新型柔性雷达波吸收材料的制备与性能研究  

Preparation and property of novel flexible radar wave absorbing material

作　　者：王佳佳 黄赤 刘志礼 南茜 张运湘 李雪 刘智敏 Wang Jiajia;Huang Chi;Liu Zhili;Nan Xi;Zhang Yunxiang;Li Xue;Liu Zhimin(Luoyang Institute of Cutting-edge Technology,Luoyang 471000;Kuang-Chi Advanced Technology Co.,Ltd.,Shenzhen 518057;Kuang-Chi High-end Equipment Technology R&DCo.,Ltd.,Shenzhen 518109;Military Representative Office of Air forcearmament Department Shanghai bureauin Nanchang District,Nanchang 330000)

机构地区：[1]洛阳尖端技术研究院,洛阳471000 [2]深圳光启尖端技术有限责任公司,深圳518057 [3]深圳光启高端装备技术研发有限公司,深圳518109 [4]空装上海局驻南昌地区军事代表室,南昌330000

出　　处：《化工新型材料》2021年第8期241-245,共5页New Chemical Materials

摘　　要：采用丁腈橡胶(NBR)与自制SiO_(2)包覆片状羰基铁粉(FCIP@SiO_(2))混合制备出吸波材料,在1-16GHz范围内,研究了不同含量吸波剂、不同厚度对材料吸波性能和力学性能的影响。结果表明:铁粉片状化有利于磁导率的提高;当吸波厚度为1.5mm,填充85%FCIP@SiO_(2)时,峰位在2.18GHz,反射率-13.58dB,在低频有较好的吸收效果。经过200℃处理24h后,贴片吸波性能无明显衰减,具有良好的力学性能与耐高温特性。A flexible absorbing material was prepared by mixing nitrile rubber with homemade flake carbonyl iron powder with silica coating.The effect of microwave-absorber content and thickness on microwave absorption properties in the range of 1-16GHz and mechanical properties were studied.The results shown that the flaking process of carbonyl iron powder could increase its permeability.The reflection loss of absorbing patch with thickness of 1.5mm and 85%FCIP@SiO_(2)reached-13.58dB at 2.18GHz.The microwave absorption properties of absorbing patch was not changed after 200℃treatment for 24h,displaying good mechanical properties and high temperature resistance.

关 键 词：丁腈橡胶 羰基铁粉 反射率 吸波性能 

分 类 号：TB33[一般工业技术—材料科学与工程]