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논문 기본 정보

자료유형
학술저널
저자정보
김태연 (한국세라믹기술원) 추용식 (한국세라믹기술원) 서성관 (한국세라믹기술원) 윤석영 (부산대학교)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제19권 제5호
발행연도
2018.10
수록면
407 - 412 (6page)

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In this study, we have made a cement based inorganic insulation material and added CSA (Hauyne Clinker) to reduce thedemolding time and enhance the handling workability. CSA contents were varied by 0%, 1%, 3%, 5% and the atmosphericsteam curing was tried for enhancing the compressive strength. As the CSA contents are increased to 5%, a rapid reactionof hydration caused the sinking of the slurry. So, the setting-retarder was added to control the reaction of hydration. By this,the sinking of the slurry was controlled but the height of the green body after expansions was a little bit lowered. In the CSAaddedslurry, it was possible to demold within 24 hours and in case of CSA 5%-added, the sufficient workability was secured. Atmospheric steam curing (temperatures ?40 ~ 80 oC, for 6~10 hrs.) was attempted to improve the compressive strength andfound that an excellent strength of 0.25 MPa was achieved at 80 oC for 8 hrs. Specific gravity was about 0.12 ~ 0.13 g/cm3 andheat conductivity was about 0.045W/mK in all specimens. This strategy significantly improves the compressive strength ofCSA 5%-added specimen up to 25% compared to without CSA added specimen.

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