AU3096284A - Iron-rare earth-boron anisotropic permanent magnets - Google Patents

Iron-rare earth-boron anisotropic permanent magnets

Info

Publication number
AU3096284A
AU3096284A AU30962/84A AU3096284A AU3096284A AU 3096284 A AU3096284 A AU 3096284A AU 30962/84 A AU30962/84 A AU 30962/84A AU 3096284 A AU3096284 A AU 3096284A AU 3096284 A AU3096284 A AU 3096284A
Authority
AU
Australia
Prior art keywords
iron
rare earth
permanent magnets
anisotropic permanent
boron anisotropic
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.)
Granted
Application number
AU30962/84A
Other versions
AU574697B2 (en
Inventor
Robert Weir 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
Publication of AU3096284A publication Critical patent/AU3096284A/en
Application granted granted Critical
Publication of AU574697B2 publication Critical patent/AU574697B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU30962/84A 1983-08-04 1984-07-23 Iron-rare earth-boron anisotropic permanent magnets Ceased AU574697B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52017083A 1983-08-04 1983-08-04
US520170 1983-08-04

Publications (2)

Publication Number Publication Date
AU3096284A true AU3096284A (en) 1985-02-07
AU574697B2 AU574697B2 (en) 1988-07-14

Family

ID=24071457

Family Applications (1)

Application Number Title Priority Date Filing Date
AU30962/84A Ceased AU574697B2 (en) 1983-08-04 1984-07-23 Iron-rare earth-boron anisotropic permanent magnets

Country Status (8)

Country Link
EP (1) EP0133758B1 (en)
JP (1) JPS60100402A (en)
AU (1) AU574697B2 (en)
BR (1) BR8403875A (en)
CA (1) CA1236381A (en)
DE (1) DE3483226D1 (en)
ES (1) ES8507289A1 (en)
MX (1) MX167658B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU571497B2 (en) * 1983-05-09 1988-04-21 General Motors Corporation Bonded rare earth-iron magnets
AU582934B2 (en) * 1986-01-10 1989-04-13 Ovonic Synthetic Materials Company, Inc. Enhanced remanence permanent magnetic alloy and bodies thereof

