ATE68626T1 - Permanentmagnetische legierung. - Google Patents

Permanentmagnetische legierung.

Info

Publication number
ATE68626T1
ATE68626T1 AT86116698T AT86116698T ATE68626T1 AT E68626 T1 ATE68626 T1 AT E68626T1 AT 86116698 T AT86116698 T AT 86116698T AT 86116698 T AT86116698 T AT 86116698T AT E68626 T1 ATE68626 T1 AT E68626T1
Authority
AT
Austria
Prior art keywords
crystallites
permanent magnetic
magnetic alloy
crystallite
grain boundaries
Prior art date
Application number
AT86116698T
Other languages
English (en)
Inventor
Richard Bergeron
William R Mccallum
Karen Canavan
John Keem
Alan M Kadin
Gregory B Clemente
Original Assignee
Ovonic Synthetic Materials
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=27124112&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE68626(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ovonic Synthetic Materials filed Critical Ovonic Synthetic Materials
Application granted granted Critical
Publication of ATE68626T1 publication Critical patent/ATE68626T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • 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
    • 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
    • H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Composite Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Materials For Medical Uses (AREA)
  • Dental Preparations (AREA)
AT86116698T 1986-01-10 1986-12-02 Permanentmagnetische legierung. ATE68626T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US81677886A 1986-01-10 1986-01-10
US89351686A 1986-08-05 1986-08-05
EP86116698A EP0229946B1 (de) 1986-01-10 1986-12-02 Permanentmagnetische Legierung

Publications (1)

Publication Number Publication Date
ATE68626T1 true ATE68626T1 (de) 1991-11-15

Family

ID=27124112

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86116698T ATE68626T1 (de) 1986-01-10 1986-12-02 Permanentmagnetische legierung.

Country Status (8)

Country Link
EP (1) EP0229946B1 (de)
KR (1) KR960014518B1 (de)
AT (1) ATE68626T1 (de)
AU (1) AU582934B2 (de)
CA (1) CA1284612C (de)
DE (1) DE3682048D1 (de)
IL (1) IL81196A0 (de)
IN (1) IN167939B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260746A1 (de) * 1986-09-17 1988-03-23 Koninklijke Philips Electronics N.V. Verfahren zur Herstellung von Spänen aus magnetischem Material mit Vorzugsrichtung der Kristallite, Späne und Magnete, die daraus hergestellt sind
DE68925506T2 (de) * 1988-10-04 1996-09-19 Hitachi Metals Ltd Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung
GB9215109D0 (en) * 1992-07-16 1992-08-26 Univ Sheffield Magnetic materials and method of making them
US6494968B1 (en) 1998-02-06 2002-12-17 Toda Kogyo Corporation Lamellar rare earth-iron-boron-based magnet alloy particles, process for producing the same and bonded magnet produced therefrom
US6979409B2 (en) 2003-02-06 2005-12-27 Magnequench, Inc. Highly quenchable Fe-based rare earth materials for ferrite replacement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402770A (en) * 1981-10-23 1983-09-06 The United States Of America As Represented By The Secretary Of The Navy Hard magnetic alloys of a transition metal and lanthanide
EP0108474B2 (de) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B Legierungen, deren Herstellung und permanent Magnete die solche Legierungen enthalten
AU572120B2 (en) * 1983-06-24 1988-05-05 General Motors Corporation High energy product rare earth transition metal magnet alloys
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
EP0144112B1 (de) * 1983-10-26 1989-09-27 General Motors Corporation Magnetische Legierungen mit hohem Energieprodukt aus seltenen Erden, Übergangsmetallen und Bor
AU573895B2 (en) * 1984-09-17 1988-06-23 Ovonic Synthetic Materials Company, Inc. Hard magnetic material
CA1271394A (en) * 1985-02-25 1990-07-10 Karen S. Canavan Enhanced remanence permanent magnetic alloy and bodies thereof and method of preparing same

Also Published As

Publication number Publication date
DE3682048D1 (de) 1991-11-21
EP0229946A1 (de) 1987-07-29
AU6685486A (en) 1987-07-16
IN167939B (de) 1991-01-12
CA1284612C (en) 1991-06-04
KR960014518B1 (ko) 1996-10-16
KR870007535A (ko) 1987-08-20
EP0229946B1 (de) 1991-10-16
AU582934B2 (en) 1989-04-13
IL81196A0 (en) 1987-08-31

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties