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DE59010911D1 - Permanent magnet (material) and method for producing the same - Google Patents

Permanent magnet (material) and method for producing the same

Info

Publication number
DE59010911D1
DE59010911D1 DE59010911T DE59010911T DE59010911D1 DE 59010911 D1 DE59010911 D1 DE 59010911D1 DE 59010911 T DE59010911 T DE 59010911T DE 59010911 T DE59010911 T DE 59010911T DE 59010911 D1 DE59010911 D1 DE 59010911D1
Authority
DE
Germany
Prior art keywords
producing
same
permanent magnet
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
DE59010911T
Other languages
German (de)
Inventor
Dr Pacher
Dr Heiss
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.)
Vacuumschmelze GmbH and Co KG
Original Assignee
Vacuumschmelze GmbH and Co KG
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 Vacuumschmelze GmbH and Co KG filed Critical Vacuumschmelze GmbH and Co KG
Application granted granted Critical
Publication of DE59010911D1 publication Critical patent/DE59010911D1/en
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
    • 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
    • H01F1/0577—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 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
    • H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DE59010911T 1989-10-25 1990-10-05 Permanent magnet (material) and method for producing the same Expired - Fee Related DE59010911D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT245489A AT393178B (en) 1989-10-25 1989-10-25 PERMANENT MAGNET (MATERIAL) AND METHOD FOR PRODUCING THE SAME

Publications (1)

Publication Number Publication Date
DE59010911D1 true DE59010911D1 (en) 2000-09-21

Family

ID=3534648

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59010911T Expired - Fee Related DE59010911D1 (en) 1989-10-25 1990-10-05 Permanent magnet (material) and method for producing the same

Country Status (6)

Country Link
EP (1) EP0425469B1 (en)
AT (1) AT393178B (en)
CZ (1) CZ284167B6 (en)
DD (1) DD298177A5 (en)
DE (1) DE59010911D1 (en)
HU (1) HU215659B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399415B (en) * 1991-03-18 1995-05-26 Boehler Ybbstalwerke METHOD FOR PRODUCING RARE EARTH-CONTAINING PERMANENT MAGNET (S) (MATERIALS)
WO2002013209A2 (en) * 2000-08-03 2002-02-14 Sanei Kasei Co., Limited Nanocomposite permanent magnet
JP5057111B2 (en) 2009-07-01 2012-10-24 信越化学工業株式会社 Rare earth magnet manufacturing method
MY174972A (en) 2011-05-02 2020-05-29 Shinetsu Chemical Co Rare earth permanent magnets and their preparation
CN119049872B (en) * 2024-11-04 2025-01-14 包头永真静平磁性材料科技有限公司 A method for preparing a neodymium iron boron magnet

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6187825A (en) * 1984-10-05 1986-05-06 Hitachi Metals Ltd Manufacture of permanent magnet material
US4762574A (en) * 1985-06-14 1988-08-09 Union Oil Company Of California Rare earth-iron-boron premanent magnets
AU609669B2 (en) * 1986-10-13 1991-05-02 N.V. Philips Gloeilampenfabrieken Method of manufacturing a permanent magnet
EP0284033B1 (en) * 1987-03-23 1993-08-11 Tokin Corporation A method for producing a rare earth metal-iron-boron anisotropic bonded magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes
WO1989012113A1 (en) * 1988-06-03 1989-12-14 Mitsubishi Metal Corporation SINTERED RARE EARTH ELEMENT-B-Fe-MAGNET AND PROCESS FOR ITS PRODUCTION
AT393177B (en) * 1989-04-28 1991-08-26 Boehler Gmbh PERMANENT MAGNET (MATERIAL) AND METHOD FOR PRODUCING THE SAME

Also Published As

Publication number Publication date
EP0425469B1 (en) 2000-04-05
EP0425469A2 (en) 1991-05-02
DD298177A5 (en) 1992-02-06
CS514190A3 (en) 1992-05-13
ATA245489A (en) 1991-01-15
HU906544D0 (en) 1991-04-29
AT393178B (en) 1991-08-26
HUT58948A (en) 1992-03-30
CZ284167B6 (en) 1998-09-16
EP0425469A3 (en) 1991-11-06
HU215659B (en) 1999-02-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee