| 制备工艺对SiCf/Si-O-C复合材料弯曲强度的影响 |
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| 引用本文： | 范真祥,程海峰,张长瑞,唐耿平,王军. 制备工艺对SiCf/Si-O-C复合材料弯曲强度的影响[J]. 功能材料, 2005, 36(7): 1090-1092 |
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| 作者姓名： | 范真祥 程海峰 张长瑞 唐耿平 王军 |
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| 作者单位： | 国防科学技术大学,航天与材料工程学院国防科技重点实验室,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SiCf／Si-O-C复合材料。研究制备工艺参数模压压力、裂解时升温制度、裂解温度、保温时间对材料的力学性能的影响。通过对复合材料微观结构的分析研究，发现界面结构与致密度是影响SiCf／Si-O-C复合材料性能的主要因素。
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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 弯曲强度 |
| 文章编号： | 1001-9731(2005)07-1090-03 |
| 修稿时间： | 2004-11-22 |
Influence of process on the bending strength of SiCf/Si-O-C composite |
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| FAN Zhen-Xiang,CHENG Hai-feng,ZHANG Chang-rui,TANG Geng-ping,WANG Jun. Influence of process on the bending strength of SiCf/Si-O-C composite[J]. Journal of Functional Materials, 2005, 36(7): 1090-1092 |
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| Authors: | FAN Zhen-Xiang CHENG Hai-feng ZHANG Chang-rui TANG Geng-ping WANG Jun |
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| Abstract: | In this paper,silicon carbide fiber reinforced siliconoxycarbide(Si-O-C) composites were fabricated via precursor infiltration and pyrolysis using polysiloxane.The process parameters such as molding pressure,heating rate,pyrolysizing temperature and holding time were studied.The influence of these parameters on the mechanical properties of the SiC_f/Si-O-C composite was also analyzed.Microstructure and properties of SiC_f/Si-O-C composites was discussed,the high properties were mainly attributed to ideal interfacial structure and density. |
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| Keywords: | silicon oxycarbide polysiloxane precursor infiltration and pyrolysis ceramic matrix composite bending strength |
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