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The Formation of Red Copper Glaze in an Oxidizing Atmosphere
Nguyen Vu Uyen Nhi, Doan Duong Xuan Thuy, Do Quang Minh, Kieu Do Trung Kien,
Volume 20, Issue 3 (9-2023)
Abstract
This paper introduces a method for producing red copper glaze by adding copper oxide (CuO) and silicon carbide (SiC) additives to the base glaze. SiC created a reducing environment in situ and allowed the glaze to be sintered in an oxidizing furnace environment. Nanocrystals are the determinants of the red color of the glaze. The CuO reduction reaction temperature range of SiC produces a reducing environment in the glaze as detected by the method (DSC). The functional group and phase of nanocrystals were determined by Fourier transform infrared (FT-IR) and X-ray diffraction (XRD) spectroscopy. 

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