高电压技术2012,Vol.38Issue(9):2343-2348,6.
高效电磁屏蔽复合材料设计及其屏蔽效能测试
Design of High Efficiency Electromagnetic Shielding Composites and Its Shielding Effectiveness Test
摘要
Abstract
To develop electromagnetic shielding composites having integrated properties, we analyzed the shielding mechanism of materials against electromagnetic wave, and put forward formulas of shielding effectiveness of different materials model. Moreover, we presented an optimized model of laminated structural shielding composites of resin-nickel fiber network-resin , estimated the shielding effectiveness from inductive current of the shielding network at high frequency, and manufactured and tested test samples of the proposed composites. The test results of shielding effectiveness show that the shielding composites based on nickel fiber network have a high shielding effectiveness in 14 kHz-18 GHz, reaching 72 dB at 450 MHz. The optimized model makes fully use of shielding mechanism of the materials against electromagnetic wave, thus it provides theoretical basis and guidance for the design of high efficiency shielding composites.关键词
镍纤维/屏蔽网络/复合材料/电磁屏蔽/屏蔽机制/屏蔽效能Key words
nickel fiber/shielding network/composites/electromagnetic shielding/shielding mechanism/shielding effectiveness分类
通用工业技术引用本文复制引用
曲兆明,雷忆三,王庆国,闫丽丽,秦思良..高效电磁屏蔽复合材料设计及其屏蔽效能测试[J].高电压技术,2012,38(9):2343-2348,6.基金项目
装备预研基金 ()