CN111418034B - 永磁铁、永磁铁的制造方法及旋转机 - Google Patents

永磁铁、永磁铁的制造方法及旋转机 Download PDF

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Publication number
CN111418034B
CN111418034B CN201780097304.6A CN201780097304A CN111418034B CN 111418034 B CN111418034 B CN 111418034B CN 201780097304 A CN201780097304 A CN 201780097304A CN 111418034 B CN111418034 B CN 111418034B
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China
Prior art keywords
permanent magnet
raw material
coercive force
alloy
absolute value
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Chinese (zh)
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CN111418034A (zh
Inventor
中野善和
信时英治
中村泰贵
辻孝诚
长谷川治之
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Continuous Casting (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CN201780097304.6A 2017-12-05 2017-12-05 永磁铁、永磁铁的制造方法及旋转机 Active CN111418034B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/043682 WO2019111328A1 (ja) 2017-12-05 2017-12-05 永久磁石、永久磁石の製造方法、および、回転機

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CN111418034A CN111418034A (zh) 2020-07-14
CN111418034B true CN111418034B (zh) 2021-08-13

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Country Link
JP (1) JP6359232B1 (ja)
KR (1) KR102313049B1 (ja)
CN (1) CN111418034B (ja)
WO (1) WO2019111328A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112019007700T5 (de) * 2019-09-10 2022-06-15 Mitsubishi Electric Corporation Seltenerd-magnetlegierung, verfahren zu ihrer herstellung, seltenerd-magnet, rotor und rotierende maschine
DE112020007065T5 (de) * 2020-04-08 2023-01-26 Mitsubishi Electric Corporation Seltenerd-sintermagnet, verfahren zum produzieren eines seltenerd-sintermagneten, rotor und rotationsmaschine
DE112020007740T5 (de) * 2020-10-29 2023-09-07 Mitsubishi Electric Corporation Gesinterter Magnet aus seltenen Erden, Verfahren zur Herstellung einesgesinterten Magnets aus seltenen Erden, Rotor und rotierende Maschine
JP7361947B2 (ja) * 2020-11-17 2023-10-16 三菱電機株式会社 希土類焼結磁石、希土類焼結磁石の製造方法、回転子および回転機
CN112563013A (zh) * 2020-11-30 2021-03-26 三菱电机(中国)有限公司 一种晶界扩散制备高内禀矫顽力钕铁硼永磁材料的方法
JP7130156B1 (ja) * 2021-08-04 2022-09-02 三菱電機株式会社 希土類焼結磁石および希土類焼結磁石の製造方法、回転子並びに回転機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61295355A (ja) * 1985-06-21 1986-12-26 Sumitomo Special Metals Co Ltd 永久磁石合金
US4767474A (en) * 1983-05-06 1988-08-30 Sumitomo Special Metals Co., Ltd. Isotropic magnets and process for producing same
JPH023207A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 永久磁石
CN1451166A (zh) * 2001-06-19 2003-10-22 三菱电机株式会社 稀土类永久磁铁材料
CN104114305A (zh) * 2012-02-02 2014-10-22 中央电气工业株式会社 R-T-B-Ga系磁体用原料合金及其制造方法
CN105185501A (zh) * 2015-08-28 2015-12-23 包头天和磁材技术有限责任公司 稀土永磁材料的制造方法
CN105489332A (zh) * 2016-01-05 2016-04-13 江苏南方永磁科技有限公司 多稀土相永磁材料及制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0633444B2 (ja) * 1986-01-23 1994-05-02 住友特殊金属株式会社 永久磁石合金
JPH09115713A (ja) 1995-10-23 1997-05-02 Daido Steel Co Ltd 希土類ボンド磁石およびその製造方法
ATE354858T1 (de) * 1998-07-13 2007-03-15 Santoku Corp Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien
JP2010045068A (ja) * 2008-08-08 2010-02-25 Toshiba Corp 永久磁石およびその製造方法
JP6380750B2 (ja) * 2014-04-15 2018-08-29 Tdk株式会社 永久磁石および可変磁束モータ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767474A (en) * 1983-05-06 1988-08-30 Sumitomo Special Metals Co., Ltd. Isotropic magnets and process for producing same
JPS61295355A (ja) * 1985-06-21 1986-12-26 Sumitomo Special Metals Co Ltd 永久磁石合金
JPH023207A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 永久磁石
CN1451166A (zh) * 2001-06-19 2003-10-22 三菱电机株式会社 稀土类永久磁铁材料
CN104114305A (zh) * 2012-02-02 2014-10-22 中央电气工业株式会社 R-T-B-Ga系磁体用原料合金及其制造方法
CN105185501A (zh) * 2015-08-28 2015-12-23 包头天和磁材技术有限责任公司 稀土永磁材料的制造方法
CN105489332A (zh) * 2016-01-05 2016-04-13 江苏南方永磁科技有限公司 多稀土相永磁材料及制备方法

Also Published As

Publication number Publication date
KR20200079514A (ko) 2020-07-03
CN111418034A (zh) 2020-07-14
WO2019111328A1 (ja) 2019-06-13
KR102313049B1 (ko) 2021-10-14
JPWO2019111328A1 (ja) 2019-12-12
JP6359232B1 (ja) 2018-07-18

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