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首页> 外文期刊>Journal of Materials Science >THERMOPHYSICAL PROPERTIES OF CERAMIC MATRIX COMPOSITES PRODUCED BY POLYMER PYROLYSIS
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THERMOPHYSICAL PROPERTIES OF CERAMIC MATRIX COMPOSITES PRODUCED BY POLYMER PYROLYSIS

机译：聚合物热解法制备陶瓷基复合材料的热物理性质

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摘要

A unidirectional composite and a series of bidirectionally reinforced composites were fabricated using carbon fibre reinforcement in a silicon carbide matrix, which was produced by the pyrolysis of a polymer precursor. The thermal expansion over the temperature range 20-1000 degrees C has been measured and the thermal diffusivity measured over the temperature range 200-1200 degrees C. Thermal diffusivity data was converted to conductivity data using measured density and literature specific heat data. Metallographic examination has been carried out on the composites and the results are discussed in terms of the observed microstructural features. [References: 25]
机译：在碳化硅基体中使用碳纤维增强材料制备了单向复合材料和一系列双向增强复合材料，该材料是通过聚合物前驱体的热解制备的。已经测量了在20-1000摄氏度的温度范围内的热膨胀，并在200-1200摄氏度的温度范围内测量了热扩散率。使用测得的密度和文献比热数据将热扩散率数据转换为电导率数据。对复合材料进行了金相检查，并根据观察到的微观结构特征讨论了结果。 [参考：25]

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