低成本聚硅氧烷制备SiCf/Si-O-C材料性能研究

范真祥; 程海峰; 张长瑞; 唐耿平; 楚增勇; 王军

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航空材料学报 ›› 2006, Vol. 26 ›› Issue (2) : 52-56.

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论文

低成本聚硅氧烷制备SiC_f/Si-O-C材料性能研究

范真祥;程海峰;张长瑞;唐耿平;楚增勇;王军

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Study of Properties of Silicon Carbide Fiber Reinfoced Si-O-C Composites Using Low Cost Polysiloxane

FAN Zhen-xiang;CHENG Hai-feng;ZHANG Chang-rui;TANG Geng-ping;CHU Zeng-yong;WANG Jun

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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,同时测试所得复合材料的弯曲强度、韧性、剪切强度、密度、热膨胀系数、导热系数、耐烧蚀性能。结果表明,SiCf/Si-O—C复合材料具有良好的综合性能。对所得材料微观结构进行分析讨论,发现界面结构与致密度是SiCf/Si-O-C复合材料具有高性能的主要原因。

Abstract

Silicon carbide fiber reinforced siliconoxycarbide(Si-O-C) composites were fabricated via precursor infiltration and pyrolysis using polysiloxane.Flexural strength, tensile strengths, shear strength, dentsity, thermal expansion coefficient, thermal conduction coefficient, ablative properties of SiCf/Si-O-C composites were tested .The results indicated that SiCf/Si-O-C composites had fairly excellent properties.Microstructure and properties of SiCf/Si-O-C composites was discussed, the high properties were mainly attributed to ideal interface structure and density.

导出引用

范真祥;程海峰;张长瑞;唐耿平;楚增勇;王军. 低成本聚硅氧烷制备SiC_f/Si-O-C材料性能研究[J]. 航空材料学报, 2006, 26(2): 52-56

FAN Zhen-xiang;CHENG Hai-feng;ZHANG Chang-rui;TANG Geng-ping;CHU Zeng-yong;WANG Jun. Study of Properties of Silicon Carbide Fiber Reinfoced Si-O-C Composites Using Low Cost Polysiloxane[J]. Journal of Aeronautical Materials, 2006, 26(2): 52-56

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