Specifics of phase formation in refractory clay in the presence of topaz

T. V. Vakalova, V. I. Vereshchagin, O. A. Chernousova, T. A. Khabas, V. M. Golovanov

Research output: Contribution to journalArticle

Abstract

The processes of phase formation in refractory clay in the presence of topaz-bearing rock additives are investigated. It is established that the effect of topaz proper is determined by its quantity. Topaz in low quantities (up to 0.5 - 1.0%) intensifies the formation of primary and secondary mullite of prismatic habitus, lovers the temperature of mullite synthesis, and improves the mullite structure. An increase in the topaz content ever 25% is accompanied by the formation of mullite of needle-shaped habitus, in addition to prismatic mullite.

Original languageEnglish
Pages (from-to)130-134
Number of pages5
JournalGlass and Ceramics (English translation of Steklo i Keramika)
Volume58
Issue number3-4
Publication statusPublished - 2000

ASJC Scopus subject areas

  • Ceramics and Composites

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