Fe基磁性金属微粉吸收剂发展现状及趋势

Development status and trend of Fe-based magnetic metallic powder absorbent

电磁波吸收材料在军工和民用领域都有非常广泛的应用,Fe基磁性金属微粉吸收剂可满足吸波材料向厚度薄、质量轻、频带宽、强吸收方向发展的需要,是目前电磁波吸收材料研究的重点。对Fe基磁性金属微粉吸收剂的研究重点内容进行了总结,综述了Fe基磁性金属微粉研究进展,包括Sendust合金、羰基铁、铁镍合金,并对金属微粉吸收剂未来的发展进行了展望。

Microwave absorbing materials has been widely used in military and civilian application.Fe-based magnetic metallic powder absorbent is the research priority for the microwave absorbing materials owing to the advantages of thin thickness,light density,broad frequency band and intensive absorption.The main work of Fe-based magnetic metallic powder absorbent was concluded,the research progress of main Fe-based magnetic powder including Sendust,carbonyl iron,FeNi alloy was reviewed.Finally the development trend was expounded.