Preparation and characterization of C/SiC-ZrB2 composites by precursor infiltration and pyrolysis process

被引：98

作者：

Hu, Haifeng ^{[1
]}

Wang, Qikun ^{[1
]}

Chen, Zhaohui ^{[1
]}

Zhang, Changrui ^{[1
]}

Zhang, Yudi ^{[1
]}

Wang, Jun ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Aerosp & Mat Engn, CFC Lab, Changsha 410073, Hunan, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2010年 / 36卷 / 03期

关键词：

Composites; Mechanical properties; SiC; HIGH-TEMPERATURE CERAMICS; HAFNIUM; FABRICATION; OXIDATION; ZIRCONIUM;

D O I：

10.1016/j.ceramint.2009.11.015

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：

Ultra-high temperature ceramic matrix composites (C/SiC-ZrB2) are prepared by slurry and precursor infiltrations and pyrolysis method. C/SiC-ZrB2 composites with ZrB2 volume content from 10% to 24.6%, have balanced performance of fracture toughness (17.7-8.1 MPa m(1/2)), flexural strength at room temperature (367-163 MPa) and at high temperature (strength retention 74% at 1800 degrees C and over 32% at 2000 degrees C), better oxidation and ablation resistance under oxyacetylene torch environment (recession rate 0.01 mm/s). (C) 2009 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：1011 / 1016

页数：6

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