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Nangang, China

Liu Q.,Building C3 | Ye F.,Building C3 | Gao Y.,Building C3 | Liu S.,Building C3 | And 3 more authors.
Scripta Materialia | Year: 2014

Porous 6H-SiC ceramics were fabricated at a low temperature by an in situ reaction bonding process. After subsequent heat treatment, porous SiC ceramics with elongated 6H-SiC grains and improved strength were obtained. The results indicated that in situ growth of elongated 6H-SiC grains was caused by rare earth elements together with the liquid Ba-Al-Si-O system. The type and content of rare earth oxides had a large influence on the growth of elongated 6H-SiC grains. © 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. Source

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