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논문 기본 정보

자료유형
동향자료
저자정보
Lee, Sang-Min (School of Advanced Materials and Systems Engineering, Kumoh National Institute of Technology) Kang, Dong-Su (School of Advanced Materials and Systems Engineering, Kumoh National Institute of Technology) Kim, Woo-Seok (Carbolab Co., Ltd.) Roh, Jea-Seung (School of Advanced Materials and Systems Engineering, Kumoh National Institute of Technology)
저널정보
한국탄소학회 Carbon letters Carbon letters 제15권 제2호
발행연도
2014.1
수록면
142 - 145 (4page)

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Isotropic synthetic graphite scrap and phenolic resin were mixed, and the mixed powder was formed at 300 MPa to produce a green body. New bulk graphite was produced by carbonizing the green body at $700^{\circ}C$, and the bulk graphite thus produced was impregnated with resin and re-carbonized at $700^{\circ}C$. The bulk density of the bulk graphite was $1.29g/cm^3$, and the porosity of the open pores was 29.8%. After one impregnation, the density increased to $1.44g/cm^3$ while the porosity decreased to 25.2%. Differences in the pore distribution before and after impregnation were easily confirmed by observing the microstructure. In addition, by using an X-ray diffractometer, the degrees-of-alignment (Da) were obtained for one side perpendicular to the direction of compression molding of the bulk graphite (the "top-face"), and one side parallel to the direction of compression molding (the "side-face"). The anisotropy ratio calculated from the Da-values obtained was 1.13, which indicates comparatively good isotropy.

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