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논문 기본 정보
- 자료유형
- 동향자료
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 132 - 134 (3page)
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초록· 키워드
오류제보하기
When manufacturing bulk graphite, pores develop within the bulk during the carbonization process due to the volatile components of the fillers and the binders. As a result, the physical properties of bulk graphite are inferior to the theoretical values. Impregnants are impregnated into the pores generated in the carbonization process through pressurization and/or depressurization. The physical properties of bulk graphite that has undergone impregnation and re-carbonization processes are outstanding. In the present study, a green body was manufactured by molding with natural graphite flakes and phenolic resin at 45 MPa. Bulk graphite was manufactured by carbonizing the green body at 700 and it was subsequently impregnated with impregnants having viscosity of 25.0 cP, 10.3 cP, and 5.1 cP, and the samples were re-carbonized at $700^{\circ}C$. The above process was repeated three times. The open porosity of bulk graphite after the final process was 22.25%, 19.86%, and 18.58% in the cases of using the impregnant with viscosity of 25.0 cP, 10.3 cP, and 5.1 cP, respectively.
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참고문헌 (12)
참고문헌 신청
J.L. White / 1974 / The formation of mesophase microstructures during the pyrolysis of selected coker feedstocks / Carbon 12(3):321~333
Tao Zheng / 1995 / Effect of turbostratic disorder in graphitic carbon hosts on the intercalation of lithium / Physical Review B 51(2):734~741
Sugio Otani / 1973 / Carbon Products Prepared from Variant Pitch Materials. VIII. The Preparation of Isotropic Pitch Carbon with a High Density / Bulletin of the Chemical Society of Japan 46(1):314~317
Kim JY / 1992 / Preparation of carbon solid from dormant mesophase pitch without using a binder / J Korean Ceram Soc 29:396
Chung HJ / 1996 / Preparation and characterization of mesophase pitches as a matrix precursor of carbon fiber reinforced carbon composite / J Korean Ceram Soc 33:1387
Tao Zheng / 1995 / Effect of turbostratic disorder in graphitic carbon hosts on the intercalation of lithium / Physical Review B 51(2):734~741
Sugio Otani / 1973 / Carbon Products Prepared from Variant Pitch Materials. VIII. The Preparation of Isotropic Pitch Carbon with a High Density / Bulletin of the Chemical Society of Japan 46(1):314~317
Kim JY / 1992 / Preparation of carbon solid from dormant mesophase pitch without using a binder / J Korean Ceram Soc 29:396
Chung HJ / 1996 / Preparation and characterization of mesophase pitches as a matrix precursor of carbon fiber reinforced carbon composite / J Korean Ceram Soc 33:1387
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