This study measures the thermal conductivity of the MWNT/epoxy bulk composite material to enhance the heat transfer rates of the high power LED device. In this study, three different weight percentages (0.0 wt%, 0.3 wt% and 0.5 wt%) of MWNT/Epoxy composite and five different heat generating rates were employed for the investigation. The case of pure epoxy resins (0.0 wt%) was used as a reference. The responding time and the thermal conductivity of the composites were evaluated. The results show that the response is the fastest for composite with 0.5 wt% MWNT among three composites studied herein. The responses of the 0.3%wt and 0.5%wt composite are increased by 14.3%∼26.7% relative to that of the pure epoxy. Compare with that of the pure epoxy, the thermal conductivities for the cases with 0.3 wt% and 0.5 wt% MWNT/epoxy composite are increased by 15.9%∼44.9%. Further, the thermal conductivity does not vary with temperature for the temperature range studied herein. In the present study, the thermal conductivity of the composite material is found to increase mildly with the increasing heat generation rate.
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ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer
June 6–9, 2008
Tainan, Taiwan
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4292-4
PROCEEDINGS PAPER
Measurements on the Thermal Conductivity of Epoxy/Carbon-Nanotube Composite
Cheng-Hsiung Kuo,
Cheng-Hsiung Kuo
National Chung Hsing University, Taichung, Taiwan
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Hwei-Ming Huang
Hwei-Ming Huang
National Chung Hsing University, Taichung, Taiwan
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Cheng-Hsiung Kuo
National Chung Hsing University, Taichung, Taiwan
Hwei-Ming Huang
National Chung Hsing University, Taichung, Taiwan
Paper No:
MNHT2008-52189, pp. 1077-1082; 6 pages
Published Online:
June 22, 2009
Citation
Kuo, C, & Huang, H. "Measurements on the Thermal Conductivity of Epoxy/Carbon-Nanotube Composite." Proceedings of the ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B. Tainan, Taiwan. June 6–9, 2008. pp. 1077-1082. ASME. https://doi.org/10.1115/MNHT2008-52189
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