Magnetic properties and loss separation in FeSi/MnZnFe2O4 soft magnetic composites

被引：103
|
作者：
Lauda, M. [1 ]
Fuezer, J. [1 ]
Kollar, P. [1 ]
Streckova, M. [2 ]
Bures, R. [2 ]
Kovac, J. [3 ]
Bat'kova, M. [3 ]
Bat'ko, I. [3 ]
机构：
[1] Safarik Univ, Fac Sci, Inst Phys, Pk Angelinum 9, Kosice 04154, Slovakia
[2] Slovak Acad Sci, Inst Mat Res, Watsonova 47, Kosice 04001, Slovakia
[3] Slovak Acad Sci, Inst Expt Phys, Watsonova 47, Kosice 04001, Slovakia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2016年 / 411卷
关键词：
Powder metallurgy; SEM; Soft magnetic composites; Permeability; Magnetic measurements; POWER LOSS; FERRITE; FE; PARAMETERS; SILICA;
D O I：
10.1016/j.jmmm.2016.03.051
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigated composites that have been prepared from FeSi powders covered with MnZnFe2O4 (MnZn ferrite), which was prepared by sol-gel synthesis accompanied with the auto-combustion process. The aim of this paper is to analyze the complex permeability and core losses of prepared samples with different amount of MnZn ferrite. The microstructure and the powder morphology were examined by scanning electron microscopy. Magnetic measurements on bulk samples were carried out using a vibrating sample magnetometer, an impedance analyzer and hysteresisgraphs. The results indicate that the composites with 2.6 wt% MnZn ferrite show better soft magnetic properties than the composites with about 6 wt% MnZn ferrite. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：12 / 17
页数：6
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