Fe_(95)Nd_5合金微波物性研究  

Research on Microwave Properties of Fe_(95)Nd_5 Alloy

作　　者：张豹山[1] 杨燚[1] 唐东明[1] 陆怀先[1] 

机构地区：[1]南京大学电子科学与工程学院

出　　处：《安全与电磁兼容》2012年第1期43-45,共3页Safety & EMC

摘　　要：采用高频熔炼、快淬甩带和高能球磨的方式制备了Fe95Nd5合金,并通过控制球磨时间来调控合金粉末的微波物性。结果表明:长时间球磨可以减少合金中α-Fe的晶粒尺寸,使其自然共振频率向低频偏移,从而能够提高其低频的磁损耗μ",采用这种后处理工艺可以获得低频高损耗微波吸收材料。In order to achieve a certain microwave absorption material, Fe95Nd5 alloy powder has been prepared by the method of high-frequency melting, rapid quenching, spinning and high-energy milling. The microwave properties of the powder were controlled by tuning the milling time. The experimental results indicated the size of α-Fe crystalline would been decreased for a long-time milling, and the natural resonance frequency of the corresponding material moved to a low frequency. As a result,μ＂ got a considerable rise. The microwave absorption material for a low-frequency application could be achieved using this preparation process.

关 键 词：微波物性 复磁导率 复介电常数 

分 类 号：TG146.4[一般工业技术—材料科学与工程]