Fabrication and Properties of Cf/SiC-ZrC Composites

被引:0
|
作者
Wang, Zhen [1 ,2 ]
Dong, Shaoming [1 ]
Zhang, Xiangyu [1 ]
Zhou, Haijun [1 ,2 ]
Wu, Dingxing [1 ,2 ]
Zhou, Qing [1 ,2 ]
Jiang, Dongliang [1 ]
机构
[1] Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
[2] Institute of Graduate, Chinese Academy of Sciences, Beijing 100039, China
来源
Journal of the American Ceramic Society | 2008年 / 91卷 / 10期
关键词
ZrC particles are introduced into carbon fiber reinforced ceramic matrix composites to improve their high-temperature performances. Composites without interphases have higher densities than those with interphases and most ZrC particles remain in the fiber interbundle areas. All composites show typical noncatastrophic fracture behavior regardless of the existence of the interphases. However; the addition of interphases will increase the bending strength and the length of fiber pullouts. A bending strength of 74915 MPa is achieved when ∼100 nm PyC interphase is deposited. The surfaces of pulled-out fibers without interphases are rough; while those with interphases are smoother. For composites with PyC/SiC interphase; the pulled-out fibers keep their original surface morphology. © 2008 The American Ceramic Society;
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页码:3434 / 3436
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