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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제14권 제1호
- 발행연도
- 2013.2
- 수록면
- 45 - 50 (6page)
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초록· 키워드
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The fracture toughness of glass ceramics produced from the fly ash of the Seyitomer power plant of Turkey has been investigated using an indentation fracture technique. In this process, fly ash was melted and cast as a glass. The glass materials produced were heat treated at 1073 K, 1123 K and 1173 K for 30-240 minutes in order to obtain glass-ceramics. X-ray diffraction analysis (XRD) showed that the phases formed in the glass ceramics were diopsite and augite. Atomic force microscope (AFM) images were used for the examination of the surface structure of the glass ceramics. The fracture toughness of the glass ceramics ranged from 1.80 ± 0.15 MPa.m1/2 to 2.92 ± 0.65 MPa.m1/2 depending on the treatment temperature and time. The higher the crystallization temperature and the longer the treatment time, the higher the fracture toughness became.
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