基于碳/磁异质涂层修饰的磁性碳纤维复合吸波材料的制备及性能  

Preparation and Properties of Magnetic Carbon Fiber Composite Wave-Absorbing Materials Modified by Carbon/Magnetic Heterogeneous Coating

作　　者：龙啸云 何丽芬 马岩 叶伟 孙启龙 LONG Xiaoyun;HE Lifen;MA Yan;YE Wei;SUN Qilong(National&Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Protection,School of Textile and Clothing,Nantong University,Nantong 226019,China;Nantong Textile and Silk Industry Technology Research Institute,Nantong 226019,China)

机构地区：[1]南通大学纺织服装学院,安全防护用特种纤维复合材料研发国家地方联合工程研究中心,江苏南通226019 [2]南通纺织丝绸产业技术研究院,江苏南通226019

出　　处：《南通大学学报（自然科学版）》2021年第4期51-57,共7页Journal of Nantong University(Natural Science Edition)　

基　　金：南通市基础科学研究计划项目(JC2020083)。

摘　　要：为提高碳纤维复合材料的吸波性能,制备了一种基于碳/磁异质涂层修饰的磁性碳纤维复合吸波材料,采用扫描电子显微镜观察了磁性碳纤维的表面形貌,通过相关测试表征了其电磁参数、波阻抗、损耗因子及吸波性能。结果表明:碳纤维表面构筑了结构稳定的碳/磁异质涂层,该纤维复介电常数实部和虚部分别为2.19~22.32和4.2~32.3,复磁导率的实部和虚部分别为0.98~1.15和0.39~0.44,波阻抗为83.6~260.7Ω,电、磁损耗因子分别为1.17~2.05和0.34~0.43,最低反射损耗为-23.1 dB,有效带宽为4.14 GHz。In order to improve the wave-absorbing property of carbon fiber composite,a kind of magnetic carbon fiber/epoxy resin composite wave-absorbing material modified by carbon/magnetic heterogeneous coating was prepared.The surface morphology of magnetic carbon fiber was observed by scanning electron microscope,and its electromagnetic parameters,wave impedance,loss factor and wave-absorbing property were characterized.The results show that the carbon/magnetic heterogeneous coating constructed on the surface of carbon fiber with stable structure.The real part and imaginary part of the complex permittivity of magnetic carbon fiber is 2.19-22.32 and 4.2-32.3,respectively.The real part and imaginary part of the complex permeability is 0.98-1.15 and 0.39-0.44,respectively.The wave impedance is 83.6-260.7Ω,and the loss factors of electric and magnetic is 1.17-2.05 and 0.34-0.43,respectively.The minimum reflection loss is-23.1 dB,and the effective bandwidth is 4.14 GHz.

关 键 词：碳纤维 磁性颗粒 吸波 

分 类 号：TS102.43[轻工技术与工程—纺织工程] TB34[轻工技术与工程—纺织科学与工程]