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Reinforcing Mechanism of SiC Whiskers in SiCw / Carbon Ceramic Composites

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4th International Symposium on Ceramic Materials and Components for Engines

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Abstract

SiC whiskers/carbon ceramics have been made by hot pressing at 1950 —2100°C under argon atmosphere. The microstructure of SiCw / carbon ceramics has been studied. A unique distribution of SiC whiskers in carbon ceramic matrix has been found. The short SiC whiskers are distributed spread in matrix grains, but long SiC whiskers are distributed at the boundaries. The short SiC whiskers playa strengthening role in the matrix grains as second phase particles and long SiC whiskers play a toughening role in the matrix because whiskers prevent the cracks from propagating. This reinforcing mechanism is identified as the two directional reinforcing mechanism of the SiC whiskers in carbon ceramics.

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Authors and Affiliations

  1. Beijing Fine Ceramic Laboratory of Institute of Nuclear Energy Technology, Tsinghua University, P.O.Box 1021, Beijing, 102201, China

    Jiemo Tian, Xiaohua Tong, Limin Dong, Zhenwen Wang & Lingling Wang

Authors
  1. Jiemo Tian
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  2. Xiaohua Tong
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  3. Limin Dong
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  4. Zhenwen Wang
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  5. Lingling Wang
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Editor information

Editors and Affiliations

  1. Swedish Ceramic Society, Gotebörg, Sweden

    L. Kahlman

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© 1992 Elsevier Science Publishers Ltd and MPA Stuttgart

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Tian, J., Tong, X., Dong, L., Wang, Z., Wang, L. (1992). Reinforcing Mechanism of SiC Whiskers in SiCw / Carbon Ceramic Composites. In: Carlsson, R., Johansson, T., Kahlman, L. (eds) 4th International Symposium on Ceramic Materials and Components for Engines. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2882-7_89

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  • DOI: https://doi.org/10.1007/978-94-011-2882-7_89

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-85166-776-5

  • Online ISBN: 978-94-011-2882-7

  • eBook Packages: Springer Book Archive

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