The total hemisphere emissivity at 90℃ and the normal spectral reflectance at room temperature of C/SiC composites were measured by using steady-state calorimeter method and Fourier infrared spectrometer(FTIR) respectively.
利用稳态量热计法和傅里叶红外光谱仪分别测定了C/S iC复合材料在90℃时的半球向总发射率和室温法向光谱反射率。