Effect of topaz on the synthesis of mullite in mixtures of kaolinite and alumina

T. V. Vakalova, V. M. Pogrebenkov, A. V. Ivanchenkov, E. V. Alekseev

Научно-образовательный центр Н.М.Кижнера

Результат исследований: Материалы для журнала › Статья

Аннотация

The synthesis of mullite in mixtures of kaolinite and alumina in the presence of small amounts of topaz is studied. Topaz is shown to activate the synthesis of both the primary (from kaolinite) and secondary mullite (through binding silica produced by thermal degradation of kaolinite), decrease the temperature of synthesis by 100°C, and increase the total yield of mullite. Products of the thermal degradation of topaz - mullite and gaseous chemically active fluoride compounds - are shown to play the role of mineralizing agents.

Язык оригинала	Английский
Страницы (с-по)	416-420
Число страниц	5
Журнал	Refractories and Industrial Ceramics
Том	45
Номер выпуска	6
DOI	https://doi.org/10.1007/s11148-005-0024-3
Состояние	Опубликовано - 1 ноя 2004

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

Доступ к документу

10.1007/s11148-005-0024-3

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Цитировать

Vakalova, T. V., Pogrebenkov, V. M., Ivanchenkov, A. V., & Alekseev, E. V. (2004). Effect of topaz on the synthesis of mullite in mixtures of kaolinite and alumina. Refractories and Industrial Ceramics, 45(6), 416-420. https://doi.org/10.1007/s11148-005-0024-3

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AU - Vakalova, T. V.

AU - Pogrebenkov, V. M.

AU - Ivanchenkov, A. V.

AU - Alekseev, E. V.

PY - 2004/11/1

Y1 - 2004/11/1

N2 - The synthesis of mullite in mixtures of kaolinite and alumina in the presence of small amounts of topaz is studied. Topaz is shown to activate the synthesis of both the primary (from kaolinite) and secondary mullite (through binding silica produced by thermal degradation of kaolinite), decrease the temperature of synthesis by 100°C, and increase the total yield of mullite. Products of the thermal degradation of topaz - mullite and gaseous chemically active fluoride compounds - are shown to play the role of mineralizing agents.

AB - The synthesis of mullite in mixtures of kaolinite and alumina in the presence of small amounts of topaz is studied. Topaz is shown to activate the synthesis of both the primary (from kaolinite) and secondary mullite (through binding silica produced by thermal degradation of kaolinite), decrease the temperature of synthesis by 100°C, and increase the total yield of mullite. Products of the thermal degradation of topaz - mullite and gaseous chemically active fluoride compounds - are shown to play the role of mineralizing agents.

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