KR102313049B1 - 영구 자석, 영구 자석의 제조 방법, 및 회전기 - Google Patents

영구 자석, 영구 자석의 제조 방법, 및 회전기 Download PDF

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Publication number
KR102313049B1
KR102313049B1 KR1020207014994A KR20207014994A KR102313049B1 KR 102313049 B1 KR102313049 B1 KR 102313049B1 KR 1020207014994 A KR1020207014994 A KR 1020207014994A KR 20207014994 A KR20207014994 A KR 20207014994A KR 102313049 B1 KR102313049 B1 KR 102313049B1
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South Korea
Prior art keywords
permanent magnet
raw material
coercive force
alloy
absolute value
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KR1020207014994A
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English (en)
Korean (ko)
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KR20200079514A (ko
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요시카즈 나카노
히데하루 노부토키
야스타카 나카무라
고세이 쓰지
하루유키 하세가와
Original Assignee
미쓰비시덴키 가부시키가이샤
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Publication of KR20200079514A publication Critical patent/KR20200079514A/ko
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0253Apparatus 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)
KR1020207014994A 2017-12-05 2017-12-05 영구 자석, 영구 자석의 제조 방법, 및 회전기 KR102313049B1 (ko)

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

Publications (2)

Publication Number Publication Date
KR20200079514A KR20200079514A (ko) 2020-07-03
KR102313049B1 true KR102313049B1 (ko) 2021-10-14

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KR1020207014994A KR102313049B1 (ko) 2017-12-05 2017-12-05 영구 자석, 영구 자석의 제조 방법, 및 회전기

Country Status (4)

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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
WO2021048916A1 (ja) * 2019-09-10 2021-03-18 三菱電機株式会社 希土類磁石合金、その製造方法、希土類磁石、回転子及び回転機
DE112020007065T5 (de) * 2020-04-08 2023-01-26 Mitsubishi Electric Corporation Seltenerd-sintermagnet, verfahren zum produzieren eines seltenerd-sintermagneten, rotor und rotationsmaschine
JP7254912B2 (ja) * 2020-10-29 2023-04-10 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
WO2022107221A1 (ja) * 2020-11-17 2022-05-27 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
CN117751414A (zh) * 2021-08-04 2024-03-22 三菱电机株式会社 稀土烧结磁铁及稀土烧结磁铁的制造方法、转子以及旋转机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002520843A (ja) * 1998-07-13 2002-07-09 サントク アメリカ,インコーポレイティド 高性能の、鉄−希土類−ホウ素−耐熱物−コバルトのナノ複合材料
JP2015213146A (ja) * 2014-04-15 2015-11-26 Tdk株式会社 永久磁石および可変磁束モータ

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0125347B1 (en) * 1983-05-06 1990-04-18 Sumitomo Special Metals Co., Ltd. Isotropic magnets and process for producing same
JPH068488B2 (ja) * 1985-06-21 1994-02-02 住友特殊金属株式会社 永久磁石合金
JPH0633444B2 (ja) * 1986-01-23 1994-05-02 住友特殊金属株式会社 永久磁石合金
JPH023207A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 永久磁石
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
US7175718B2 (en) * 2001-06-19 2007-02-13 Mitsubishi Denki Kabushiki Kaisha Rare earth element permanent magnet material
JP2010045068A (ja) * 2008-08-08 2010-02-25 Toshiba Corp 永久磁石およびその製造方法
WO2013114892A1 (ja) * 2012-02-02 2013-08-08 中電レアアース株式会社 R-T-B-Ga系磁石用原料合金およびその製造方法
CN105185501B (zh) * 2015-08-28 2017-08-11 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
CN105489332B (zh) * 2016-01-05 2018-01-12 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002520843A (ja) * 1998-07-13 2002-07-09 サントク アメリカ,インコーポレイティド 高性能の、鉄−希土類−ホウ素−耐熱物−コバルトのナノ複合材料
JP2015213146A (ja) * 2014-04-15 2015-11-26 Tdk株式会社 永久磁石および可変磁束モータ

Also Published As

Publication number Publication date
CN111418034B (zh) 2021-08-13
WO2019111328A1 (ja) 2019-06-13
KR20200079514A (ko) 2020-07-03
CN111418034A (zh) 2020-07-14
JPWO2019111328A1 (ja) 2019-12-12
JP6359232B1 (ja) 2018-07-18

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