PREPARATION AND CHARACTERIZATION OF C/SiC-ZrB2 COMPOSITES VIA PRECURSOR INFILTRATION AND PYROLYSIS PROCESS

被引：0
|
作者：
Wang, Jun [1 ]
Hu, Haifeng [1 ]
Zhang, Yudi [1 ]
Wang, Qikun [1 ]
He, Xinbo [2 ]
机构：
[1] Natl Univ Def Technol, Coll Aerosp & Mat Engn, CFC Lab, Changsha, Hunan 410073, Peoples R China
[2] Beijing Univ Sci & Technol, Inst Powder Met, Beijing 100083, Peoples R China
来源：
CERAMIC MATERIALS AND COMPONENTS FOR ENERGY AND ENVIRONMENTAL APPLICATIONS | 2010年 / 210卷
基金：
中国国家自然科学基金;
关键词：
HIGH-TEMPERATURE CERAMICS; FABRICATION; OXIDATION;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Ultra-high temperature ceramic matrix composites (C/SiC-ZrB2) are prepared by slurry infiltration and precursor infiltration and pyrolysis method. C/SiC-ZrB2 composites with ZrB2 volume content from 10% to 24.6%, have balanced performance of fracture toughness (17.7-8.1MPa-m(1/2)), flexural strength at room temperature (366.7-162.8MPa) and at high temperature (strength retention 74.1% at 1800 degrees C and over 31.8% at 2000 degrees C), better anti-oxidation, anti-ablation under oxyacetylene torch environment (recession rate 0.01mm/s).
引用
收藏
页码：467 / +
页数：2
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