摘要
随着大数据、物联网和新能源汽车等新兴产业的快速发展,相关电子设备与元器件向高性能化、高集成化、轻量化、精密化等方向迈进。随之产生的电磁干扰会威胁人体健康、信息安全以及各种电子设备的正常工作,因此迫切需要高性能的电磁屏蔽材料。碳纤维具有优异的力学性能和良好的导电性,其树脂基复合材料更是兼具质量轻、比强度/模量高、耐疲劳性好、可设计性强以及良好的电磁屏蔽性能等优势。但与传统的金属材料相比,碳纤维复合材料的电磁屏蔽性能较低,为了进一步提高其电磁屏蔽性能,通常需要对碳纤维进行表面改性。本文介绍了碳纤维复合材料的电磁屏蔽机理,综述了不同的碳纤维表面改性方法以及对碳纤维增强树脂基复合材料的电磁屏蔽性能的影响,分析了各种碳纤维表面改性方法的优缺点,进一步对碳纤维增强树脂基电磁屏蔽复合材料的发展趋势进行了展望。
With the rapid development of emerging industries such as big data,internet of things and new energy vehicles,related electronic devices and components are evolving towards high performance,high integration,lightweight and precision.The resulting electromagnetic interference can pose a threat to human health,information security and normal operation of various electronic devices.Therefore,high-performance electromagnetic shielding materials are urgently needed.Carbon fiber has excellent mechanical properties and good electrical conductivity,and its resin matrix composites have many advantages,such as light weight,high specific strength/modulus,good fatigue resistance,strong designability and excellent electromagnetic shielding performance.However,compared with traditional metal materials,carbon fiber composites have lower electromagnetic shielding performance.In order to further improve the electromagnetic shielding performance of carbon fiber composites,it is usually necessary to modify the surface of carbon fiber to increase its electrical conductivity.In this paper,the electromagnetic shielding mechanism of carbon fiber composites is introduced.The various surface modification methods of carbon fiber and their effects on the electromagnetic shielding performance of resin matrix composites are reviewed.The advantages and disadvantages of various carbon fiber surface modification methods are analyzed.The development trend of carbon fiber reinforced resin matrix electromagnetic shielding composites is further prospected.
作者
何维清
蒲浩
岳生金
颜春
祝颖丹
陈明达
虞筱琛
苏安
HE Weiqing;PU Hao;YUE Shengjin;YAN Chun;ZHU Yingdan;CHEN Mingda;YU Xiaochen;SU An(College of Chemical Engineering,Zhejiang University of Technology,Hangzhou 310018,China;Zhejiang Provincial Key Laboratory of Robotics and Intelligent Manufacturing Equipment Technology,Ningbo Institute of Material Technology&Engineering,Chinese Academy of Sciences,Ningbo 315201,China)
出处
《功能材料》
CAS
CSCD
北大核心
2024年第2期2074-2081,共8页
Journal of Functional Materials
基金
国家自然科学基金(52177056)
浙江省“领雁”研发攻关计划项目(2024C01156)
宁波市科技创新2025重大专项(2020Z057)
宁波市重点研发计划项目(2023Z024,2023Z086,2023Z149)。
关键词
碳纤维
表面改性
复合材料
电磁屏蔽
carbon fiber
surface modification
composites
electromagnetic shielding
作者简介
通讯作者:颜春,E-mail:yanchun@nimte.ac.cn;通讯作者:祝颖丹,E-mail:y.zhu@nimte.ac.cn;何维清(2000-),男,在读硕士,师承祝颖丹研究员和陈明达高工,从事碳纤维增强树脂基电磁屏蔽复合材料研究。
