CA1236381A - Iron-rare earth-boron permanent magnets by hot working - Google Patents

Iron-rare earth-boron permanent magnets by hot working

Info

Publication number
CA1236381A
CA1236381A CA000451851A CA451851A CA1236381A CA 1236381 A CA1236381 A CA 1236381A CA 000451851 A CA000451851 A CA 000451851A CA 451851 A CA451851 A CA 451851A CA 1236381 A CA1236381 A CA 1236381A
Authority
CA
Canada
Prior art keywords
percent
iron
rare earth
permanent magnet
neodymium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000451851A
Other languages
English (en)
French (fr)
Inventor
Robert W. Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of CA1236381A publication Critical patent/CA1236381A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/0576—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 pressed, e.g. hot working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CA000451851A 1983-08-04 1984-04-12 Iron-rare earth-boron permanent magnets by hot working Expired CA1236381A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52017083A 1983-08-04 1983-08-04
US520,170 1983-08-04

Publications (1)

Publication Number Publication Date
CA1236381A true CA1236381A (en) 1988-05-10

Family

ID=24071457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000451851A Expired CA1236381A (en) 1983-08-04 1984-04-12 Iron-rare earth-boron permanent magnets by hot working

Country Status (8)

Country Link
EP (1) EP0133758B1 (ja)
JP (1) JPS60100402A (ja)
AU (1) AU574697B2 (ja)
BR (1) BR8403875A (ja)
CA (1) CA1236381A (ja)
DE (1) DE3483226D1 (ja)
ES (1) ES534879A0 (ja)
MX (1) MX167658B (ja)

