Erratum to ‘Fabrication of carbon fiber reinforced ceramic matrix composites with improved oxidation resistance using boron as active filler’ [J. Eur. Ceram. Soc. 30 (2009) 787–792]

Journal of the European Ceramic Society(2010)

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摘要
Boron was introduced into Cf/SiC composites as active filler to shorten the processing time of PIP process and improve the oxidation resistance of composites. When heat-treated at 1800°C in N2 for 1h, the density of composites with boron (Cf/SiC-BN) increased from 1.71 to 1.78g/cm3, while that of composites without boron (Cf/SiC) decreased from 1.92 to 1.77g/cm3. So when boron was used, two cycles of polymer impregnation and pyrolysis (PIP) could be reduced. Meanwhile, the oxidation resistance of composites was greatly improved with the incorporation of boron-bearing species. Most carbon fiber reinforcements in Cf/SiC composite were burnt off when they were oxidized at 800°C for 10h. By contrast, only a small amount of carbon fibers in Cf/SiC-BN composite were burnt off. Weight losses for Cf/SiC composite and Cf/SiC-BN composite were about 36 and 16wt%, respectively.
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ceramic matrix composite
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