1. Crystallisation of a zirconium-based glaze for ceramic tile coatings
- Author
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Romero, M., Rincón, J. Ma., and Acosta, A.
- Subjects
- *
IRON oxides , *CRYSTALLIZATION , *GLASS-ceramics , *ZIRCONIUM , *IRON oxide glazes - 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%. [Copyright &y& Elsevier]
- Published
- 2003
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