CS514190A3 - Sintered permanent magnet or a magnetic material based on rare earths, iron and boron and process for producing thereof - Google Patents

Sintered permanent magnet or a magnetic material based on rare earths, iron and boron and process for producing thereof

Info

Publication number
CS514190A3
CS514190A3 CS905141A CS514190A CS514190A3 CS 514190 A3 CS514190 A3 CS 514190A3 CS 905141 A CS905141 A CS 905141A CS 514190 A CS514190 A CS 514190A CS 514190 A3 CS514190 A3 CS 514190A3
Authority
CS
Czechoslovakia
Prior art keywords
boron
iron
producing
permanent magnet
magnetic material
Prior art date
Application number
CS905141A
Other languages
Czech (cs)
Inventor
Oskar Dr Pacher
Siegfried Dr Heiss
Original Assignee
Boehler Gmbh
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 Boehler Gmbh filed Critical Boehler Gmbh
Publication of CS514190A3 publication Critical patent/CS514190A3/en
Publication of CZ284167B6 publication Critical patent/CZ284167B6/en

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)
CS905141A 1989-10-25 1990-10-22 Sintered permanent magnet and process for producing thereof CZ284167B6 (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 (2)

Publication Number Publication Date
CS514190A3 true CS514190A3 (en) 1992-05-13
CZ284167B6 CZ284167B6 (en) 1998-09-16

Family

ID=3534648

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
MY165562A (en) 2011-05-02 2018-04-05 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
DE3883038T2 (en) * 1987-03-23 1994-01-05 Tokin Corp Process for producing an anisotropic rare earth-iron-boron bonded magnet with the help of band-like chips from a rare earth-iron-boron alloy.
US5147447A (en) * 1988-06-03 1992-09-15 Mitsubishi Materials Corporation Sintered rare earth metal-boron-iron alloy magnets and a method for their 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
HU906544D0 (en) 1991-04-29
DD298177A5 (en) 1992-02-06
EP0425469A2 (en) 1991-05-02
DE59010911D1 (en) 2000-09-21
AT393178B (en) 1991-08-26
HU215659B (en) 1999-02-01
CZ284167B6 (en) 1998-09-16
EP0425469A3 (en) 1991-11-06
HUT58948A (en) 1992-03-30
ATA245489A (en) 1991-01-15
EP0425469B1 (en) 2000-04-05

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Legal Events

Date Code Title Description
MM4A Patent lapsed due to non-payment of fee

Effective date: 19991022