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Journal of Materials Science

, Volume 21, Issue 6, pp 2043–2048 | Cite as

Influence of carbide formation on the strength of carbon fibres on which silicon and titanium have been deposited

  • Kuniaki Honjo
  • Akio Shindo
Papers

Abstract

Silicon or titanium was deposited on the filaments of carbon fibres by chemical vapour depositions and the reactions between the deposited silicon or titanium and the carbon fibres were investigated below 1300° C. Between the silicon and the carbon fibres, β-SiC layers formed at rates of 1.5 to 3 nm in 3 h at 1300° C. These rates were 10−4 times that of the TiC formation by the reaction of titanium with carbon fibre. Furthermore, the effect of the reaction on fibre strength was investigated. By reaction with silicon, the carbon fibre at a carbonized stage decreased in strength at the beginning of the reaction, but afterwards it recovered to the original level. The carbon fibre at a graphitized stage maintained its original strength after heat treatment for several hours at 1300° C. With the TiC-coated carbon fibres, the carbon fibres decreased in strength following the relation σmd−1/2, where d is the thickness of the TiC layer.

Keywords

Polymer Silicon Titanium Carbide Heat Treatment 
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 and Hall Ltd. 1986

Authors and Affiliations

  • Kuniaki Honjo
    • 1
  • Akio Shindo
    • 1
  1. 1.Government Industrial Research Institute, OsakaOsakaJapan

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