Preparation of Silicon Carbide and Aluminum Silicon Carbide from a Montmorillonite–Polyacrylonitrile Intercalation Compound by Carbothermal Reduction

Yoshiyuki Sugahara*, Ken‐Ichi ‐I Sugimoto, Kazuyuki Kuroda, Chuzo Kato

*この研究の対応する著者

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Both silicon carbide and aluminum silicon carbide have simultaneously been obtained directly from naturally occurring aluminosilicate by carbothermal reduction for the first time. A precursor of a montmorillonite–polyacrylonitrile (PAN) intercalation compound was heated at 1700°C in Ar. For comparison, montmorillonite–carbon mixtures were similarly heated. α‐SiC, β‐SiC, and Al4Si2C5 formed from the montmorillonite–PAN intercalation compound. Mainly α‐Al4SiC4 was obtained with ternary carbides from the montmorillonite–carbon mixtures in addition to a large amount of β‐SiC. Hence, aluminum silicon carbide formation was affected by the mixing condition of the starting materials.

本文言語English
ページ(範囲)C‐325-C‐327
ジャーナルJournal of the American Ceramic Society
71
7
DOI
出版ステータスPublished - 1988 7月

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 材料化学

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