Epoxy-Based Dielectric Materials for Solid Insulator: Preparation, Dielectric Properties, and Breakdown Performance

Nan Li; Wei Deng; Hui Gang Sun

doi:10.4028/www.scientific.net/AMR.798-799.197

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 798-799Epoxy-Based Dielectric Materials for Solid...

Epoxy-Based Dielectric Materials for Solid Insulator: Preparation, Dielectric Properties, and Breakdown Performance

Abstract:

In this article, epoxy-based dielectric materials for solid insulator were investigated. First, epoxy-based polymeric samples with different permittivities were prepared by incorporating a mixture of two fillers (Al₂O₃ and SrTiO₃) into epoxy matrix. Then, dielectric properties were characterized for the epoxy-based samples by using a dielectric spectrometer with varied frequency. Finally, breakdown tests were performed under AC voltage to characterize the breakdown strength of the dielectric material. Results indicated that the permittivity (dielectric constant) of epoxy-based materials can be adjusted only by changing the mixing ratio of two types of fillers. On the other hand, the obtained dielectric materials showed acceptable breakdown strength with the present amounts of fillers.

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Periodical:

Advanced Materials Research (Volumes 798-799)

Pages:

197-200

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.798-799.197

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Online since:

September 2013

Authors:

Nan Li, Wei Deng, Hui Gang Sun

Keywords:

Breakdown Strength, Dielectric Constant, Dielectric Material, Epoxy-Based Polymer, Solid Insulator

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