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Development of a new continuous Si-Ti-C-O fibre using an organometallic polymer precursor

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Abstract

A polytitanocarbosilane, which is useful as the precursor polymer for ceramic fibre, was synthesized using polydimethylsilane, polyborodiphenylsiloxane and titanium tetraisopropoxide. The polytitanocarbosilane was melt-spun and using the continuous heat-treatment process from the polymer fibre to ceramic fibre, flexible Si-Ti-C-O fibre was produced. The density, tensile strength and Young's modulus of this amorphous ceramic fibre were found to be 2.35 g cm−3, 3.0±0.2 and 220±10 GPa, respectively. The Si-Ti-C-O fibre retained its high tensile strength to higher temperatures (about 1200° C). The specific resistance of this ceramic fibre covered a wide range of 107 to 10−1ωcm. This ceramic fibre is considered to be useful as reinforcement fibre for composites.

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Authors and Affiliations

  1. Ube Research Laboratory, Corporate Research and Development, Ube Industries Ltd, Ube-shi, 755, Yamaguchi-ken, Japan

    Takemi Yamamura, Toshihiro Ishikawa, Masaki Shibuya & Terumi Hisayuki

  2. The Oarai Branch, Institute for Materials Research, Tohoku University, Oarai, 311-13, Ibaraki-ken, Japan

    Kiyohito Okamura

Authors
  1. Takemi Yamamura
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  2. Toshihiro Ishikawa
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  3. Masaki Shibuya
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  4. Terumi Hisayuki
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  5. Kiyohito Okamura
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Yamamura, T., Ishikawa, T., Shibuya, M. et al. Development of a new continuous Si-Ti-C-O fibre using an organometallic polymer precursor. J Mater Sci 23, 2589–2594 (1988). https://doi.org/10.1007/BF01111919

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  • DOI: https://doi.org/10.1007/BF01111919

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