无机非金属及其复合材料
自由面平整化非晶合金Fe67 Co18 Si11 B4 的软磁性能
丁燕红1 ,薛鹏鹤1 ,李岩2 ,马叙2
1 天津理工大学电气电子工程学院, 天津市薄膜电子与通讯器件重点实验室, 天津 300384;
Soft Magnetic Properties of Fe67 Co18 Si11 B4 Amorphous Alloy After
DING Yanhong1 , XUE Penghe1 , LI Yan2 , MA Xu2
1 Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384;
摘要 采用单辊熔体急冷法制备Fe67 Co18 Si11 B4 非晶合金,并对其自由面进行表面平整化,经去应力退火后研究改变自由面粗糙度对磁性的影响。结果发现,自由面平整化使Fe67 Co18 Si11 B4 非晶合金的自由面粗糙度由原来的24.26 nm降低到5.53 nm;自由面表面平整化降低了Fe67 Co18 -Si11 B4 非晶软磁合金的矫顽力、表面杂散场、内应力,是一种既可以提高Fe67 Co18 Si11 B4 非晶软磁合金的静态磁性,又提高其高频磁性的低成本、低功耗方法。
关键词:
软磁合金
表面平整化
磁谱
Abstract: Amorphous Fe67 Co18 Si11 B4 alloy ribbon was prepared by single roller melt spinning technique. The effects of free surface roughness on magnetic properties after surface leveling and stress relief annealing on have been studied. After surface leveling, the roughness of free surface decreased to 5.53 nm from its original 24.26 nm. The research found that surface leveling on free surface lead to decline of coercivity, stray field of the surface, and the interior stress of Fe67 Co18 Si11 B4 amorphous alloy, which is an effective and low cost method to achieve both improvement of static magnetic properties and high frequency magnetic properties.
Key words:
soft magnetic alloy
surface leveling
permeability spectra
出版日期: 2019-02-25
发布日期: 2019-03-11
基金资助: 国家自然科学基金(51101113);天津市自然科学基金(14JCYBJC16200;15JCZDJC38700)
作者简介: 丁燕红,2008年1月毕业于北京科技大学,获得工学博士学位,主要从事非晶、纳米晶软磁合金研究。马叙,2007年8月毕业于天津大学,获得工学博士学位,主要从事非晶、纳米晶软磁合金研究。
引用本文:
丁燕红, 薛鹏鹤, 李岩, 马叙. 自由面平整化非晶合金Fe67 Co18 Si11 B4 的软磁性能[J]. 材料导报, 2019, 33(4): 586-589.
67 Co18 Si11 B4 Amorphous Alloy After
链接本文:
http://www.mater-rep.com/CN/10.11896/cldb.201904004
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http://www.mater-rep.com/CN/Y2019/V33/I4/586
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2019, Vol. 33 
