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Study on the Five dynasty sky-green glaze from Yaozhou kiln and its coloring mechanism.
- Source :
-
Ceramics International . Feb2017, Vol. 43 Issue 3, p2943-2949. 7p. - Publication Year :
- 2017
-
Abstract
- This work takes the Five dynasty sky-green glaze of Yaozhou kiln as the major study object. Based on the analysis of XRF, XRD, XPS and SEM/EDS, the chemical compositions, firing technique and microstructure of the sky-green glaze were investigated. A possible coloring mechanism was proposed to explain the variation of glaze appearance. The results indicated that the Five dynasty sky-green glaze had relatively high contents of CaO and K 2 O, which led to the better gloss and transparency than others. Besides that, the chemical coloring of Fe 2 O 3 and the scattering of phyical structures also affected the color saturation and opacity of glaze surface. The high Fe 2+ /Fe 3+ ratio and phase separation droplets of forming structural color by the amorphous photons and Rayleigh scattering contributed to increasing the blue tone of sky-green glaze. In addition, the residual crystals decreased the transparency of glaze surfaces. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 43
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 120278225
- Full Text :
- https://doi.org/10.1016/j.ceramint.2016.11.019