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Synthesis of mullite from oxides doped with topaz

Synthesis of mullite from oxides doped with topaz Results of a study of the mullitization in stoichiometric pure oxides Al2O3 and SiO2 doped with topaz are reported. A mineralizing topaz-mediated effect is manifested in the activated synthesis of mullite of short prismatic habit involving products of thermal degradation of topaz (mullite and volatile fluorides). The volatile active fluorides enhance structural imperfections in the reactants and promote their high-temperature interaction. Mullite produced by thermal degradation of topaz plays the role of a seeding agent in the solid-state synthesis of mullite from oxides. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Synthesis of mullite from oxides doped with topaz

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References (7)

Publisher
Springer Journals
Copyright
Copyright © 2004 by Springer Science+Business Media, Inc.
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
DOI
10.1007/s11148-005-0030-5
Publisher site
See Article on Publisher Site

Abstract

Results of a study of the mullitization in stoichiometric pure oxides Al2O3 and SiO2 doped with topaz are reported. A mineralizing topaz-mediated effect is manifested in the activated synthesis of mullite of short prismatic habit involving products of thermal degradation of topaz (mullite and volatile fluorides). The volatile active fluorides enhance structural imperfections in the reactants and promote their high-temperature interaction. Mullite produced by thermal degradation of topaz plays the role of a seeding agent in the solid-state synthesis of mullite from oxides.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Mar 15, 2005

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