CA1176814A - Method of improving magnets - Google Patents

Method of improving magnets

Info

Publication number
CA1176814A
CA1176814A CA000394598A CA394598A CA1176814A CA 1176814 A CA1176814 A CA 1176814A CA 000394598 A CA000394598 A CA 000394598A CA 394598 A CA394598 A CA 394598A CA 1176814 A CA1176814 A CA 1176814A
Authority
CA
Canada
Prior art keywords
particles
container
particle charge
alloy
magnetic field
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
CA000394598A
Other languages
English (en)
French (fr)
Inventor
Kalatur S. V. L. Narasimhan
Charles D. 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
Crucible Materials 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 Crucible Materials Corp filed Critical Crucible Materials Corp
Priority to CA000446774A priority Critical patent/CA1195814A/en
Application granted granted Critical
Publication of CA1176814A publication Critical patent/CA1176814A/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)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
CA000394598A 1981-05-11 1982-01-21 Method of improving magnets Expired CA1176814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000446774A CA1195814A (en) 1981-05-11 1984-02-03 Method of improving magnets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26227081A 1981-05-11 1981-05-11
US262,270 1981-05-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000446774A Division CA1195814A (en) 1981-05-11 1984-02-03 Method of improving magnets

Publications (1)

Publication Number Publication Date
CA1176814A true CA1176814A (en) 1984-10-30

Family

ID=22996852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000394598A Expired CA1176814A (en) 1981-05-11 1982-01-21 Method of improving magnets

Country Status (4)

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

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 (ja) * 1995-04-18 2004-08-18 インターメタリックス株式会社 圧粉体成形方法及び該方法に使用するゴムモールド
NL2014545A (en) 2014-03-31 2015-10-13 Asml Netherlands Bv An undulator.

Family Cites Families (6)

* 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
JPS5646245B2 (de) * 1973-06-23 1981-10-31
CH603802A5 (de) * 1975-12-02 1978-08-31 Bbc Brown Boveri & Cie
JPS52155124A (en) * 1976-06-18 1977-12-23 Hitachi Metals Ltd Permanent magnetic alloy
JPS5941840B2 (ja) * 1978-12-28 1984-10-09 株式会社井上ジャパックス研究所 磁場プレス装置
JPS5923446B2 (ja) * 1979-03-22 1984-06-02 ティーディーケイ株式会社 プラスチック磁石とその製造法

Also Published As

Publication number Publication date
EP0066348A2 (de) 1982-12-08
EP0066348A3 (en) 1983-03-30
EP0066348B1 (de) 1985-10-09
DE3266728D1 (en) 1985-11-14
JPS57194512A (en) 1982-11-30
JPH0318329B2 (de) 1991-03-12

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry