Microwave absorption property of Fe-Si-Al magnetic alloy powders

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作者：

Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China ^{[1
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来源：

Zhongguo Youse Jinshu Xuebao | 2006年 / 3卷 / 524-529期

关键词：

Additives - Aluminum alloys - Insulating materials - Iron alloys - Magnetic materials - Microwaves - Powders - Silicon alloys;

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摘要：

By flattening the metallic materials and by means of a chemical coating method, the anti-electromagnetic interference characteristic of the Fe-Si-Al magnetic alloy powder can be improved. The influence of different flattening time and the different additive contents of insulative materials on electro-magnetic parameters of Fe-Si-Al magnetic alloy powders were discussed. The formulas of reflection coefficient of absorbing materials with conduction bases was analysed. The results shows that this materials can be used as absorbing materials on 1.0-3.5 GHz.

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