EP0066348A3 - Method for producing magnets - Google Patents

Method for producing magnets Download PDF

Info

Publication number
EP0066348A3
EP0066348A3 EP82300510A EP82300510A EP0066348A3 EP 0066348 A3 EP0066348 A3 EP 0066348A3 EP 82300510 A EP82300510 A EP 82300510A EP 82300510 A EP82300510 A EP 82300510A EP 0066348 A3 EP0066348 A3 EP 0066348A3
Authority
EP
European Patent Office
Prior art keywords
producing magnets
magnets
producing
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
EP82300510A
Other versions
EP0066348B1 (en
EP0066348A2 (en
Inventor
Kalatur Sabdam Vangipuram Lakshmi Narasimhan
Charles Daniel Preusch
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.)
Crucible Materials Corp
Original Assignee
Colt Industries Operating 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 Colt Industries Operating Corp filed Critical Colt Industries Operating Corp
Publication of EP0066348A2 publication Critical patent/EP0066348A2/en
Publication of EP0066348A3 publication Critical patent/EP0066348A3/en
Application granted granted Critical
Publication of EP0066348B1 publication Critical patent/EP0066348B1/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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
    • H01F41/02—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
    • H01F41/0273—Imparting anisotropy

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
EP19820300510 1981-05-11 1982-02-01 Method for producing magnets Expired EP0066348B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26227081A 1981-05-11 1981-05-11
US262270 1981-05-11

Publications (3)

Publication Number Publication Date
EP0066348A2 EP0066348A2 (en) 1982-12-08
EP0066348A3 true EP0066348A3 (en) 1983-03-30
EP0066348B1 EP0066348B1 (en) 1985-10-09

Family

ID=22996852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820300510 Expired EP0066348B1 (en) 1981-05-11 1982-02-01 Method for producing magnets

Country Status (4)

Country Link
EP (1) EP0066348B1 (en)
JP (1) JPS57194512A (en)
CA (1) CA1176814A (en)
DE (1) DE3266728D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
US5080731A (en) * 1988-08-19 1992-01-14 Hitachi Metals, Ltd. Highly oriented permanent magnet and process for producing the same
JP3554604B2 (en) * 1995-04-18 2004-08-18 インターメタリックス株式会社 Compact molding method and rubber mold used in the method
WO2015150315A1 (en) * 2014-03-31 2015-10-08 Asml Netherlands B.V. An undulator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919003A (en) * 1971-12-17 1975-11-11 Gen Electric Sintered cobalt-rare earth intermetallic product
US4284440A (en) * 1976-06-18 1981-08-18 Hitachi Metals, Ltd. Rare earth metal-cobalt permanent magnet alloy
US4322257A (en) * 1975-12-02 1982-03-30 Bbc, Brown, Boveri & Company, Limited Permanent-magnet alloy

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646245B2 (en) * 1973-06-23 1981-10-31
JPS5941840B2 (en) * 1978-12-28 1984-10-09 株式会社井上ジャパックス研究所 Magnetic field press device
JPS5923446B2 (en) * 1979-03-22 1984-06-02 ティーディーケイ株式会社 Plastic magnets and their manufacturing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919003A (en) * 1971-12-17 1975-11-11 Gen Electric Sintered cobalt-rare earth intermetallic product
US4322257A (en) * 1975-12-02 1982-03-30 Bbc, Brown, Boveri & Company, Limited Permanent-magnet alloy
US4284440A (en) * 1976-06-18 1981-08-18 Hitachi Metals, Ltd. Rare earth metal-cobalt permanent magnet alloy

Also Published As

Publication number Publication date
EP0066348B1 (en) 1985-10-09
EP0066348A2 (en) 1982-12-08
JPH0318329B2 (en) 1991-03-12
DE3266728D1 (en) 1985-11-14
CA1176814A (en) 1984-10-30
JPS57194512A (en) 1982-11-30

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