针对当前高功率微波武器的快速发展,而地面装备壁板大多数均无高功率电磁脉冲防护的性能效果,基于多层屏蔽材料对电磁波的损耗机制,采用碳系非金属材料及高磁性合金材料等,设计出一款对高功率电磁脉冲及常规连续电磁波均具有高效的屏蔽效果的多层复合屏蔽材料。该多层复合屏蔽材料在窄带高功率电磁脉冲1～10GHz频段内屏蔽效能≥60.1dB,常规连续电磁波150kHz～10GHz频段内屏蔽效能≥60dB,且具有厚度薄、密度小的优势,实现了装备壁板对高功率电磁脉冲良好的防护效果。
In view of the current rapid development of high-power microwave weapons,and the fact that most wall panels installed on the ground lack protective performance against high-power electromagnetic pulses,based on the loss mechanism of electromagnetic waves by multilayer shielding composite material,a multilayer composite shielding material was designed using carbon-based non-metallic materials and huge-magnetic alloy materials.This material exhibited efficient shielding effects against high-power electromagnetic pulses and conventional electromagnetic waves.The multilayer shielding composite materials achieved a shielding effectiveness of ≥60.1dB within the frequency band of 1GHz to 10GHz for narrowband high-power electromagnetic pulse,and a shielding effectiveness of ≥60dB within the frequency band of 150kHz to 10GHz for conventional electromagnetic waves.This material had the advantages of thin thickness and low density,achieving good protection effect of equipment wall panels against high-power electromagnetic pulses.
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