Properties of multi-walled carbon nanotube reinforced epoxy composites fabricated by using sonication and shear mixing
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon Letters / 15권 / 4호
ㆍ저자명 : Min Ye Koo, Hon Chung Shin, Won-Seok Kim and Gyo Woo Lee
ㆍ저자명 : Min Ye Koo, Hon Chung Shin, Won-Seok Kim and Gyo Woo Lee
목차
1. Introduction2. Experimental Details
3. Results and Discussion
4. Conclusions
Acknowledgements
References
한국어 초록
Multi-walled carbon nanotube reinforced epoxy composites were fabricated using shearmixing and sonication. The mechanical, viscoelastic, thermal, and electrical properties of thefabricated specimens were measured and evaluated. From the images and the results of themeasurements of tensile strengths, the specimens having 0.6 wt% nanotube content showedbetter dispersion and higher strength than those of the other specimens. The Young’s moduliof the specimens increased as the nanotube filler content was increased in the matrix. As theconcentrations of nanotubes filler were increased in the composite specimens, their storageand loss moduli also tended to increase. The specimen having a nanotube filler content of0.6 wt% showed higher thermal conductivity than that of the other specimens. On the otherhand, in the measurement of thermal expansion, specimens having 0.4 and 0.6 wt% fillercontents showed a lower value than that of the other specimens. The electrical conductivitiesalso increased with increasing content of nanotube filler. Based on the measured andevaluated properties of the composites, it is believed that the simple and efficient fabricationprocess used in this study was sufficient to obtain improved properties in the specimens영어 초록
Multi-walled carbon nanotube reinforced epoxy composites were fabricated using shearmixing and sonication. The mechanical, viscoelastic, thermal, and electrical properties of the
fabricated specimens were measured and evaluated. From the images and the results of the
measurements of tensile strengths, the specimens having 0.6 wt% nanotube content showed
better dispersion and higher strength than those of the other specimens. The Young’s moduli
of the specimens increased as the nanotube filler content was increased in the matrix. As the
concentrations of nanotubes filler were increased in the composite specimens, their storage
and loss moduli also tended to increase. The specimen having a nanotube filler content of
0.6 wt% showed higher thermal conductivity than that of the other specimens. On the other
hand, in the measurement of thermal expansion, specimens having 0.4 and 0.6 wt% filler
contents showed a lower value than that of the other specimens. The electrical conductivities
also increased with increasing content of nanotube filler. Based on the measured and
evaluated properties of the composites, it is believed that the simple and efficient fabrication
process used in this study was sufficient to obtain improved properties in the specimens
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