摘要
电磁污染已成为危害人类生存环境的重要污染源。吸波材料是一类能够吸收或大幅减弱投射到它表面的电磁波能量的材料,广泛应用于军事设备的隐身、电子电气设备及个体防护领域。传统的吸波材料通常在金属材料上敷设吸波层,以此来减少电磁波的反射,避免被雷达侦测到。然而,随着科学技术的发展以及实际使用环境的多元化,结构功能一体化材料以其优异的综合性能,被用于制备吸波材料。对吸波材料进行评价时,不能只考虑吸波材料的反射率,还需考虑吸波材料的透过率。因此,需要不断地完善吸波材料的评价测试方法,为吸波材料的研发与应用提供评价依据和数据支撑。根据相关测试标准,并结合近年吸波材料的相关研究,介绍了目前吸波材料吸波性能的评价指标及其主要测试方法。
Electromagnetic pollution has become an important source of harm to human living environment. Absorbing materials can absorb,or greatly reduce the energy of electromagnetic waves which projected on the surface of the material.They are widely used in the stealth of military equipment,electrical and electronic equipment and personal protection.Traditional absorbing materials are usually coated by a wave absorbing layer on the metal material to reduce the reflection of the electromagnetic wave and avoid being detected by the radar.However,with the development of science and technology,the practical application environment of absorbing materials is diversified.Structural and functional integrated materials are used to prepare absorbing material with its excellent overall performance.When evaluating absorbing material,it can not only consider the reflectivity of the absorbing material,but also needs to consider the transmissivity of the absorbing material.Therefore,it is necessary to constantly improve evaluation methods of absorbing'materials, provide evaluation basis and data support for the development and application of microwave absorbing materials.According to the relevant testing standards and combining with recent studies on absorbing materials, the evaluation indicators and the main testing methods of the absorbing properties are introduced.
作者
贠凯迪
张昭环
YUN Kai-di;ZHANG Zhao-huan(College of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an 710048, Shaanxi, China)
出处
《合成纤维》
CAS
2018年第11期41-44,51,共5页
Synthetic Fiber in China
基金
陕西省教育厅重点科学研究计划(17JS043)
中国纺织工业联合会科技指导性项目计划(2016064)
关键词
吸波材料
反射率
吸波性能
吸波测试
吸波评价
absorbing material
reflection loss
absorbing property
absorbing test
absorbing evaluation
