Abstract
Colorful paint works are carried out to highlight the visuality of ornamental and tableware products, such as cups and plates. As these products come into contact with detergents, food products or grime, erosion and abrasion occur in paint and patterns over time. In this study, transparent glaze compositions that can be applied on patterned products have been developed in order to minimize wear and damage to the paint on ornamental and tableware products such as porcelain cups and plates. It is aimed to have a compatibility with the glaze layer and the porcelain body, to have high transparency and brightness. Different glaze compositions have been implemented to porcelain wares containing precious metallic paints. Then the glazed products were coducted to final firing between 870˚C-900˚C. Colours values of porcelain wares were determined with L-a-b spectrophotometer colours measurment devices and ΔE values was found to be lower than 0.50. Erosion and abrasion resistance were determined by staining test and washing test. According the results, the mass loss values are in the range of 2.7-3.4 mg (24h washing) and 7.9-8.3 mg (168 h washing). The morphology of the samples and the analysis of the phases formed during sintering were determined by X-ray diffraction (XRD) technique and scanning electron miscroscopy (SEM and EDX). Quartz-SiO2 and Albite-Na (AlSi3O8) phases were observed in the structure of the glazes. The results showed that glaze compositions with high transparency and wear resistance can be obtained with only 30% frit content.
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