Effects of coating treatment on mechanical properties of carbon fibres and reinforced silicon carbide composites

被引：0
|
作者：
Li, CJ [1 ]
Yan, LS [1 ]
机构：
[1] Shaanxi NonMet Mat & Technol Inst, Xian 710025, Shaanxi, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2001年 / 17卷 / 11期
关键词：
D O I：
10.1179/026708301101509511
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Three-dimensionally braided carbon fibre reinforced SiC matrix composites have been fabricated and the effects of coating treatment on the mechanical properties have been investigated. It has been found that pyrocarbon coating can improve the strength of the heat treated carbon fibres. When the coating thickness was similar to 0.5 mum, the composites had better mechanical properties: a flexural strength of 643 MPa and a fracture toughness of 17.9 MPa ml(1/2). The composites also exhibited a toughening fracture mode.
引用
收藏
页码：1487 / 1489
页数：3
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