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Journal of Materials Science

, Volume 30, Issue 24, pp 6218–6222 | Cite as

Structure and properties of Si-Ti-C-O fibre-bonded ceramic material

  • T. Ishikawa
  • S. Kajii
  • K. Matsunaga
  • T. Hogami
  • Y. Kohtoku
Article

Abstract

Si-Ti-C-O fibre-bonded ceramic material was synthesized from pre-oxidized Si-Ti-C-O fibre with an oxide layer 400–600 nm thick, by hot-pressing at 2023 K under 50–70 MPa. The interstices in the Si-Ti-C-O fibre-bonded ceramic material were packed with an oxide material which existed on the surface of the pre-oxidized Si-Ti-C-O fibre, and the oxide material formed a small amount of the matrix phase (⩽10 vol%). At the fibre-matrix interface, aligned turbostratic carbon, which was oriented around the fibre, was formed during hot-pressing. The existence of the interfacial carbon layer indicated the Si-Ti-C-O fibre-bonded ceramic material to have a fibrous fracture pattern with high fracture energy. The Si-Ti-C-O fibre-bonded ceramic material showed excellent durability even at 1773 K in air, because a protective oxide layer is formed on the surface at a high temperature (above 1273 K) in air. Moreover, the Si-Ti-C-O fibre-bonded ceramic material almost maintained its initial strength in the bending and tensile tests, even at 1773 K in air.

Keywords

Oxide Polymer Tensile Test Oxide Layer Material Processing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1995

Authors and Affiliations

  • T. Ishikawa
    • 1
  • S. Kajii
    • 1
  • K. Matsunaga
    • 1
  • T. Hogami
    • 1
  • Y. Kohtoku
    • 1
  1. 1.Ube Research LaboratoryUbe Industries LtdYamaguchi PrefectureJapan

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