Thermal radiation properties of C/SiC composites

Wenming Wu, Laifei Cheng, Wei Wang

科研成果: 期刊稿件文章同行评审

4 引用 (Scopus)

摘要

The total hemisphere emissivity (εH) at 90°C and the normal spectral reflectance at room temperature of 3D C/SiC composites were measured with the steady-state calorimeter method and FTIR, respectively. The effects of the surface morphology, thickness of SiC coating and high temperature oxidation on the thermal radiation properties of 3D C/SiC were investigated. The results show that 3D C/SiC composites have excellent thermal radiation properties and the total hemisphere emissivity attains 0.83. With increasing the SiC coating thickness, the total hemisphere emissivity of 3D C/SiC composites decreases first and increases then. After oxidation, the thermal radiation properties of 3D C/SiC with three character surface remarkably increase.

源语言英语
页(从-至)79-84
页数6
期刊Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica
25
5
出版状态已出版 - 10月 2008

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