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DE3752160T2 (de) * 1987-04-30 1998-04-16 Seiko Epson Corp Magnetische Legierung und Herstellungsverfahren
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
US4842656A (en) * 1987-06-12 1989-06-27 General Motors Corporation Anisotropic neodymium-iron-boron powder with high coercivity
JPH01257308A (ja) * 1987-09-09 1989-10-13 Hitachi Metals Ltd ボイスコイルモーター用磁石
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JPH01139738A (ja) * 1987-11-27 1989-06-01 Hitachi Metals Ltd 磁気異方性磁石材料の製造方法及びその装置
JP2558760B2 (ja) * 1987-12-08 1996-11-27 松下電器産業株式会社 異方性永久磁石
JPH01208813A (ja) * 1988-02-17 1989-08-22 Matsushita Electric Ind Co Ltd 希土類磁石の製造方法
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US4892596A (en) * 1988-02-23 1990-01-09 Eastman Kodak Company Method of making fully dense anisotropic high energy magnets
US4985085A (en) * 1988-02-23 1991-01-15 Eastman Kodak Company Method of making anisotropic magnets
EP0331286A3 (en) * 1988-03-03 1989-11-02 General Motors Corporation Rapid compaction of rare earth-transition metal alloys in a fluid-filled die
US4859410A (en) * 1988-03-24 1989-08-22 General Motors Corporation Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material
US4867809A (en) * 1988-04-28 1989-09-19 General Motors Corporation Method for making flakes of RE-Fe-B type magnetically aligned material
JPH01297807A (ja) * 1988-05-26 1989-11-30 Daido Steel Co Ltd 永久磁石の製造方法
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
EP0378698B1 (en) * 1988-06-21 1993-12-15 Matsushita Electric Industrial Co., Ltd. Method of producing permanent magnet
JP3061808B2 (ja) * 1988-09-22 2000-07-10 松下電器産業株式会社 Ｆｅ−Ｂ−Ｒ系永久磁石の製造方法
US4919732A (en) * 1988-07-25 1990-04-24 Kubota Ltd. Iron-neodymium-boron permanent magnet alloys which contain dispersed phases and have been prepared using a rapid solidification process
US4895607A (en) * 1988-07-25 1990-01-23 Kubota, Ltd. Iron-neodymium-boron permanent magnet alloys prepared by consolidation of amorphous powders
JP2623731B2 (ja) * 1988-07-29 1997-06-25 三菱マテリアル株式会社 希土類―Ｆｅ―Ｂ系異方性永久磁石の製造法
US4881985A (en) * 1988-08-05 1989-11-21 General Motors Corporation Method for producing anisotropic RE-FE-B type magnetically aligned material
US4920009A (en) * 1988-08-05 1990-04-24 General Motors Corporation Method for producing laminated bodies comprising an RE-FE-B type magnetic layer and a metal backing layer
JPH0257662A (ja) * 1988-08-23 1990-02-27 M G:Kk ボンド磁石用急冷薄帯合金
JP3037699B2 (ja) * 1988-09-30 2000-04-24 日立金属株式会社 耐割れ性及び配向性を改善した温間加工磁石ならびにその製造方法
EP0369097B1 (en) * 1988-11-14 1994-06-15 Asahi Kasei Kogyo Kabushiki Kaisha Magnetic materials containing rare earth element iron nitrogen and hydrogen
JPH02133519A (ja) * 1988-11-15 1990-05-22 Seiko Electronic Components Ltd 希土類，ボロン，鉄系磁石の製造方法
JPH02247304A (ja) * 1989-03-17 1990-10-03 Nippon Steel Corp Ｎｄ合金注湯用ノズル
US5098486A (en) * 1989-05-23 1992-03-24 Hitachi Metals, Ltd. Magnetically anisotropic hotworked magnet and method of producing same
US4952251A (en) * 1989-05-23 1990-08-28 Hitachi Metals, Ltd. Magnetically anisotropic hotworked magnet and method of producing same
US5026419A (en) * 1989-05-23 1991-06-25 Hitachi Metals, Ltd. Magnetically anisotropic hotworked magnet and method of producing same
JPH0344904A (ja) * 1989-07-12 1991-02-26 Matsushita Electric Ind Co Ltd 希土類・鉄系永久磁石の製造方法
JP2596835B2 (ja) * 1989-08-04 1997-04-02 新日本製鐵株式会社 希土類系異方性粉末および希土類系異方性磁石
US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
JPH03241705A (ja) * 1989-11-14 1991-10-28 Hitachi Metals Ltd 磁気異方性磁石及びその製造方法
JP2780429B2 (ja) * 1990-03-30 1998-07-30 松下電器産業株式会社 希土類―鉄系磁石の製造方法
US5178691A (en) * 1990-05-29 1993-01-12 Matsushita Electric Industrial Co., Ltd. Process for producing a rare earth element-iron anisotropic magnet
JP2010222601A (ja) 2009-03-19 2010-10-07 Honda Motor Co Ltd 希土類永久磁石およびその製造方法
JP2012023190A (ja) * 2010-07-14 2012-02-02 Toyota Motor Corp 異方性希土類磁石の製造方法
JP5413383B2 (ja) 2011-02-23 2014-02-12 トヨタ自動車株式会社 希土類磁石の製造方法
JP6221978B2 (ja) * 2014-07-25 2017-11-01 トヨタ自動車株式会社 希土類磁石の製造方法
JP6447395B2 (ja) * 2015-07-09 2019-01-09 トヨタ自動車株式会社 鍛造加工方法
US10460871B2 (en) 2015-10-30 2019-10-29 GM Global Technology Operations LLC Method for fabricating non-planar magnet
CN108242305B (zh) * 2016-12-27 2020-03-27 有研稀土新材料股份有限公司 稀土永磁材料及其制备方法
CN108428541B (zh) * 2017-02-14 2020-05-22 中国科学院宁波材料技术与工程研究所 一种超细晶高性能各向异性钕铁硼永磁体的制备方法
JP7021035B2 (ja) 2018-09-18 2022-02-16 株式会社東芝 永久磁石、回転電機、及び車

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Also Published As

Publication number Publication date
EP0133758A2 (en) 1985-03-06
JPS60100402A (ja) 1985-06-04
AU3096284A (en) 1985-02-07
AU574697B2 (en) 1988-07-14
BR8403875A (pt) 1985-07-09
JPH0420242B2 (ja) 1992-04-02
EP0133758A3 (en) 1987-05-20
EP0133758B1 (en) 1990-09-19
ES8507289A1 (es) 1985-08-16
DE3483226D1 (de) 1990-10-25
MX167658B (es) 1993-04-01
ES534879A0 (es) 1985-08-16

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