Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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A Study on the Ceramic Body and Art Glaze by Using Coal Ash

도예용 소지 및 유에 석탄재 적용 연구

  • Ri, Se-W (Department of Materials Science & Engineering, Myongji University) ;
  • Park, Sung (Department of Materials Science & Engineering, Myongji University) ;
  • Chung, Yun-Joong (Department of Materials Science & Engineering, Myongji University)
  • 이세우 (명지대학교 신소재공학과) ;
  • 박성 (명지대학교 신소재공학과) ;
  • 정윤중 (명지대학교 신소재공학과)
  • Published : 2009.11.30
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Abstract

This study is on the application of ceramic body and art glaze by using coal ash according to each wt%. Body color was turned red and dark as increasing coal ash contents in the body and art glaze because of the effect of noncombustible carbon in $Fe_2O_3$ and coal ash. Not only pore and black core were generated but also absorptance and shrinkage were increased as increasing coal ash contents. The glaze of coal ash 20 wt% showed blue absorption band, turned red band as increasing coal ash contents, $Al_2O_3\;to\;SiO_2$ ratio got lower and became mat because glaze is estranged from $Al_2O_3\;to\;SiO_2$ mol ratio 1:10 of transparent glaze as increasing coal ash contents. Glaze showed unstable dissolving condition in the more coal ash contents.

Keywords

References

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