FR2526994B1 - Procede et appareillage pour produire des aimants cobalt-terre rare en anneau a orientation radiale du champ magnetique et aimant permanent ainsi obtenu - Google Patents

Procede et appareillage pour produire des aimants cobalt-terre rare en anneau a orientation radiale du champ magnetique et aimant permanent ainsi obtenu

Info

Publication number
FR2526994B1
FR2526994B1 FR8208167A FR8208167A FR2526994B1 FR 2526994 B1 FR2526994 B1 FR 2526994B1 FR 8208167 A FR8208167 A FR 8208167A FR 8208167 A FR8208167 A FR 8208167A FR 2526994 B1 FR2526994 B1 FR 2526994B1
Authority
FR
France
Prior art keywords
ring
magnetic field
permanent magnet
radial magnetic
earth magnets
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
FR8208167A
Other languages
English (en)
Other versions
FR2526994A1 (fr
Inventor
Dilip K Das
Ernest C Wettstein
Kaplesh Kumar
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.)
Charles Stark Draper Laboratory Inc
Original Assignee
Charles Stark Draper Laboratory Inc
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 Charles Stark Draper Laboratory Inc filed Critical Charles Stark Draper Laboratory Inc
Priority to FR8208167A priority Critical patent/FR2526994B1/fr
Publication of FR2526994A1 publication Critical patent/FR2526994A1/fr
Application granted granted Critical
Publication of FR2526994B1 publication Critical patent/FR2526994B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F41/028—Radial anisotropy

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
FR8208167A 1982-05-11 1982-05-11 Procede et appareillage pour produire des aimants cobalt-terre rare en anneau a orientation radiale du champ magnetique et aimant permanent ainsi obtenu Expired FR2526994B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8208167A FR2526994B1 (fr) 1982-05-11 1982-05-11 Procede et appareillage pour produire des aimants cobalt-terre rare en anneau a orientation radiale du champ magnetique et aimant permanent ainsi obtenu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8208167A FR2526994B1 (fr) 1982-05-11 1982-05-11 Procede et appareillage pour produire des aimants cobalt-terre rare en anneau a orientation radiale du champ magnetique et aimant permanent ainsi obtenu

Publications (2)

Publication Number Publication Date
FR2526994A1 FR2526994A1 (fr) 1983-11-18
FR2526994B1 true FR2526994B1 (fr) 1987-03-06

Family

ID=9273915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8208167A Expired FR2526994B1 (fr) 1982-05-11 1982-05-11 Procede et appareillage pour produire des aimants cobalt-terre rare en anneau a orientation radiale du champ magnetique et aimant permanent ainsi obtenu

Country Status (1)

Country Link
FR (1) FR2526994B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19962232B4 (de) * 1999-12-22 2006-05-04 Vacuumschmelze Gmbh Verfahren zur Herstellung stabförmiger Dauermagnete

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1373019A (en) * 1972-07-28 1974-11-06 Johnson R E Cobalt-based sintered permanent magnets
US3892598A (en) * 1974-01-07 1975-07-01 Gen Electric Cobalt-rare earth magnets comprising sintered products bonded with solid cobalt-rare earth bonding agents
CH603802A5 (fr) * 1975-12-02 1978-08-31 Bbc Brown Boveri & Cie
US4104787A (en) * 1977-03-21 1978-08-08 General Motors Corporation Forming curved wafer thin magnets from rare earth-cobalt alloy powders
JPS60931B2 (ja) * 1979-06-13 1985-01-11 株式会社東芝 異方性磁石の製造方法及び製造装置

Also Published As

Publication number Publication date
FR2526994A1 (fr) 1983-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse