Fabrication and characterization of in-situ grown carbon nanotubes reinforced SiC/SiC composite

被引：20

作者：

Zhao, Shuang ^{[1
]}

Yang, Zichun ^{[1
]}

Zhou, Xingui ^{[2
]}

Sun, Ke ^{[2
]}

机构：

[1] Naval Univ Engn, Inst High Temp Struct Composites Ship, Wuhan 430033, Peoples R China

[2] Natl Univ Def Technol, Sci & Technol Adv Ceram Fibers & Composites Lab, Changsha 410073, Hunan, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2016年 / 42卷 / 07期

关键词：

Precursors: organic; Composites; Mechanical properties; SiC; Carbon nanotube; MECHANICAL-PROPERTIES; MATERIALS SCIENCE; SILICON-CARBIDE;

D O I：

10.1016/j.ceramint.2016.03.034

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：

Nickel nanoparticles, to be used as catalysts for carbon nanotube (CNT) growth, were deposited on SiC fabric using four different methods vacuum impregnation, homogeneous precipitation, electrodeposition and autocatalytic plating. Results showed that suitable catalyst particles were produced by the vacuum impregnation process. The growth of CNTs was performed via a thermal chemical vapor deposition (CVD) process. A SiC/SiC composite was then fabricated by polymer impregnation and pyrolysis (PIP), by using the fiber fabric with insitu grown CNTs. The CNTs did not exert a marked influence on the density, porosity and thermal conductivity of the SiC/SiC composite. However, its mechanical properties were improved significantly, due to the weakening of the fiber-matrix interphase and the CNT reinforcement. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：9264 / 9269

页数：6

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