Fabrication and mechanical properties of SiCf/SiC composites via polycarbosilane pyrolysis

被引：2

作者：

Wang, Yi-Fei ^{[1
]}

Ma, Qing-Song ^{[1
]}

Mu, Jing-Yang ^{[1
]}

Wang, Jun ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Aerosp & Mat Engn, Key Lab Adv Ceram Fibers & Composites, Changsha 410073, Peoples R China

来源：

HIGH-PERFORMANCE CERAMICS IV, PTS 1-3 | 2007年 / 336-338卷

关键词：

SiCf/SiC composites; polycarbosilane; pyrolysis; mechanical properties;

D O I：

10.4028/www.scientific.net/KEM.336-338.1254

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：

Continuous SiC fiber reinforced SiC composites were fabricated by PIP route and their micro-structures and mechanical properties were characterized. The density, flexural strength and fracture toughness of the composites were 1.88 g/cm(3), 307 MPa and 8.24 MPa-m(1/2), respectively. The low mechanical properties were ascribed to low density and strong interfacial bonding. The composites exhibited poor oxidation and thermal shock resistance; however, they showed desirable thermal stability.

引用

页码：1254 / 1256

页数：3

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