Journal
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
Volume 79, Issue 11, Pages 1037-1041Publisher
KOREAN PHYSICAL SOC
DOI: 10.1007/s40042-021-00309-6
Keywords
Soft magnetic composites; Permeability; Amorphous
Categories
Funding
- National Research Foundation of Korea (NRF) - Korea government's Ministry of Science and ICT (MSIT) [NRF-2020R1A2B5B01002184]
- Materials, Components and Equipment Research Program - Gyeonggi Province [AICT-003-T1]
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This study investigated the magnetic properties and core loss of a soft magnetic composite based on an Fe amorphous alloy with different particle sizes. Fe amorphous alloy powders with different sizes were prepared using sieving and a gas atomizing process. The magnetic properties of the synthesized cores were studied using a vibrating sample magnetometer, and permeability and core-loss measurements were conducted using an impedance analyzer and a B-H analyzer.
Recently, soft magnetic composites (SMCs) have been investigated considerably because of an incessant need for high performance in the high-frequency range. If high performance is to be achieved at high frequencies, the permeability must be increased, and core-loss reduced. In this study, we examined the magnetic properties and the core loss of a soft magnetic composite based on a Fe amorphous alloy with different particle sizes. The amorphous Fe alloy powders with different average sizes from 25 to 63 mu m were prepared as raw materials using sieving. Powders were prepared using a gas atomizing process. The DC magnetic properties of the synthesized cores were studied with a vibrating sample magnetometer (VSM), and the permeability and the core-loss measurements were conducted on an impedance analyzer and a B-H analyzer, respectively.
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