CA1273231A - Alliage d'aimant permanent - Google Patents

Alliage d'aimant permanent

Info

Publication number
CA1273231A
CA1273231A CA000488736A CA488736A CA1273231A CA 1273231 A CA1273231 A CA 1273231A CA 000488736 A CA000488736 A CA 000488736A CA 488736 A CA488736 A CA 488736A CA 1273231 A CA1273231 A CA 1273231A
Authority
CA
Canada
Prior art keywords
dysprosium
alloy
coercive force
neodymium
permanent magnet
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 - Fee Related
Application number
CA000488736A
Other languages
English (en)
Inventor
Kalathur S.V.L. Narasimhan
Bao-Min Ma
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24728160&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1273231(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Crucible Materials Corp filed Critical Crucible Materials Corp
Application granted granted Critical
Publication of CA1273231A publication Critical patent/CA1273231A/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01F1/047—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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
CA000488736A 1984-12-10 1985-08-14 Alliage d'aimant permanent Expired - Fee Related CA1273231A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67973984A 1984-12-10 1984-12-10
US679,739 1984-12-10

Publications (1)

Publication Number Publication Date
CA1273231A true CA1273231A (fr) 1990-08-28

Family

ID=24728160

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000488736A Expired - Fee Related CA1273231A (fr) 1984-12-10 1985-08-14 Alliage d'aimant permanent

Country Status (5)

Country Link
EP (1) EP0185439B1 (fr)
JP (1) JPS61139641A (fr)
AT (1) ATE43932T1 (fr)
CA (1) CA1273231A (fr)
DE (1) DE3570942D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837109A (en) * 1986-07-21 1989-06-06 Hitachi Metals, Ltd. Method of producing neodymium-iron-boron permanent magnet
EP0277416A3 (fr) * 1987-02-04 1990-05-16 Crucible Materials Corporation Alliage pour aimant permanent pour applications à haute température
JP2001332410A (ja) * 2000-05-22 2001-11-30 Seiko Epson Corp 磁石粉末、磁石粉末の製造方法およびボンド磁石

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8504404A3 (es) * 1981-06-16 1985-04-16 Proyectos Magneticos S A Proma Procedimiento para la fabricacion de una aleacion que tiene propiedades magneticas permanentes a temperatura ambiente
JPS59163802A (ja) * 1983-03-08 1984-09-14 Sumitomo Special Metals Co Ltd 永久磁石材料
EP0108474B2 (fr) * 1982-09-03 1995-06-21 General Motors Corporation Alliages de RE-TM-B, procédé de production et aimants permanents contenant tels alliages
JPS59204209A (ja) * 1983-05-06 1984-11-19 Sumitomo Special Metals Co Ltd 等方性永久磁石材料
JPS59215460A (ja) * 1983-05-21 1984-12-05 Sumitomo Special Metals Co Ltd 永久磁石材料の製造方法

Also Published As

Publication number Publication date
EP0185439A1 (fr) 1986-06-25
ATE43932T1 (de) 1989-06-15
EP0185439B1 (fr) 1989-06-07
JPS61139641A (ja) 1986-06-26
DE3570942D1 (en) 1989-07-13

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Legal Events

Date Code Title Description
MKLA Lapsed