结构吸波复合材料透波层的研究  

Study on wave-transparent layer of structure absorbing composite materials

作　　者：王春齐[1] 符仲宇 杜作娟[1] 黄小忠[1] 

机构地区：[1]中南大学航空航天学院,长沙410073

出　　处：《功能材料》2015年第2期2057-2059,共3页Journal of Functional Materials

基　　金：国家高技术研究发展计划(863计划)资助项目(2012AA7060403)

摘　　要：采用弓形法测试反射率,研究透波层的厚度、材质对结构吸波复合材料电磁性能的影响.结果显示,在4～18GHz 范围内,厚度对其吸波性能具有显著影响,厚度分别为0.25、0.50和1.25mm 的透波层,其结构吸波复合材料的最大吸收峰分别为－37.03,－33.45和－33.22dB；随厚度的增加,吸收峰的位置随向低频段显著漂移,－10dB 的有效吸收带宽也显著变窄,分别为11.5,11和6.5GHz；与厚度相比,材质对结构吸波复合材料电磁性能影响较小.The affection of quality and thickness to the electrical properties of the absorbing structure composite materials were studied by arch method.The results showed that the thickness of wave-transparent layer had a significant effect on the performance of the absorbing structure composite materials at the range of 8-18 GHz, while the thickness were 0.25,0.50 or 1.25mm,the maximum absorption peak were -37.03,-33.45 or-33.22 dB respectively,with increasing of the thickness,the absorption peak positions were drift to the low-frequency band and the effective absorption bandwidth of -10dB was also narrowed greatly,were 11.5,11 or 6.5GHz,respectively.Compared to the thickness,quality of wave-transparent layer had little influence on the electrical properties of the absorbing structure material.

关 键 词：结构吸波复合材料 透波层 材质 厚度 

分 类 号：TB332[一般工业技术—材料科学与工程]