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Thermophysical Properties of Short Carbon Fiber/SiC Multilayer Composites Prepared by Tape Casting and Pressureless Sintering
Author(s) -
Yang Wenshu,
Biamino Sara,
Padovano Elisa,
Pavese Matteo,
Fino Paolo,
Badini Claudio
Publication year - 2013
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/ijac.12149
Subject(s) - materials science , pressureless sintering , tape casting , composite material , casting , sintering , fiber , anisotropy , thermal conductivity , core (optical fiber) , thermal , physics , quantum mechanics , meteorology
C sf /SiC multilayer composites for thermal conductivity ( TC ) test in three directions were successively prepared by tape casting and pressureless sintering. After 1500°C/5 h oxidation treatment, short carbon fibers were oxidized which produced many pores. However, a core area, which was composed by short carbon fiber, SiC, and few SiO 2 , was still observed. TC properties of C sf /SiC multilayer composites were highly anisotropic. The TC was decreased with the increase in fiber amount. C sf /SiC multilayer composites demonstrated the highest TC along the tape casting direction and the lowest TC through the thickness direction, which is favorable for thermal protection purpose.

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