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J. Korean Ceram. Soc. > Volume 50(6); 2013 > Article
Journal of the Korean Ceramic Society 2013;50(6): 416.
doi: https://doi.org/10.4191/kcers.2013.50.6.416
첨가제의 조성이 폐유리-점토 타일의 곡강도에 미치는 영향
이영일, 엄정혜1, 김영욱1, 송인혁2
동남보건대학교 안경광학과
1서울시립대학교 신소재공학과 기능성세라믹스연구실
2재료연구소 엔지니어링세라믹연구그룹
Effect of Additive Composition on Flexural Strength of Cullet-Loess Tile Bodies
Young-Il Lee, Jung-Hye Eom1, Young-Wook Kim1, In-Hyuck Song2
Department of Optometry and Vision Science, Dongnam Health College
1Functional Ceramics Laboratory, Department of Materials Science and Engineering, The University of Seoul
2Engineering Ceramics Group, Korea Institute of Materials Science
ABSTRACT
Cullet-loess tile bodies are successfully fabricated using cullet, loess, hollow microspheres, and sintering additives (borosilicate glass frit, boric acid, or fumed silica) as starting materials. The effects of the additive composition and sintering temperature on the sintered density and flexural strength of the cullet-loess tile bodies are investigated. The sintered density of the cullet-loess tile bodies increases with an increase in the sintering temperature as a result of the enhanced densification of pore walls through the viscous flow of a liquid phase formed from the glass frit and sintering additives. The flexural strength of the cullet-loess tile bodies increases with increases in the sintering temperature and the cullet content in the starting composition. A maximal flexural strength of 40 MPa is obtained in cullet-loess tile bodies sintered with glass frit at $800^{circ}C$ in air.
Key words: Tile body, Strength, Porosity, Cullet, Glass frit
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