Paper Title:
Synthesis of Co-Doped Tialite Ceramic Pigments and Coloring in Glazes
  Abstract

Synthesis of gray ceramic pigment was carried out by doping cobalt on Tialite crystal structure. Tialite was synthesized by using Al2O3 and TiO2, and was doped with Co3O4 as a chromophore material. To prevent the thermal decomposition during cooling procedure Fe2O3 was added by 0.05mole as a stabilizer. Samples were fired at 1400~1500°C for 2hours and cooled naturally. Crystal structure, solubility limit and color of synthesized pigment were analyzed by XRD, Raman spectroscopy, UV and UV-vis. Yield percentage of Tialite was 96.15% with using Fe2O3 as a stabilizer. It was found that solubility limit of Co2+ in Tialite crystal was 0.03 mole% through analysis of XRD and Raman. By adding pigment with 0.03 mole% of Co2+ to lime-barium glaze, stabilized Dark Gray color glaze having 46.12, -1.26, 0.53 as CIE-L*a*b* was synthesized.

  Info
Periodical
Edited by
Hyungsun Kim, Jian Feng Yang, Chuleol Hee Han, Somchai Thongtem and Soo Wohn Lee
Pages
299-302
DOI
10.4028/www.scientific.net/MSF.695.299
Citation
Y. J. Kim, K. S. Han, B. H. Lee, "Synthesis of Co-Doped Tialite Ceramic Pigments and Coloring in Glazes", Materials Science Forum, Vol. 695, pp. 299-302, 2011
Online since
July 2011
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$32.00
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