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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제18권 제1호
- 발행연도
- 2017.1
- 수록면
- 59 - 63 (5page)
- DOI
- http://dx.doi.org/
이용수
초록· 키워드
오류제보하기
Geopolymers have attracted interest as an alternative to cement because they relase 80% lesser carbon dioxide than cement.
Integrated gasification combined cycle (IGCC) slag was used as a raw material for the formation of the geopolymer. Manyresearchers have investigated the enhancement in the mechanical properties of geopolymers upon high-temperature heattreatment. However, there are few studies on the direct heat treatment of geopolymers. This study compared the effects of twodifferent methods of heat treatment over a wide range of temperature. The highest compressive strength of 55.03 MPa wasobtained at 200 oC after direct heat treatment. The X-ray diffraction patterns show that a new crystalline phase of calciumaluminum silicate was formed after heat-treatment at 1100 oC, which was confirmed by thermogravimetry-differential thermalanalysis. In conclusion, the compressive strength of geopolymers can be enhanced and the density of geopolymers is alsodecreased by direct heat treatment at 200 oC. Thus, this approach can be used to make geopolymers for commercial productsin the future.
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