碳纤维基于其低密度、高强度和优异的热稳定性的特点,具有承载和吸波双重功能,近年来成为吸波特别是高温吸波材料的热点研究对象。综述了碳纤维及其复合材料的吸波研究进展,探讨了影响碳纤维及其复合材料电磁性能的各种因素,介绍了通过调控碳纤维几何形状、形态、浓度及不同的处理方式获得最佳性能的方法。最后对未来碳纤维及其复合吸波材料的发展做作出展望。
Carbon fiber,with the characteristics of low density,high strength and excellent thermal stability,has the dual functions of carrying capability and microwave absorption,and has become a hot research topic in recent years for microwave absorbing materials.In this paper,we reviewed the research progress of carbon fibers and their composites in microwave absorption,discussed various factors affecting the electromagnetic properties of carbon fibers and their composites,and introduced the methods to obtain the best performance by regulating the geometry,morphology,concentration and different treatment methods of carbon fibers.Finally,the future development of carbon fibers and their composite microwave absorbing materials was expected.
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