATRIX COMPOSITES; SLURRY INFILTRATION; THERMAL-STABILITY; C/SIC COMPOSITES; GROWTH-MECHANISM; FIBER; POLYCARBOSILANE;
D O I：
10.1016/j.ceramint.2009.03.030
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：
Two-dimensional C/ZrC-SiC composites were fabricated by chemical vapor infiltration (CVI) process combined with a modified polymer infiltration and pyrolysis (PIP) method. Two kinds of ZrC slurries (ZrC aqueous slurry and ZrC/polycarbosilane slurry) were employed to densify composites before the PIP process. The as-produced C/ZrC-SiC composites exhibited better mechanical properties than the C/SiC composites densified only by CVI and PIP process. Structural evolution for C/ZrC-SiC composites treated in the range 1200-1800 degrees C mainly consisted of the change of SiC whiskers and the decomposition of polymer derived ceramic. (C) 2009 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：2831 / 2836
页数：6
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