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Materials 2017, 10(12), 1442; doi:10.3390/ma10121442

Development of AlN/Epoxy Composites with Enhanced Thermal Conductivity

Key Laboratory of Transparent Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
University of Chinese Academy of Sciences, Beijing 100049, China
Beijing Institute of Space Long March Vehicle, Beijing 100076, China
The State Key Lab of High Performance Ceramics and Surperfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
Authors to whom correspondence should be addressed.
Received: 27 November 2017 / Revised: 10 December 2017 / Accepted: 11 December 2017 / Published: 18 December 2017
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AlN/epoxy composites with high thermal conductivity were successfully prepared by infiltrating epoxy into AlN porous ceramics which were fabricated by gelcasting of foaming method. The microstructure, mechanical, and thermal properties of the resulting composites were investigated. The compressive strengths of the AlN/epoxy composites were enhanced compared with the pure epoxy. The AlN/epoxy composites demonstrate much higher thermal conductivity, up to 19.0 W/(m·K), compared with those by the traditional particles filling method, because of continuous thermal channels formed by the walls and struts of AlN porous ceramics. This study demonstrates a potential route to manufacture epoxy-based composites with extremely high thermal conductivity. View Full-Text
Keywords: composites; thermal conductivity; AlN porous ceramics; infiltrating composites; thermal conductivity; AlN porous ceramics; infiltrating

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Xu, Y.; Yang, C.; Li, J.; Mao, X.; Zhang, H.; Hu, S.; Wang, S. Development of AlN/Epoxy Composites with Enhanced Thermal Conductivity. Materials 2017, 10, 1442.

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