The objective of this paper is to propose constructing a 2D ordinal fillers structure to improve the breakdown strength of BN/ER. By loading ferrite on the fillers and applying a rotating magnetic field during curing process, epoxy composites with tiled structure of plate-type BN are obtained. Considering the side effect of ferrite on the insulation properties, its minimum load under the premise of implementing the tiled structure is determined, accordingly the composite materials with breakdown strength about 30% higher than that of traditional BN/ER is obtained. Furthermore, the technological parameters of magnetic treatment is analyzed quantitatively, and a meso-scopic finite element model of BN/ER is built to further discuss the enhancing mechanism of breakdown strength brought by the filler tiled structure.

中文翻译：

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填充剂的二维有序平铺结构增强了BN / ER的击穿强度

本文的目的是提出构造二维顺序填充物结构以提高BN / ER的击穿强度。通过将铁氧体负载在填料上并在固化过程中施加旋转磁场，可以得到具有平板型BN瓷砖结构的环氧复合材料。考虑到铁氧体对绝缘性能的影响，在实现平铺结构的前提下确定了铁氧体的最小载荷，从而得到了击穿强度比传统的BN / ER高出约30％的复合材料。此外，对磁处理的技术参数进行了定量分析，建立了BN / ER的介观有限元模型，以进一步探讨填充砖结构带来的击穿强度提高的机理。