摘要
以三维碳纤维编织物和硅树脂(SR249)为原料,采用先驱体转化法(PIP)制备了Cf/Si-O-C复合材料,考察了浆料中SiC粉含量对Cf/Si-O-C的结构与性能的影响。结果表明:由于浆料中SiC粉含量的不同,复合材料的性能与结构具有明显差异。随着浆料中SiC粉含量的增加,Cf/Si-O-C材料的气孔率降低,纤维/基体界面结合减弱,导致其力学性能有明显提高。
Carbon fiber reinforced silicon oxycarbide composites （Cf/Si-O-C） were fabricated via precursor infiltration and pyrolysis using polysiloxane （SR249） as precursor and carbon fiber as reinforcements. The effect of SiC powder content in slurry on the mechanical properties and microstructure of 3D-Cf/Si-O-C was investigated. The composite which was infiltrated by slurry with SiC powder shows significant increase in strength and toughness, likely because of low porosity and weak bonding between the fiber and matrix.
出处
《硅酸盐通报》
CAS
CSCD
北大核心
2009年第B08期122-125,共4页
Bulletin of the Chinese Ceramic Society
