| 惰性填料对SiCf/Si-O-C陶瓷材料的性能影响 |
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| 引用本文： | 范真祥,程海峰,张长瑞,唐耿平,楚增勇,王军.惰性填料对SiCf/Si-O-C陶瓷材料的性能影响[J].国防科技大学学报,2005,27(3):20-24. |
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| 作者姓名： | 范真祥 程海峰 张长瑞 唐耿平 楚增勇 王军 |
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| 作者单位： | 国防科技大学,航天与材料工程学院,湖南,长沙,410073 |
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| 摘 要： | 以聚硅氧烷为先驱体,采用先驱体转化法制备了SiCf/S i-O-C陶瓷复合材料.研究了惰性填料(SiC、SiO2及SiO2空心微珠)对材料的力学性能及热性能的影响.微观结构的分析表明,填料引起的界面结构与密度的变化是影响SiCf /Si-O-C复合材料性能的主要原因.
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| 关 键 词： | Si-O-C 聚硅氧烷 先驱体转化 陶瓷基复合材料 惰性填料 |
| 文章编号： | 1001-2486(2005)03-0020-05 |
| 收稿时间： | 2004/11/25 0:00:00 |
| 修稿时间： | 2004年11月25 |
Influence of the Inert Fillers on the Properties of SiCf/Si-O-C Ceramic Composite |
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| FAN Zhenxiang,CHENG Haifeng,ZHANG Changrui,TANG Gengping,CHU Zengyong and WANG jun.Influence of the Inert Fillers on the Properties of SiCf/Si-O-C Ceramic Composite[J].Journal of National University of Defense Technology,2005,27(3):20-24. |
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| Authors: | FAN Zhenxiang CHENG Haifeng ZHANG Changrui TANG Gengping CHU Zengyong and WANG jun |
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| Institution: | College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | Silicon carbide fiber reinforced siliconoxycarbide (SiC_f/Si-O-C) ceramic composites were fabricated via precursor infiltration and pyrolysis using polysiloxane. The effects of the inert fillers (IF) SiC, SiO_2 and SiO_2 cenosphere on flexural strength, density, coefficient of heat conductivity of SiC_f/Si-O-C composites were studied. Microstructure analysis shows that the properties are mainly influenced by the inner fillers due to the interface structure and the relative density. |
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| Keywords: | siliconoxycarbide polysiloxane precursor infiltration and pyrolysis ceramic matrix composite inert filler |
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