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Electromagnetic wave absorption of silicon carbide based materials

机译：碳化硅基材料的电磁波吸收

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摘要

Increasing research effort has been made aiming at developing electromagnetic (EM) wave absorbing materials with high absorption performance. An ideal EM absorber should be relatively light-weight, thermally stable, capable of absorbing wide EM frequency, and cost effective. As a dielectric material, silicon carbide (SiC) has great potential with relatively low density, good thermal and chemical resistance, and it can function at high temperatures or under harsh working environments. This review summarizes the research progress in the design and characterization of SiC and SiC based composites as EM absorption materials. Pristine SiC with various morphological, phase, and structural features can be tailored to achieve better absorption performance. Moreover, SiC based materials can either be modified using dielectric or magnetic materials, or be designed with variation in geometry, composition, and mass fraction of the filler composition for further improvement in EM absorption. This review intends to inspire new concepts and approaches for designing excellent EM absorbing materials.
机译：为了开发具有高吸收性能的电磁（EM）波吸收材料，已经进行了越来越多的研究。理想的电磁吸收器应相对轻量，热稳定，能够吸收宽的电磁频率并具有成本效益。作为介电材料，碳化硅（SiC）具有相对较低的密度，良好的耐热性和耐化学性，并且具有很大的潜力，并且可以在高温或恶劣的工作环境下工作。综述了作为电磁吸收材料的SiC和SiC基复合材料的设计与表征的研究进展。可以定制具有各种形态，相和结构特征的原始SiC，以获得更好的吸收性能。此外，可以使用介电或磁性材料对SiC基材料进行改性，或者设计成具有几何形状，成分和填料成分质量分数变化的形式，以进一步提高EM吸收率。这篇综述旨在激发设计优秀的电磁吸收材料的新概念和方法。

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