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Applied Composite Materials
Erschienen in: Applied Composite Materials 5-6/2019

25.10.2019

Effects of Pore on Thermal Diffusivity and Thermal Radiation Properties of C/SiC Composites at High Temperatures

verfasst von: Fuyuan Wang, Laifei Cheng, Shuhua Liang

Erschienen in: Applied Composite Materials | Ausgabe 5-6/2019

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Abstract

The effects of pore in C/SiC composites on thermal diffusivity and thermal radiation properties were investigated systematically. Pores were introduced into C/SiC by oxidizing carbon phase at 700 °C and damaged the thermal properties of C/SiC composites. Because of little changes in the pore shape and the pore orientation in C/SiC, thermal diffusivity of samples increased linearly with porosity. The pores within C/SiC absorbed and reflected the radiated heat, decreasing spectral emissivity. However, the temperature dependence of spectral emissivity didn’t change by the pore. With measurement temperature increasing, the pores weakened the thermal radiation property of samples gradually. A linear relation was suggested to quantify the negative effect of pores on the total emissivity.
Vorheriger Artikel The Impact Performance of Woven-Fabric Thermoplastic and Thermoset Composites Subjected to High-Velocity Soft- and Hard-Impact Loading
Nächster Artikel An Investigation into Process Parameters Effect on the Formability of GLARE Materials Using Stamp Forming

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Metadaten
Titel
Effects of Pore on Thermal Diffusivity and Thermal Radiation Properties of C/SiC Composites at High Temperatures
verfasst von
Fuyuan Wang
Laifei Cheng
Shuhua Liang
Publikationsdatum
25.10.2019
Verlag
Springer Netherlands
Erschienen in
Applied Composite Materials / Ausgabe 5-6/2019
Print ISSN: 0929-189X
Elektronische ISSN: 1573-4897
DOI
https://doi.org/10.1007/s10443-019-09787-1

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