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JPS60228652A (en) * 1984-04-24 1985-11-13 Nippon Gakki Seizo Kk Magnet containing rare earth element and its manufacture
US5529854A (en) * 1984-09-12 1996-06-25 Seiko Epson Corporation Magneto-optic recording systems
US5100741A (en) * 1984-09-12 1992-03-31 Seiko Epson Corporation Magneto-optic recording systems
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
JPS62276803A (en) * 1985-08-13 1987-12-01 Seiko Epson Corp Rare earth-iron permanent magnet
FR2586323B1 (en) * 1985-08-13 1992-11-13 Seiko Epson Corp RARE EARTH-IRON PERMANENT MAGNET
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
CA1269029A (en) * 1986-01-29 1990-05-15 Peter Vernia Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy
JP2530641B2 (en) * 1986-03-20 1996-09-04 日立金属株式会社 Magnetically anisotropic bonded magnet, magnetic powder used therefor, and method for producing the same
JP2546990B2 (en) * 1986-04-30 1996-10-23 株式会社 トーキン Permanent magnet with excellent oxidation resistance
JP2546989B2 (en) * 1986-04-30 1996-10-23 株式会社 トーキン Permanent magnet with excellent oxidation resistance
JP2546988B2 (en) * 1986-04-30 1996-10-23 株式会社 トーキン Permanent magnet with excellent oxidation resistance
JP2611221B2 (en) * 1986-05-01 1997-05-21 セイコーエプソン株式会社 Manufacturing method of permanent magnet
FR2598949B1 (en) * 1986-05-23 1989-08-04 Centre Nat Rech Scient PROCESS FOR THE PREPARATION OF FINELY DIVIDED CRYSTALS FROM A METAL ALLOY, IN PARTICULAR FOR THE PREPARATION OF PERMANENT MAGNETS
IT1206056B (en) * 1986-06-20 1989-04-05 Seiko Epson Corp PROCEDURE FOR THE PREPARATION OF PERMANENT MAGNETS AND PRODUCT OBTAINED
US4778542A (en) * 1986-07-15 1988-10-18 General Motors Corporation High energy ball milling method for making rare earth-transition metal-boron permanent magnets
EP0261292B1 (en) * 1986-07-28 1992-06-10 Crucible Materials Corporation Method of producing fully dense permanent magnet alloy article
JP2731150B2 (en) * 1986-10-14 1998-03-25 日立金属株式会社 Magnetic anisotropic bonded magnet, magnetic anisotropic magnetic powder used therefor, method for producing the same, and magnetic anisotropic powder magnet
JPS63152110A (en) * 1986-12-17 1988-06-24 Daido Steel Co Ltd Manufacture of permanent magnet
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
KR900006533B1 (en) * 1987-01-06 1990-09-07 히다찌 긴조꾸 가부시끼가이샤 Anisotropic magnetic materials and magnets made with it and making method for it
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
ATE109921T1 (en) * 1987-04-30 1994-08-15 Seiko Epson Corp PERMANENT MAGNET AND ITS MANUFACTURING PROCESS.
US4842656A (en) * 1987-06-12 1989-06-27 General Motors Corporation Anisotropic neodymium-iron-boron powder with high coercivity
JPH01257308A (en) * 1987-09-09 1989-10-13 Hitachi Metals Ltd Magnet for voice coil motor
JPH07105301B2 (en) * 1987-09-10 1995-11-13 日立金属株式会社 Manufacturing method of magnetic anisotropy Nd-Fe-B magnet material
JPS6472502A (en) * 1987-09-11 1989-03-17 Hitachi Metals Ltd Permanent magnet for accelerating particle beam
JPH01115104A (en) * 1987-10-28 1989-05-08 Matsushita Electric Ind Co Ltd Manufacture of rare earth magnet
JPH01115105A (en) * 1987-10-28 1989-05-08 Matsushita Electric Ind Co Ltd Manufacture of rare earth magnet
JPH01115106A (en) * 1987-10-28 1989-05-08 Matsushita Electric Ind Co Ltd Manufacture of rare earth magnet
JPH01139738A (en) * 1987-11-27 1989-06-01 Hitachi Metals Ltd Method and apparatus for magnetic material having magnetic anisotropy
JP2558760B2 (en) * 1987-12-08 1996-11-27 松下電器産業株式会社 Anisotropic permanent magnet
JPH01208813A (en) * 1988-02-17 1989-08-22 Matsushita Electric Ind Co Ltd Manufacture of rare earth magnet
US4892596A (en) * 1988-02-23 1990-01-09 Eastman Kodak Company Method of making fully dense anisotropic high energy magnets
US5000796A (en) * 1988-02-23 1991-03-19 Eastman Kodak Company Anisotropic high energy magnets and a process of preparing the same
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 (en) * 1988-05-26 1989-11-30 Daido Steel Co Ltd Manufacture of permanent magnet
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
JP3061808B2 (en) * 1988-09-22 2000-07-10 松下電器産業株式会社 Method for producing Fe-BR-based permanent magnet
WO1989012902A1 (en) * 1988-06-21 1989-12-28 Matsushita Electric Industrial Co., Ltd. Method of producing permanent magnet
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 (en) * 1988-07-29 1997-06-25 三菱マテリアル株式会社 Manufacturing method of rare earth-Fe-B based anisotropic permanent magnet
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 (en) * 1988-08-23 1990-02-27 M G:Kk Rapidly cooled thin strip alloy for bond magnet
JP3037699B2 (en) * 1988-09-30 2000-04-24 日立金属株式会社 Warm-worked magnet with improved crack resistance and orientation, and method of manufacturing the same
DE68916184T2 (en) * 1988-11-14 1994-11-17 Asahi Chemical Ind Magnetic substances containing rare earth elements, iron, nitrogen and hydrogen.
JPH02133519A (en) * 1988-11-15 1990-05-22 Seiko Electronic Components Ltd Production of rare earth-boron-iron magent
JPH02247304A (en) * 1989-03-17 1990-10-03 Nippon Steel Corp Nozzle for pouring molten nd alloy
US5026419A (en) * 1989-05-23 1991-06-25 Hitachi Metals, Ltd. Magnetically anisotropic hotworked magnet and method of producing same
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
JPH0344904A (en) * 1989-07-12 1991-02-26 Matsushita Electric Ind Co Ltd Manufacture of rare earth element-iron permanent magnet
JP2596835B2 (en) * 1989-08-04 1997-04-02 新日本製鐵株式会社 Rare earth anisotropic powder and rare earth anisotropic magnet
US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
JPH03241705A (en) * 1989-11-14 1991-10-28 Hitachi Metals Ltd Magnetically anisotropic magnet and manufacture thereof
JP2780429B2 (en) * 1990-03-30 1998-07-30 松下電器産業株式会社 Rare earth-iron magnet manufacturing method
US5178691A (en) * 1990-05-29 1993-01-12 Matsushita Electric Industrial Co., Ltd. Process for producing a rare earth element-iron anisotropic magnet
JP2010222601A (en) * 2009-03-19 2010-10-07 Honda Motor Co Ltd Rare earth permanent magnet and method for producing the same
JP2012023190A (en) * 2010-07-14 2012-02-02 Toyota Motor Corp Manufacturing method of anisotropic rare earth magnet
JP5413383B2 (en) * 2011-02-23 2014-02-12 トヨタ自動車株式会社 Rare earth magnet manufacturing method
JP6221978B2 (en) * 2014-07-25 2017-11-01 トヨタ自動車株式会社 Rare earth magnet manufacturing method
JP6447395B2 (en) * 2015-07-09 2019-01-09 トヨタ自動車株式会社 Forging method
US10460871B2 (en) 2015-10-30 2019-10-29 GM Global Technology Operations LLC Method for fabricating non-planar magnet
CN108242305B (en) * 2016-12-27 2020-03-27 有研稀土新材料股份有限公司 Rare earth permanent magnetic material and preparation method thereof
CN108428541B (en) * 2017-02-14 2020-05-22 中国科学院宁波材料技术与工程研究所 Preparation method of superfine-crystal high-performance anisotropic neodymium-iron-boron permanent magnet
JP7021035B2 (en) 2018-09-18 2022-02-16 株式会社東芝 Permanent magnets, rotary electric machines, and cars

