アルミニウムイソプロポキシドの熱分解により調製したアルミナの焼結性

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書誌事項

タイトル別名
  • Sinterability of Alumina Prepared by Thermal Decomposition of Al-iso-Propoxide
  • アルミニウム イソプロポキシド ノ ネツ ブンカイ ニ ヨリ チョウセイシタ

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抄録

Thermal decomposition process of Al-iso-propoxide as precursor material for alumina was analyzed with a TG-DTA apparatus. Alumina powder was prepared by calcination of the raw material in air and under reduced pressure at several temperatures. The calcined materials were identified by an X-ray powder diffraction method to be γ-alumina below 900°C and α-alumina above 1100°C, of which crystal structures were independent of the atmospheric environment. The powder briquettes were made by a CIP (cold isostatic pressing) method, which were sintered in the temperature range of 1600° to 1800°C. The sinterabilities of alumina were discussed relative to the effects of atmosphere, crystal system, calcination temperature, and firing temperature.

収録刊行物

  • 窯業協會誌

    窯業協會誌 95 (1104), 828-830, 1987

    公益社団法人 日本セラミックス協会

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