MX167657B - RARE-IRON EARTH LINK PERMANENT MAGNETS - Google Patents

RARE-IRON EARTH LINK PERMANENT MAGNETS

Info

Publication number
MX167657B
MX167657B MX2660584A MX2660584A MX167657B MX 167657 B MX167657 B MX 167657B MX 2660584 A MX2660584 A MX 2660584A MX 2660584 A MX2660584 A MX 2660584A MX 167657 B MX167657 B MX 167657B
Authority
MX
Mexico
Prior art keywords
rare
percent
permanent magnets
earth link
iron
Prior art date
Application number
MX2660584A
Other languages
Spanish (es)
Inventor
Robert Weir Lee
John Joseph Croat
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23956982&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX167657(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gen Motors Corp filed Critical Gen Motors Corp
Publication of MX167657B publication Critical patent/MX167657B/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
    • H01F1/0578—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 bonded together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

La presente invención se refiere a un imán permanente ligado, magnéticamente isotrópico, que comprende un agente ligante interdisperso con partículas finamente cristalinas de fusión centrifugación, que comprende, sobre una base por ciento atómica, por lo menos de aproximadamente 10 a aproximadamente 40 por ciento de uno ó mas elementos de tierra rara, tomados del grupo que consiste de neodimio y praseodimio, por lo menos de aproximadamente 0.5 a aproximadamente 40 por ciento de boro, y cuando menos de aproximadamente 50 a aproximadamente 90 por ciento de hierro.The present invention relates to a magnetically isotropic bonded permanent magnet, comprising an interdisperse bonding agent with finely crystalline particles of centrifugal fusion, comprising, on an atomic percent basis, at least about 10 to about 40 percent of one or more rare earth elements, taken from the group consisting of neodymium and praseodymium, at least about 0.5 to about 40 percent boron, and at least about 50 to about 90 percent iron.

MX2660584A 1983-05-09 1984-04-02 RARE-IRON EARTH LINK PERMANENT MAGNETS MX167657B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49262983A 1983-05-09 1983-05-09

Publications (1)

Publication Number Publication Date
MX167657B true MX167657B (en) 1993-04-01

Family

ID=23956982

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2660584A MX167657B (en) 1983-05-09 1984-04-02 RARE-IRON EARTH LINK PERMANENT MAGNETS

Country Status (8)

