KR101989704B1 - 희토류 자석 및 그 제조 방법 - Google Patents

희토류 자석 및 그 제조 방법 Download PDF

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Publication number
KR101989704B1
KR101989704B1 KR1020170171898A KR20170171898A KR101989704B1 KR 101989704 B1 KR101989704 B1 KR 101989704B1 KR 1020170171898 A KR1020170171898 A KR 1020170171898A KR 20170171898 A KR20170171898 A KR 20170171898A KR 101989704 B1 KR101989704 B1 KR 101989704B1
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KR
South Korea
Prior art keywords
phase
earth magnet
rare earth
rare
magnetic
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KR1020170171898A
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English (en)
Korean (ko)
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KR20180077022A (ko
Inventor
마사아키 이토
노리츠구 사쿠마
데츠야 쇼지
히데후미 기시모토
마사오 야노
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도요타 지도샤（주）
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Publication of KR20180077022A publication Critical patent/KR20180077022A/ko
Application granted granted Critical
Publication of KR101989704B1 publication Critical patent/KR101989704B1/ko

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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
    • 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
    • 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
    • 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
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
    • 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
    • H01F41/005—Impregnating or encapsulating
    • 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
    • H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
KR1020170171898A 2016-12-28 2017-12-14 희토류 자석 및 그 제조 방법 KR101989704B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2016-256776 2016-12-28
JP2016256776 2016-12-28
JPJP-P-2017-121398 2017-06-21
JP2017121398A JP6894305B2 (ja) 2016-12-28 2017-06-21 希土類磁石及びその製造方法

Publications (2)

Publication Number Publication Date
KR20180077022A KR20180077022A (ko) 2018-07-06
KR101989704B1 true KR101989704B1 (ko) 2019-06-14

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KR1020170171898A KR101989704B1 (ko) 2016-12-28 2017-12-14 희토류 자석 및 그 제조 방법

Country Status (4)

Country Link
JP (2) JP6894305B2 (pt)
KR (1) KR101989704B1 (pt)
BR (1) BR102017028168A2 (pt)
RU (1) RU2671006C1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7040335B2 (ja) * 2018-07-24 2022-03-23 トヨタ自動車株式会社 モータの制御方法
JP7167709B2 (ja) * 2018-12-28 2022-11-09 トヨタ自動車株式会社 希土類磁石及びその製造方法
JP7298533B2 (ja) * 2020-04-21 2023-06-27 トヨタ自動車株式会社 希土類磁石及びその製造方法
JP7303157B2 (ja) * 2020-06-01 2023-07-04 トヨタ自動車株式会社 希土類磁石及びその製造方法
CN113674945B (zh) * 2021-06-11 2023-06-27 烟台正海磁性材料股份有限公司 一种低成本高矫顽力富LaCe钕铁硼永磁体及其制备方法和应用
CN115612884B (zh) * 2022-09-07 2023-06-23 广西大学 一种MB2(M=Ti+V)颗粒的制备方法及应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160141083A1 (en) * 2013-06-05 2016-05-19 Toyota Jidosha Kabushiki Kaisha Rare-earth magnet and method for manufacturing same
JP2016111136A (ja) * 2014-12-04 2016-06-20 トヨタ自動車株式会社 希土類磁石

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH066775B2 (ja) * 1984-04-18 1994-01-26 セイコーエプソン株式会社 希土類永久磁石
JP2513994B2 (ja) * 1985-09-17 1996-07-10 ティーディーケイ株式会社 永久磁石
JPH0630295B2 (ja) * 1984-12-31 1994-04-20 ティーディーケイ株式会社 永久磁石
JP5107198B2 (ja) * 2008-09-22 2012-12-26 株式会社東芝 永久磁石および永久磁石の製造方法並びにそれを用いたモータ
JP2011258935A (ja) * 2010-05-14 2011-12-22 Shin Etsu Chem Co Ltd Ｒ−ｔ−ｂ系希土類焼結磁石
GB2506683A (en) * 2012-10-08 2014-04-09 Vacuumschmelze Gmbh & Co Kg Anisotropic soft magnetic article and method for its production
RU2578211C1 (ru) * 2014-10-29 2016-03-27 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") Магнитный материал для постоянных магнитов и изделие, выполненное из него

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160141083A1 (en) * 2013-06-05 2016-05-19 Toyota Jidosha Kabushiki Kaisha Rare-earth magnet and method for manufacturing same
JP2016111136A (ja) * 2014-12-04 2016-06-20 トヨタ自動車株式会社 希土類磁石

Also Published As

Publication number Publication date
JP2020202383A (ja) 2020-12-17
JP2018110208A (ja) 2018-07-12
RU2671006C1 (ru) 2018-10-29
KR20180077022A (ko) 2018-07-06
JP7056696B2 (ja) 2022-04-19
BR102017028168A2 (pt) 2018-11-21
JP6894305B2 (ja) 2021-06-30

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