采用化学镀工艺,在空心陶瓷微球表面复合钴-铁合金.首先,利用场发射扫描电子显微镜(FE-SEM)、X射线能谱仪( EDS)分别对化学镀前后的空心陶瓷微球进行表征；其次,利用X射线衍射仪(XRD)表征镀钴-铁空心陶瓷微球的结晶状态；最后,用网络矢量分析仪和振动样品磁强计(VSM)分别测试镀钻-铁空心陶瓷微球的电磁损耗和磁性能,并通过计算分析微球的微波吸收性能.结果表明:经过化学镀,空心陶瓷微球表面沉积了均匀、致密的钴-铁合金.镀钴-铁空心微球(2.5g/cm3)在2～18GHz的频率范围内有良好的吸波性能,并且强于单种金属镀层的空心陶瓷微球,具有宽频的吸收特性.另外,热处理还能改善镀层钴-铁合金的软磁性能.
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