磁场热处理对铁基纳米晶合金磁性能的影响  

Effects of magnetic heat treatment on the magnetic properties of Fe-based nanocrystalline alloy

作　　者：刘笑闯 李准[1] 崔兴华[1] 刘天成[1] 李德仁[1] 卢志超[1] 

机构地区：[1]中国钢研科技集团有限公司安泰科技股份有限公司国家非晶微晶合金工程技术研究中心,北京100081

出　　处：《金属功能材料》2015年第2期4-6,共3页Metallic Functional Materials

基　　金：国家863项目资助项目(2012AA050215)

摘　　要：研究了不同条件的磁场热处理工艺对铁基纳米晶带材磁性能的影响。研究结果表明,铁基纳米晶材料在0~10kHz范围内,其磁导率随施加磁场的温度降低而迅速升高,而在10kHz以上的频段,其磁导率随施加磁场温度的变化较小。与普通热处理的结果相比,在400℃以下施加磁场可以提高材料0~50kHz范围内的磁导率,而在400℃以上施加磁场却可以压低材料0~50kHz范围内的磁导率,并且施加磁场后均能提高材料在50kHz以上的磁导率。The effect of magnetic field heat treatment was investigated at different conditions of the process on magnetic properties of Fe based nanocrystalline ribbons.The results show that magnetic permeability of Fe based nanocrystalline materials with the range of 0~10kHz increase rapidly with increasing the temperature of applied magnetic field.In contrast,the magnetic permeability shows a slight change above 10 kHz.Compared with the ordinary heat treatment results,applying magnetic field,in the range of 0~50kHz,can improve magnetic permeability of the materials below 400℃,while applying magnetic field can decline magnetic permeability above 400℃.Applying magnetic field can also improve magnetic permeability of materials above 50 kHz.

关 键 词：铁基纳米晶 磁场热处理 磁导率 

分 类 号：TG156.97[金属学及工艺—热处理] TB383.1[金属学及工艺—金属学]