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Title:
窒化鉄系磁性材料
Document Type and Number:
Japanese Patent JP7108258
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an FeNsystem magnetic material capable of working a higher coercive force.SOLUTION: A magnetic material includes an iron nitride system material. The present invention relates to an iron nitride system magnetic material and a green compact include as the iron nitride system material: a) a first powder including (FeX)Nin which a means particle diameter of a primary particle is 10 to 200nm (however, X indicates at least one kind of an element displacable to an Fe site, and m satisfies the following equation: 0≤m≤5); and b) a second powder including RFeNin which the mean particle diameter of the primary particle is 0.3 to 500 μm (however, R indicates at least one kind of a rare earth element, and n satisfies the following equation: 0

Inventors:
Tomoyuki Ogawa
Masaya Kobayashi
戸田 ▲徳▼
Otani Shoji
Application Number:
JP2017206610A
Publication Date:
July 28, 2022
Filing Date:
October 25, 2017
Export Citation:
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Assignee:
Future Materialz Co., Ltd.
Kansai Catalyst Chemical Co., Ltd.
International Classes:
H01F1/059; B22F1/00; B22F3/00; C22C38/00
Domestic Patent References:
JP2012253247A
JP2016146387A
JP8031626A
JP4346203A
Attorney, Agent or Firm:
Atsushi Fujii