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Open Access item Crystallisation of a zirconium-based glaze for ceramic tiles coatings

Authors:Romero, Maximina
Rincón López, Jesús María
Acosta, Anselmo
Keywords:Crystallisation, Glaze, Glass-ceramic, Zircon, Diopside
Issue Date:2003
Citation:Journal of the European Ceramic Society 23 (2003) 1629–1635
Abstract:The effect of iron oxide content on the crystallisation of a zirconium-based glass-ceramic glaze was investigated using a glass-ceramic “white of zirconium” frit and a granite waste glass. Measurements by X-ray diffraction (XRD) combined with scanning electron microscopy (SEM) and EDX microanalysis showed that Fe2O3 gives rise to the crystallisation of an iron-zinc ferrite, which is acting as nucleating agent of feather-like crystals of pyroxene while granite frit enhances the partial dissolution of zircon into the glassy phase, which is sharply increased for granite frit additions greater than 50%.
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