Country Link
EP (1) EP0125752B1 (en)
JP (1) JPS59211549A (en)
AU (1) AU571497B2 (en)
BR (1) BR8402029A (en)
CA (1) CA1216623A (en)
DE (1) DE3480673D1 (en)
ES (1) ES532283A0 (en)
MX (1) MX167657B (en)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219904A (en) * 1983-05-30 1984-12-11 Sumitomo Special Metals Co Ltd Permanent magnet material
JPS6017905A (en) * 1983-07-08 1985-01-29 Sumitomo Special Metals Co Ltd Permanent magnet alloy powder
JPS6032306A (en) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd Permanent magnet
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
JPS60153109A (en) * 1984-01-21 1985-08-12 Sumitomo Special Metals Co Ltd Permanent magnet
US4558077A (en) * 1984-03-08 1985-12-10 General Motors Corporation Epoxy 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
USRE34838E (en) * 1984-12-31 1995-01-31 Tdk Corporation Permanent magnet and method for producing same
JPH0630295B2 (en) * 1984-12-31 1994-04-20 ティーディーケイ株式会社 permanent magnet
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
US4689163A (en) * 1986-02-24 1987-08-25 Matsushita Electric Industrial Co., Ltd. Resin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binder
JPH0687634B2 (en) * 1986-02-24 1994-11-02 松下電器産業株式会社 Permanent magnet type motor
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
DE3779481T2 (en) * 1986-04-15 1992-12-24 Tdk Corp PERMANENT MAGNET AND METHOD FOR THE PRODUCTION THEREOF.
DE3789829T2 (en) * 1986-06-06 1994-09-01 Seiko Instr Inc Rare earth iron magnet and manufacturing process.
DE3786426T2 (en) * 1986-06-12 1993-12-09 Toshiba Kawasaki Kk Permanent magnet and permanent magnet alloy.
AT386554B (en) * 1986-08-04 1988-09-12 Treibacher Chemische Werke Ag METHOD FOR PRODUCING CORROSION-RESISTANT, HARD MAGNETIC POWDER FOR MAGNETIC PRODUCTION, MAGNETS FROM HARD MAGNETIC POWDER AND METHOD FOR PRODUCING THE SAME
US4857118A (en) * 1986-10-13 1989-08-15 U.S. Philips Corporation Method of manufacturing a permanent magnet
US4829277A (en) * 1986-11-20 1989-05-09 General Motors Corporation Isotropic rare earth-iron field magnets for magnetic resonance imaging
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
JP2599378B2 (en) * 1987-02-06 1997-04-09 松下電器産業株式会社 Manufacturing method of resin magnet
US4913745A (en) * 1987-03-23 1990-04-03 Tokin Corporation Method for producing a rare earth metal-iron-boron anisotropic bonded magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes
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
DE3752160T2 (en) * 1987-04-30 1998-04-16 Seiko Epson Corp Magnetic alloy and manufacturing process
CN1012477B (en) * 1987-08-19 1991-05-01 三菱金属株式会社 Rare earth-iron-boron magnet powder and preparation method thereof
JP2619653B2 (en) * 1987-10-16 1997-06-11 セイコーエプソン株式会社 Rare earth magnet
US4881988A (en) * 1987-11-16 1989-11-21 Rjf International Corporation Novel flexible magnet for use in small dc motors
US4832891A (en) * 1987-11-25 1989-05-23 Eastman Kodak Company Method of making an epoxy bonded rare earth-iron magnet
JPH0614485B2 (en) * 1988-05-25 1994-02-23 大八化学工業株式会社 Surface-modified magnetic powder and bonded magnet composition containing the same
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
EP0362812B1 (en) * 1988-10-04 1996-01-24 Hitachi Metals, Ltd. Bonded isotropic R-Fe-B-magnet and method for making it
DE68916184T2 (en) * 1988-11-14 1994-11-17 Asahi Chemical Ind Magnetic substances containing rare earth elements, iron, nitrogen and hydrogen.
CA2019257A1 (en) * 1989-06-27 1990-12-27 Takuji Nomura Magnet and method for manufacturing the same
US5037492A (en) * 1989-12-19 1991-08-06 General Motors Corporation Alloying low-level additives into hot-worked Nd-Fe-B magnets
JP2780422B2 (en) * 1990-03-07 1998-07-30 松下電器産業株式会社 Method for manufacturing resin magnet structure
AU6733196A (en) * 1995-08-30 1997-03-19 Danfoss A/S Method of producing magnetic poles on a base member, and rotor of an electrical machine
JPH08181011A (en) * 1995-10-02 1996-07-12 Seiko Epson Corp Rare earth magnets
JP5752094B2 (en) * 2012-08-08 2015-07-22 ミネベア株式会社 Method for producing full-dense rare earth-iron bond magnet

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB455806A (en) * 1934-07-11 1936-10-28 Max Baermann Junior Process for making permanent magnets
DE1288317B (en) * 1966-09-01 1969-01-30 Baermann Max Process for the production of anisotropic pressed permanent magnets
US4197146A (en) * 1978-10-24 1980-04-08 General Electric Company Molded amorphous metal electrical magnetic components
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
CA1176814A (en) * 1981-05-11 1984-10-30 Kalatur S. V. L. Narasimhan Method of improving magnets
US4851058A (en) * 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
EP0108474B2 (en) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B alloys, method for their production and permanent magnets containing such alloys
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working

Also Published As

Publication number Publication date
AU2595884A (en) 1984-11-15
DE3480673D1 (en) 1990-01-11
ES8503163A1 (en) 1985-02-01
EP0125752A3 (en) 1987-01-28
CA1216623A (en) 1987-01-13
EP0125752A2 (en) 1984-11-21
BR8402029A (en) 1984-12-18
ES532283A0 (en) 1985-02-01
JPH0420975B2 (en) 1992-04-07
EP0125752B1 (en) 1989-12-06
JPS59211549A (en) 1984-11-30
AU571497B2 (en) 1988-04-21

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