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BR8504369A - PERMANENT IMA BODY AND PROCESS FOR ITS PRODUCTION - Google Patents

PERMANENT IMA BODY AND PROCESS FOR ITS PRODUCTION

Info

Publication number
BR8504369A
BR8504369A BR8504369A BR8504369A BR8504369A BR 8504369 A BR8504369 A BR 8504369A BR 8504369 A BR8504369 A BR 8504369A BR 8504369 A BR8504369 A BR 8504369A BR 8504369 A BR8504369 A BR 8504369A
Authority
BR
Brazil
Prior art keywords
ima
permanent
production
permanent ima
ima body
Prior art date
Application number
BR8504369A
Other languages
Portuguese (pt)
Inventor
Robert Weir Lee
Neal Andrew Schaffel
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of BR8504369A publication Critical patent/BR8504369A/en

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)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
BR8504369A 1984-09-14 1985-09-10 PERMANENT IMA BODY AND PROCESS FOR ITS PRODUCTION BR8504369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65062384A 1984-09-14 1984-09-14

Publications (1)

Publication Number Publication Date
BR8504369A true BR8504369A (en) 1986-07-08

Family

ID=24609632

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8504369A BR8504369A (en) 1984-09-14 1985-09-10 PERMANENT IMA BODY AND PROCESS FOR ITS PRODUCTION

Country Status (7)

Country Link
EP (1) EP0174735B1 (en)
JP (1) JPS6174305A (en)
AU (1) AU580618B2 (en)
BR (1) BR8504369A (en)
CA (1) CA1244322A (en)
DE (1) DE3584061D1 (en)
ES (1) ES8707373A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1244322A (en) * 1984-09-14 1988-11-08 Robert W. Lee Hot pressed permanent magnet having high and low coercivity regions
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
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
IT1206056B (en) * 1986-06-20 1989-04-05 Seiko Epson Corp PROCEDURE FOR THE PREPARATION OF PERMANENT MAGNETS AND PRODUCT OBTAINED
KR900006533B1 (en) * 1987-01-06 1990-09-07 히다찌 긴조꾸 가부시끼가이샤 Anisotropic magnetic powder, its magnet and manufacturing method thereof
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
DE3889996T2 (en) * 1987-03-02 1994-09-15 Seiko Epson Corp RARE EARTH IRON TYPE PERMANENT MAGNET AND ITS PRODUCTION METHOD.
US5213631A (en) * 1987-03-02 1993-05-25 Seiko Epson Corporation Rare earth-iron system permanent magnet and process for producing the same
US4888506A (en) * 1987-07-09 1989-12-19 Hitachi Metals, Ltd. Voice coil-type linear 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
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
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
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
JP5707934B2 (en) * 2010-12-27 2015-04-30 トヨタ自動車株式会社 Method for manufacturing anisotropic permanent magnet
JP6330438B2 (en) * 2014-04-09 2018-05-30 信越化学工業株式会社 Manufacturing method of rare earth sintered magnet

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS213750B1 (en) * 1979-08-03 1982-04-09 Vaclav Landa Method of making the anizotropic permanent magnets
US4687608A (en) * 1981-07-14 1987-08-18 Hitachi Metals, Ltd. Composite permanent magnet for magnetic excitation and method of producing the same
JPS592555A (en) * 1982-06-28 1984-01-09 Hitachi Ltd Permanent magnet field dc machine
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
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
CA1244322A (en) * 1984-09-14 1988-11-08 Robert W. Lee Hot pressed permanent magnet having high and low coercivity regions

Also Published As

Publication number Publication date
JPH0315806B2 (en) 1991-03-04
JPS6174305A (en) 1986-04-16
CA1244322A (en) 1988-11-08
DE3584061D1 (en) 1991-10-17
EP0174735B1 (en) 1991-09-11
ES546960A0 (en) 1987-07-16
AU4648785A (en) 1986-03-20
ES8707373A1 (en) 1987-07-16
EP0174735A2 (en) 1986-03-19
AU580618B2 (en) 1989-01-19
EP0174735A3 (en) 1988-01-20

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)