Abstract
This paper observes the fabrication of partial black porcelain by carbon diffusion
from wood charcoal as a solid carbon source, and the characterization of body at bottom
area. The porcelain cup was created by conventional ceramic technique. For second
firing step, the cup was set on the wood charcoal pieces contained in a closed refractory
container and fired at 1250C for 1 h. The traces of carbon compounds at different
positions on a cross-section sample were detected by Raman spectroscopy and X-ray
photoelectron spectroscopy (XPS). Graphitic carbon and SiOC were discovered.
Furthermore, graphite peak was detected by X-ray diffraction (XRD). This work2
provides a confirmation of solid diffused carbon from wood charcoal into the porcelain
body by scientific techniques.
Keywords: porcelain, carbon, wood charcoal, firing technique
https://www.sciencedirect.com/science/article/abs/pii/S0167577X21017936?via%3Dihub
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