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http://dx.doi.org/10.6111/JKCGCT.2017.27.5.243

Color variation of copper glaze with the addition of tin oxide  

No, Hyunggoo (Korea Institute of Ceramic Engineering & Technology)
Kim, Soomin (Korea Institute of Ceramic Engineering & Technology)
Kim, Ungsoo (Korea Institute of Ceramic Engineering & Technology)
Cho, Wooseok (Korea Institute of Ceramic Engineering & Technology)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.27, no.5, 2017 , pp. 243-248 More about this Journal
Abstract
In this study copper glaze samples were prepared with varying amount of tin oxide, and the chromatic characteristics of glazes were explained on the results of spectrophotometric, crystalline phase, and microstructural analyses. The red color of copper glaze was dissipated with the addition of tin oxide and turned into achromatic color due to the decrease of CIEab values. Tin oxide homogeneously distributed in the glaze layer interfered with the red color generation coming from the growth of Cu nuclei, and formed an alloy with metal copper around bubbles. This resulted in the decrease of metal copper peak intensity with minor $Cu_2O$ peak. With the 3.79 % tin oxide addition the glaze was appeared as gray due to the black color CuO and Cassiterite $SnO_2$ phases.
Keywords
Raw material; Glaze; Copper oxide; Color; Tin oxide;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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