Journal of the Korean Chemical Society (대한화학회지)
- Volume 10 Issue 2
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- Pages.67-75
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- 1966
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- 1017-2548(pISSN)
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- 2234-8530(eISSN)
Fundamental Studies on Sinyewon Clays
新禮院粘土에 관한 基礎的 硏究
- Park, Soon-Za (Ceramic Section, National Industrial Research Institute) ;
- Ann, Nam-Soon (Ceramic Section, National Industrial Research Institute) ;
- Kim, Yoon-Ho (Ceramic Section, National Industrial Research Institute)
- Published : 19660600
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40 8
Abstract
Four kinds of clays from Sinyewon mine which is located in Chungchoungnam-Do district and two kinds of Japanese clays (Gairome, Kibushi) were selected and studied on the fundamental properties of these clays and those which are refined by the elutriation method. Chemical analysis, grading analysis such as refractoriness, specific gravity, color, fired color and plasticity, particle size distribution, various thermal tests, X-ray diffraction analysis and electron microscopic survey were carried out on these clays. The comparison of domestic clays with Japanese clays was made. 1. In chemical composition and physical properties, these four kinds of Sinyewon clays are almost similar to each other and also to Gairome and Kibushi clays. In refractoriness, Gairome and Kibushi clays have relatively high value such as SK 34 and 35, while Sinyewon clays have the value of about SK 32. Especially Sinyewon clay B has the low refractoriness (SK 18) and plasticity. Refined clays have the tendency of somewhat higher value than crude ones in refractoriness. 2. When burnt up to
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