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Thermal conductivity and electric breakdown strength properties of epoxy/ alumina /boron nitride nanosheets composites

  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

13 引用 (Scopus)

摘要

Dielectric polymer composites with high thermal conductivity and high electric breakdown strength are needed for high voltage devices. Epoxy resins is an excellent electrically insulating material, but low thermal conductivity limits its applications. This work aims to effectively enhance the thermal conductivity and keep the breakdown strength of composites as high as possible. In this study, α-alumina (α-Al2O3) particles with an average size of 0.2μm, and boron nitride nanosheets (BNNSs) with an average diameter of 1μm and thickness of around 40nm were homogeneously mixed with epoxy resin, and a three-phase composite was thus obtained. The superiority of this method is that three-phase composites not only show significantly increased thermal conductivity but also have higher breakdown strength in comparison with that of the two-phase α-Al203/epoxy composites. It is clear that epoxy with hybrid fillers has great promising for high thermal conductive insulating materials for the high voltage insulation.

源语言英语
主期刊名Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016
出版商Institute of Electrical and Electronics Engineers Inc.
页355-358
页数4
ISBN(电子版)9781509028023
DOI
出版状态已出版 - 18 8月 2016
活动1st IEEE International Conference on Dielectrics, ICD 2016 - Montpellier, 法国
期限: 3 7月 2016 → 7 7月 2016

丛书

姓名Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016
卷1

会议

会议1st IEEE International Conference on Dielectrics, ICD 2016
国家/地区法国
市Montpellier
时期3/07/16 → 7/07/16

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