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Synthesis of continuous silicon carbide fibre

Part 3 Pyrolysis process of polycarbosilane and structure of the products

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Abstract

Polycarbosilanes which are the precursors of SiC fibre were synthesized by three methods. The molecular structure of each polycarbosilane was represented by means of three structural elements determined by IR, UV and NMR spectral measurements. The pyrolysis process of the polycarbosilanes is discussed for the six stages observed in the TG-DTA curves and gas evolution curves during pyrolysis of the polycarbosilanes. In each stage, the relationship between the molecular structure and the structure of the pyrolysis product is discussed and the pyrolysis process of the polycarbosilanes is characterized.

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Authors and Affiliations

  1. The Research Institute for Special Inorganic Materials, Asahi-mura, Kashima-gun, 311-14, Ibaraki-ken, Japan

    Yoshio Hasegawa

  2. The Oarai Branch, The Research Institute for Iron, Steel and Other Metals, Tohoku University, Oarai, 311-13, Ibaraki-Ken, Japan

    Kiyohito Okamura

Authors
  1. Yoshio Hasegawa
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  2. Kiyohito Okamura
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Hasegawa, Y., Okamura, K. Synthesis of continuous silicon carbide fibre. J Mater Sci 18, 3633–3648 (1983). https://doi.org/10.1007/BF00540736

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  • DOI: https://doi.org/10.1007/BF00540736

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