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J. Korean Ceram. Soc. > Volume 46(6); 2009 > Article
Journal of the Korean Ceramic Society 2009;46(6): 548.
doi: https://doi.org/10.4191/kcers.2009.46.6.548
도예용 소지 및 유에 석탄재 적용 연구
이세우, 박성, 정윤중
명지대학교 신소재공학과
A Study on the Ceramic Body and Art Glaze by Using Coal Ash
Se-W Ri, Sung Park, Yun-Joong Chung
Department of Materials Science & Engineering, Myongji University
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.
Key words: Coal ash, UV spectrum, FTIR
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