Synthesis of mullite from oxides doped with topaz

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

Результат исследований: Материалы для журналаСтатья

Аннотация

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.

Язык оригиналаАнглийский
Страницы (с-по)441-445
Число страниц5
ЖурналRefractories and Industrial Ceramics
Том45
Номер выпуска6
DOI
СостояниеОпубликовано - 1 ноя 2004

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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