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Copper and silver crystals in lustre glazes: Development and Characterization

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COPPER AND SILVER CRYSTALS IN LUSTER GLAZES: DEVELOPMENT AND

CHARACTERIZATION

Nergis a, Mine TAYKURT DADAYb, Mustafa DADAYc aCukurova University, Department of Ceramic, 01330, Adana, Turkey, E-mail:nkilinc@cu.edu.tr b

Saricam, Adana, Turkey, E-mail: mtaykurt@gmail.com

cEskisehir Technical University, Department of Material Sci

E-mail:mustafadaday@gmail.com

Abstract

Luster decoration is charged with great interests for ceramist because of their high allurement effect. These types of glazes are obtained by reduction of silver and copper compounds to obtain decorative images with metallic shining. In this study, 2 wt.% silver (Ag) and 5 wt.% copper (Cu) compounds added into the sodium and silicon rich glaze matrix. Luster effects achieved in the kiln using wood for heating and for obtain reducing atmosphere. Silver and copper layers were developed and characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDX), optical microscopy (OM) and ultraviolet-visible spectroscopy (UV-vis) on the glaze surface. The results showed that, luster glazes with several combinations of colors and shines were produced in low temperature.

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