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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Facile synthesis and electromagnetic wave absorption properties of magnetic carbon fiber coated with Fe-Co alloy by electroplating
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Facile synthesis and electromagnetic wave absorption properties of magnetic carbon fiber coated with Fe-Co alloy by electroplating

机译：电镀Fe-Co合金包覆的磁性碳纤维的合成与电磁波吸收特性

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摘要

Magnetic carbon fiber coated with Fe-Co alloy was prepared by electroplating at 25 °C for 5 min. The obtained magnetic coatings show sheet-like morphology and the crystal structure of the uniform coating is CoaFe_7 with a thickness of about 0.5 μm. The saturation magnetization of the magnetic carbon fiber reaches 31.5 emu/g with a coercivity of 87.1 Oe. The complex permittivity and permeability of magnetic carbon fiber/paraffin (30wt%) composite were measured in the 2-18 GHz frequency range. The reflection loss below -10dB covers the whole frequency range while below -20dB the absorption frequency bandwidth is 6.8 GHz, and the minimum value is -48.2 dB at a coating thickness of 1.7 mm. Magnetic carbon fiber exhibits excellent electromagnetic wave absorption properties.
机译：通过在25°C下电镀5分钟来制备涂有Fe-Co合金的磁性碳纤维。所获得的磁性涂层显示出片状形态，并且均匀涂层的晶体结构为CoaFe_7，厚度约为0.5μm。磁性碳纤维的饱和磁化强度达到31.5 emu / g，矫顽力为87.1 Oe。在2-18 GHz频率范围内测量了磁性碳纤维/石蜡（30wt％）复合材料的复介电常数和磁导率。低于-10dB的反射损耗会覆盖整个频率范围，而低于-20dB的反射损耗带宽为6.8 GHz，涂层厚度为1.7 mm时的最小值为-48.2 dB。磁性碳纤维具有出色的电磁波吸收性能。

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