场致电阻材料在强电磁脉冲防护中的应用展望

发布时间：2019-05-23 21:04

【摘要】：为同时实现电子信息装备正常电磁环境下工作和强电磁脉冲下电磁防护的双重功能,介绍了一种在电磁场下具有变阻抗特性的智能电磁防护材料,场致电阻材料.该防护材料利用其在强电磁场下发生绝缘体/导体相变的特性,可以实现在强电磁脉冲辐射下防护材料由高阻抗向低阻抗的转变.场致电阻材料用于电磁防护具有电磁能量选择特性,对于低功率的安全电磁波可以高效透射,而对高功率的电磁脉冲则有效屏蔽,从而达到快速感知电磁环境变化并迅速调节电磁性能的要求.介绍了几种场致电阻材料,分析了其在电磁脉冲防护领域中应用的优缺点,并对未来强电磁脉冲防护材料的发展进行了展望。
[Abstract]:In order to realize the dual functions of electronic information equipment working in normal electromagnetic environment and electromagnetic protection under strong electromagnetic pulse at the same time, an intelligent electromagnetic protection material and field resistance material with variable impedance under electromagnetic field are introduced. The protective material can realize the transformation from high impedance to low impedance under strong electromagnetic pulse radiation by using the characteristic of insulator / conductor phase transition in strong electric magnetic field. The field resistance material used in electromagnetic protection has the characteristics of electromagnetic energy selection, which can be transmitted efficiently for the safe electromagnetic wave with low power, and effectively shielded against the high power electromagnetic pulse. In order to achieve the requirements of quickly sensing the change of electromagnetic environment and rapidly adjusting the electromagnetic performance. This paper introduces several kinds of field resistance materials, analyzes their advantages and disadvantages in the field of electromagnetic pulse protection, and looks forward to the development of strong electromagnetic pulse protection materials in the future.
【作者单位】：石家庄军械工程学院先进材料研究所;
【分类号】：TB34

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