高导热C/ C 复合材料的发展现状 |
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引用本文: | 孔 清 樊 桢 余立琼 冯志海. 高导热C/ C 复合材料的发展现状[J]. 宇航材料工艺, 2014, 44(1) |
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作者姓名: | 孔 清 樊 桢 余立琼 冯志海 |
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作者单位: | 航天材料及工艺研究所,先进功能复合材料技术重点实验室,北京 100076 |
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摘 要: | 高导热C/ C 复合材料具有高热导率、低密度、低热胀系数和高温下高强度等性能,成为近年来最 具发展前景的散热材料之一。本文综述了国内外高导热C/ C 复合材料的发展现状,分析了C/ C 复合材料的热 物理性能及影响其热导率的因素,介绍了C/ C 复合材料的导热机理、碳纤维、基体炭的导热性能,以及高导热 C/ C 复合材料的制备和改性等。
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关 键 词: | C/ C 复合材料 热导率 碳纤维 导热机理 |
Progress of High-Thermal Conductivity Carbon/ Carbon Composites |
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Abstract: | Carbon/ carbon composites are attractive candidates for heat dissipation due to their high thermal conductivity, low density, low dilatability and excellent mechanical properties. The paper summaries the research and development of high-thermal conductive C/ C composites domestic and overseas, the thermophysical properties of C/ C composites and the factors affecting on thermal conductivity are discussed. The thermal conductive mechanism of C/ C composites,carbon fibers and matrix carbon are introduced, and the preparation and modification of C/ C composites are also recommended. |
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Keywords: | C/ C composites Thermal conductivity Carbon fiber Thermal conductive mechanism |
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