Synchrotron radiation micro-XRD in the study of glaze technology |
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Authors: | T Pradell J Molera N Salvadó A Labrador |
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Institution: | 1. Departament de Física i Enginyeria Nuclear, UPC, campus Baix Llobregat, ESAB, Av. Canal Olímpic 15, 08860, Castelldefels, Spain 2. GRMAiA, Departament de IACA, Universitat de Vic, campus Torre dels Frares, 08500, Vic, Spain 3. Departament d’Enginyeria Química, EPSEVG, Universitat Politècnica de Catalunya, Av. Víctor Balaguer s/n, 08800, Vilanova i la Geltrú, Spain 4. LLS, BM16-ESRF, BP 220, 38043, Grenoble Cedex, France
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Abstract: | The production of glass represented an important technological achievement, and it was the starting point for the invention
of a large variety of materials, produced by processes involving melting, partial or total, and precipitation of new crystalline
compounds during cooling. In particular, those crystallites built-in the glaze due to partial or total insolubility of some
elements originally present in the melt (for instance some colourants and opacifiers), as well as those crystallites formed
in the glazes resulting from the interaction of the melt and the ceramic surface are subject of the highest interest in the
study of glaze technology. Finally, devitrification and weathering gives rise to precipitation of new crystalline compounds
closer to the surfaces and interfaces. |
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