DE3682048D1 - Permanentmagnetische legierung. - Google Patents

Permanentmagnetische legierung.

Info

Publication number
DE3682048D1
DE3682048D1 DE8686116698T DE3682048T DE3682048D1 DE 3682048 D1 DE3682048 D1 DE 3682048D1 DE 8686116698 T DE8686116698 T DE 8686116698T DE 3682048 T DE3682048 T DE 3682048T DE 3682048 D1 DE3682048 D1 DE 3682048D1
Authority
DE
Germany
Prior art keywords
crystallites
permanent magnetic
magnetic alloy
crystallite
grain boundaries
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 - Lifetime
Application number
DE8686116698T
Other languages
English (en)
Inventor
Richard Bergeron
William R Mccallum
Karen Canavan
John Keem
Alan M Kadin
Gregory B Clemente
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.)
Osmic Inc
Original Assignee
Ovonic Synthetic Materials Co 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
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=DE3682048(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ovonic Synthetic Materials Co Inc filed Critical Ovonic Synthetic Materials Co Inc
Application granted granted Critical
Publication of DE3682048D1 publication Critical patent/DE3682048D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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)
DE8686116698T 1986-01-10 1986-12-02 Permanentmagnetische legierung. Expired - Lifetime DE3682048D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81677886A 1986-01-10 1986-01-10
US89351686A 1986-08-05 1986-08-05

Publications (1)

Publication Number Publication Date
DE3682048D1 true DE3682048D1 (de) 1991-11-21

Family

ID=27124112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686116698T Expired - Lifetime DE3682048D1 (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
DE3379131D1 (en) * 1982-09-03 1989-03-09 Gen Motors Corp Re-tm-b alloys, method for their production and permanent magnets containing such alloys
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
DE3479940D1 (en) * 1983-10-26 1989-11-02 Gen Motors Corp High energy product rare earth-transition metal magnet alloys containing boron
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
IN167939B (de) 1991-01-12
KR960014518B1 (ko) 1996-10-16
EP0229946A1 (de) 1987-07-29
AU582934B2 (en) 1989-04-13
EP0229946B1 (de) 1991-10-16
KR870007535A (ko) 1987-08-20
ATE68626T1 (de) 1991-11-15
CA1284612C (en) 1991-06-04
AU6685486A (en) 1987-07-16
IL81196A0 (en) 1987-08-31

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: OSMIC, INC. (N.D.GES.D. STAATES DELAWARE), TROY, M