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RISS 인기검색어
- 검색키워드
- 저자 : Jea-Il Lee(이제일) (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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이제일,박주석,이용석,이병하,Lee, Jea-Il,Park, Joo-Seok,Lee, Yong-Seok,Lee, Byung-Ha 한국세라믹학회 2009 한국세라믹학회지 Vol.46 No.6
The yield is increasing as the manufacturing technology of ceramics progresses, however, there are many ceramics of poor quality due to variables upon producing ceramics. Some of those waste ceramics are recycled by sanitary ware or tile manufacturers, but most of them are filled in making environmental problem. Therefore, a research begins to recycle waste ceramic ware as alternative to some imported ceramic ware materials and to reduce environmental pollution. This study, succeeding last study which applied waste white ware as ceramic body material, aimed to solve problems of environment and materials by recycling waste ceradon generated in specially formed areas for ceramic in Gyeonggi-do such as Icheon, Yeoju and Gwangju as the ceramic body material. Consequently, the addition of waste ceramic ware into the ceramic body was judged to have limit up to 30% according to plasticity measurement. As we added shredded waste ceramic ware as much as 30% into basic ceramic body and checked its features, the pore rate and absorption rate were good to be average 4% and 3% respectively. In addition, it showed strength more than 720 kgf/$cm^2$ which is higher than existing ceradon body on the market with good sinter state; so it is judged to be available or developed as new ceramic body.
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이제일,이병하,Lee, Jea-Il,Lee, Byung-Ha 한국결정성장학회 2011 한국결정성장학회지 Vol.21 No.2
본 연구에서는 우리나라의 도자기 제조업체가 밀집되어 있는 경기도 이천, 여주 지역에서 발생되는 백자, 청자, 본차이나 폐도자기를 도자기 유약용 원료로서 재활용하여 도자기 제조에 적합한 도자기 유약를 개발해 보고자 한다. 연구결과, 폐백자분에는 규석이 많이 함유되어 있어서 규석을 사용하지 않고서도 맑고 투명한 백자 유약을 만들 수 있다. 또한 폐청자분에는 $Fe_2O_3$이 많이 함유되어 있어서 청자유약제조에 적합하였다. 폐본차이나분에는 $P_2O_5$이 많이 함유되어 있어서 부드러운 느낌의 유백유약제조에 적합하였다. 이와같이 폐도자기를 사용하여 도자기 유약를 제조함에 의해 매립에 의해 발생되는 환경 문제를 해결함과 동시에 자원의 재활용, 특히 일부 수입되고 있는 도자기 원료의 대체원료로서의 활용도 기대되어 경제적 효과도 얻을 수 있을 것으로 판단된다. The purpose of this study is to develop ceramic glazes for the pottery production by utilizing wasted white porcelain, celadon porcelain and bone china thrown away from the areas of Icheon and Yeoju. Most of Korean pottery manufacturers are located in the both areas. According to the XRF analysis, the wasted white porcelain contains over 67 % of silica. It is enough to make a transparent glaze without adding silica. The wasted celadon porcelain contains much $Fe_2O_3$, which is suitable for producing a celadon glaze. The wasted bone china contains 22 % of $P_2O_5$, which is suitable for making a milky white bone china glaze. As a result, it is expected that production of pottery glaze using the wasted porcelains will reduce pollution problems comes from the landfill, and obtain economic effects in terms of resources recycling. It is also expected to be utilized as alternative materials of imported ones.
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이제일,이용석,이병하,Lee, Jea-Il,Lee, Yong-Seok,Lee, Byung-Ha 한국세라믹학회 2011 한국세라믹학회지 Vol.48 No.1
The influx of Western culture and the food culture have altered the tableware of Korea, increasing the amount of using tableware. The representative tableware is known as bone china. Considering not only the amount of bone china waste generated from broken tableware at homes and but also faulty bone china products at factories, the bone china waste disposed in simple landfills is to be a serious environmental problem to solve. In this study, following "the research on development of ceramics body using waste celadon" of which the possibility was confirmed, development of ceramics body is conducted by recycling waste bone china. From the result of the study, it was understood that maximum addition of waste bone china was 20% of the whole material on the basis of measurement of plasticity. So 20% of pulverized bone china was added and the characteristics were evaluated, and the result was that porosity, water absorptivity and plasticity were 0.756%, 0.339% and 24.13%, respectively. Bending strength was $672\;kgf/cm^2$, which showed a good sintering condition. Therefore, it was considered that waste bone china could be utilized for development of new porcelain material.
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