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Thermodynamic Stability of γ-Aluminum Oxynitride

✍ Scribed by Nakao, Wataru; Fukuyama, Hiroyuki; Nagata, Kazuhiro

Book ID
121380325
Publisher
The Electrochemical Society
Year
2003
Tongue
English
Weight
434 KB
Volume
150
Category
Article
ISSN
0013-4651

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✍ J. Sappei; D. Goeuriot; F. Thevenot; Y. Laurent; J. Guyader; P. L'Haridon 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 573 KB

By reaction between transition (7) aluminas .from boehmite and ammonia (T.~ IO00-1100°C), up to l%wt nitrogen can be .fixed in the form of a yaluminum oxynitride layer on 7-Al203 sulface grains. This layer delays the polymorphic transjormation of 7-into ~°AI20 3. For higher nitrogen contents, alumin