HYDRATION OF REFRACTORY OXIDES IN CASTABLE BOND SYSTEM. PT.2. ALUMINA-SILICA AND MAGNESIA-SILICA MIXTURES

Isothermal conduction calorimetry was used to investigate binary mixtures of hydratable alumina-fumed silica and reactive magnesia-fumed silica for 22 h at 20 and 30 C. Neither alumina nor magnesia formed a crystalline hydration product with silica under these experimental conditions. Silica tended...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 2003-01, Vol.23 (16), p.3071-3077
Main Authors: Ghanbari, Ahari K, Sharp, J H, Lee, W E
Format: Article
Language:English
Online Access:Get full text
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Summary:Isothermal conduction calorimetry was used to investigate binary mixtures of hydratable alumina-fumed silica and reactive magnesia-fumed silica for 22 h at 20 and 30 C. Neither alumina nor magnesia formed a crystalline hydration product with silica under these experimental conditions. Silica tended to retard the hydration of magnesia, whereas it acted as an inert diluent when added to alumina. 9 refs.
ISSN:0955-2219