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Graphene Nanoplatelets/Epoxy Resin Composites With High Thermal Conductivity

[+] Author Affiliations
Yu Qi, Wei Yu, Li-Fei Chen, Hua-qing Xie, Ming-Zhu Wang

Shanghai Second Polytechnic University, Shanghai, China

Paper No. MNHMT2016-6378, pp. V002T14A001; 4 pages
doi:10.1115/MNHMT2016-6378
From:
  • ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer
  • Volume 2: Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters
  • Biopolis, Singapore, January 4–6, 2016
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4966-8
  • Copyright © 2016 by ASME

abstract

Graphene nanoplatelets (GNPs) are a kind of material with excellent thermal conductivity. It can significantly improve the heat-conducting property of epoxy resin (EP) matrix. In this study, GNPs/EP composites were prepared by ultrasonication and the cast molding method. The effect of optimization in the preparation process on the thermal transfer performance of the composites was discussed. The pulverizing time of GNPs and three-roll grinder grinding of composites were considered. The results indicated that when the mass fraction of GNPs was 4.3%, in its pulverizing time of 2s, the thermal conductivity of GNPs/EP composites was up to 0.99 W/m·K, and it was increased by 9% compared with non-pulverization treatment. However, after pulverizing two seconds and grinding three times, the thermal conductivity of the composite reached the maximum (1.06 W/m·K) when the mass fraction of GNPs was 4.3%, and it was finally increased by 307.7% compared with epoxy resin matrix.

Copyright © 2016 by ASME

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