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Title:
POWDER FOR MAGNETIC CORES, MAGNETIC CORE USING SAME, AND COIL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2019/208768
Kind Code:
A1
Abstract:
A powder for magnetic cores, which contains particles of a first Fe-based alloy having a region in which nano-sized FeSi crystals form a columnar texture and particles of a soft magnetic material composed of a metal texture different from that of the particles of the first Fe-based alloy. The columnar texture is composed of multiple linear FeSi crystals that are arranged along in almost one direction and an amorphous phase that is present between the linear FeSi crystals, and is a striped texture in which the linear FeSi crystals are persent in parallel with each other.

Inventors:
KATO Tetsuro (2-70, Konan 1-chome, Minato-k, Tokyo 24, 〒1088224, JP)
CHIWATA Nobuhiko (2-70, Konan 1-chome, Minato-k, Tokyo 24, 〒1088224, JP)
OHTA Motoki (2-70, Konan 1-chome, Minato-k, Tokyo 24, 〒1088224, JP)
Application Number:
JP2019/017934
Publication Date:
October 31, 2019
Filing Date:
April 26, 2019
Export Citation:
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Assignee:
HITACHI METALS, LTD. (2-70, Konan 1-chome Minato-k, Tokyo 24, 〒1088224, JP)
International Classes:
B22F1/00; B22F3/00; B22F9/08; H01F1/153; C22C38/00
Domestic Patent References:
WO2015008813A12015-01-22
Foreign References:
JP2016027656A2016-02-18
JP2014125675A2014-07-07
JP2017095773A2017-06-01
JP2017145442A2017-08-24
Attorney, Agent or Firm:
TAKAISHI Kitsuma (Kagurazaka FN Bldg. 5F, 67 Kagurazaka 6-chome, Shinjuku-k, Tokyo 25, 〒1620825, JP)
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