期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 411, 期 -, 页码 12-17出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2016.03.051
关键词
Powder metallurgy; SEM; Soft magnetic composites; Permeability; Magnetic measurements
资金
- Operational Program Research and Development - European Regional Development Fund [ITMS 2622012001, ITMS 26220220105]
- Slovak Research and Development Agency [APW-0222-10]
- Scientific Grant Agency of the Ministry of Education, Science, Research and Sport of the Slovak Republic
- Slovak Academy of Sciences [1/0330/15, 1/0377/16]
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.
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