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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.9 No.4
- 발행연도
- 2015.12
- 수록면
- 427 - 438 (12page)
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초록· 키워드
오류제보하기
The present work proposes a new image analysis method for the evaluation of the multi-walled carbon nanotube (MWNT) distribution in a cement matrix. In this method, white cement was used instead of ordinary Portland cement with MWNT in an effort to differentiate MWNT from the cement matrix. In addition, MWNT-embedded cement composites were fabricated under different flows of fresh composite mixtures, incorporating a constant MWNT content (0.6 wt%) to verify correlation between the MWNT distribution and flow. The image analysis demonstrated that the MWNT distribution was significantly enhanced in the composites fabricated under a low flow condition, and DC conductivity results revealed the dramatic increase in the conductivity of the composites fabricated under the same condition, which supported the image analysis results. The composites were also prepared under the low flow condition (114 mm\flow\126 mm), incorporating various MWNT contents. The image analysis of the composites revealed an increase in the planar occupation ratio of MWNT, and DC conductivity results exhibited dramatic increase in the conductivity (percolation phenomena) as the MWNT content increased. The image analysis and DC conductivity results indicated that fabrication of the composites under the low flow condition was an effective way to enhance the MWNT distribution.
목차
Abstract
1. Introduction
2. Materials
3. Methods
4. Results and Discussion
5. Conclusion
References
참고문헌 (23)
참고문헌 신청
[단행본] - ASTM International / 2013 / ASTM C1437—standard test method for flow of hydraulic cement mortar / ASTM
[학술지(정기간행물)] - Daimon, M. / 1979 / Rheological properties of cement mixes : II. Zeta potential and preliminary viscosity studies / Cement and Concrete Research 9 (1) : 103 ~ 109
[학술지(정기간행물)] - Fan, M. Z. / 2000 / Dimensional instability of cement bonded particleboard : SEM and image analysis / Journal of Materials Science 35 (24) : 6213 ~ 6220
[학술지(정기간행물)] - Kang, S. T. / 2011 / The effect of fibre distribution characteristics on the flexural strength of steel fibre-reinforced ultra high strength concrete / Construction and Building Materials 25 (5) : 2450 ~ 2457
[학술지(정기간행물)] - Kim, H. K. / 2014 / Enhanced effect of carbon nanotube on mechanical and electrical properties of cement composites by incorporation of silica fume / Composite Structures 107 : 60 ~ 69
[학술지(정기간행물)] - Daimon, M. / 1979 / Rheological properties of cement mixes : II. Zeta potential and preliminary viscosity studies / Cement and Concrete Research 9 (1) : 103 ~ 109
[학술지(정기간행물)] - Fan, M. Z. / 2000 / Dimensional instability of cement bonded particleboard : SEM and image analysis / Journal of Materials Science 35 (24) : 6213 ~ 6220
[학술지(정기간행물)] - Kang, S. T. / 2011 / The effect of fibre distribution characteristics on the flexural strength of steel fibre-reinforced ultra high strength concrete / Construction and Building Materials 25 (5) : 2450 ~ 2457
[학술지(정기간행물)] - Kim, H. K. / 2014 / Enhanced effect of carbon nanotube on mechanical and electrical properties of cement composites by incorporation of silica fume / Composite Structures 107 : 60 ~ 69
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