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Influence of Atmosphere on the Phase Transition of Alumina
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- NAKAGAWA Zenbe-e
- Akita University, Faculty of Engineering and Resource Science, JAPAN
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- AOSAKI Taisuke
- Kao Corporation, JAPAN
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- YOSHIDA Jinichi
- Akita University, Faculty of Engineering and Resource Science, JAPAN
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- ENOMOTO Naoya
- Kyushu University, Faculty of Engineering, JAPAN
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- HAYASHI Shigeo
- Akita University, Faculty of Engineering and Resource Science, JAPAN
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- YAMAMOTO Osamu
- Akita University, Faculty of Engineering and Resource Science, JAPAN
Description
Aluminum compounds change to α-alumina finally via intermediate phases during firing. The intermediate phases have large specific surface areas and high ability of gas adsorption. This character suggests the phase transition is subjected to the influence of atmosphere. This phenomenon is important to the storage of alumina powders. A crystalline aluminum hydroxide (gibbsite), amorphous aluminum hydroxide and amorphous alumina were selected and their phase transition sequences were investigated in various common atmospheres, that is, water vapor, carbon dioxide and vacuum.
Journal
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- Preprints of Annual Meeting of The Ceramic Society of Japan<br> Preprints of Fall Meeting of The Ceramic Society of Japan
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Preprints of Annual Meeting of The Ceramic Society of Japan<br> Preprints of Fall Meeting of The Ceramic Society of Japan 2003F (0), 810-810, 2003
The Ceramic Society of Japan
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Details 詳細情報について
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- CRID
- 1390282680589827840
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- NII Article ID
- 130006969046
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- Text Lang
- en
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed