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J. Korean Ceram. Soc. > Volume 40(12); 2003 > Article
Journal of the Korean Ceramic Society 2003;40(12): 1224.
doi: https://doi.org/10.4191/kcers.2003.40.12.1224
CeO2 함유 러스터 유약 제조 및 결정화 특성
김성균, 이성민, 유중환, 김형태
요업 (세라믹 )기술원 도자ㆍ구조세라믹 본부
Preparation and Crystallization Behavior of Luster Glaze Containing CeO2
The crystallization behavior of a luster glaze containing ceria has been investigated. When glazed specimens were sintered at 110$0^{circ}C$, crystalline ceria particles were preferentially precipitated with (100) planes parallel to the specimen surface with the size of around 200 nm. The particle population in the surface region was much higher than inside glaze, covering over 60% of the specimen surface area. Crystallization of the particles with preferred orientation was promoted, after the removal of internal interface through complete melting of the fit particles. The luster effect seems to result from CeO$_2$ particles of high refractive index, their strong light scattering at visible rage due to fine crystalline size 200 nm and their planar arrangement in the surface region.ጊᤀЀ㌰〻Ԁ䭃䑎䷙ᜓਕ6㐰㬅K䍄乍
Key words: Luster glaze, Frit, $CeO_2$, Crystallization
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