Family Cites Families (9)

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CH525547A (en) * 1970-12-21 1972-07-15 Bbc Brown Boveri & Cie Process for the production of fine particle permanent magnets
US4358419A (en) * 1980-11-12 1982-11-09 The United States Of America As Represented By The United States Department Of Energy Method of making amorphous metal composites
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
JPS58123853A (en) * 1982-01-18 1983-07-23 Fujitsu Ltd Rare earth metal-iron type permanent magnet and its manufacture
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
DE3379131D1 (en) * 1982-09-03 1989-03-09 Gen Motors Corp Re-tm-b alloys, method for their production and permanent magnets containing such alloys
JPS59177346A (en) * 1983-03-25 1984-10-08 Sumitomo Special Metals Co Ltd Alloy of rare earth metal for magnet material
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
AU572120B2 (en) * 1983-06-24 1988-05-05 General Motors Corporation High energy product rare earth transition metal magnet alloys

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU571497B2 (en) * 1983-05-09 1988-04-21 General Motors Corporation Bonded rare earth-iron magnets
AU582934B2 (en) * 1986-01-10 1989-04-13 Ovonic Synthetic Materials Company, Inc. Enhanced remanence permanent magnetic alloy and bodies thereof

Also Published As

Publication number Publication date
JPH0420242B2 (en) 1992-04-02
ES534879A0 (en) 1985-08-16
MX167658B (en) 1993-04-01
DE3483226D1 (en) 1990-10-25
EP0133758A3 (en) 1987-05-20
EP0133758A2 (en) 1985-03-06
BR8403875A (en) 1985-07-09
JPS60100402A (en) 1985-06-04
EP0133758B1 (en) 1990-09-19
ES8507289A1 (en) 1985-08-16
CA1236381A (en) 1988-05-10
AU574697B2 (en) 1988-07-14

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