DE3479940D1 - High energy product rare earth-transition metal magnet alloys containing boron - Google Patents

High energy product rare earth-transition metal magnet alloys containing boron

Info

Publication number
DE3479940D1
DE3479940D1 DE8484300741T DE3479940T DE3479940D1 DE 3479940 D1 DE3479940 D1 DE 3479940D1 DE 8484300741 T DE8484300741 T DE 8484300741T DE 3479940 T DE3479940 T DE 3479940T DE 3479940 D1 DE3479940 D1 DE 3479940D1
Authority
DE
Germany
Prior art keywords
transition metal
rare earth
high energy
alloys containing
containing boron
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
Application number
DE8484300741T
Other languages
German (de)
English (en)
Inventor
John Joseph Croat
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.)
Magnequench International LLC
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of DE3479940D1 publication Critical patent/DE3479940D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

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)
DE8484300741T 1983-10-26 1984-02-07 High energy product rare earth-transition metal magnet alloys containing boron Expired DE3479940D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54472883A 1983-10-26 1983-10-26

Publications (1)

Publication Number Publication Date
DE3479940D1 true DE3479940D1 (en) 1989-11-02

Family

ID=24173341

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484300741T Expired DE3479940D1 (en) 1983-10-26 1984-02-07 High energy product rare earth-transition metal magnet alloys containing boron

Country Status (5)

Country Link
EP (1) EP0144112B1 (es)
BR (1) BR8400917A (es)
DE (1) DE3479940D1 (es)
MX (1) MX167656B (es)
ZA (1) ZA841312B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
FR2586323B1 (fr) * 1985-08-13 1992-11-13 Seiko Epson Corp Aimant permanent a base de terres rares-fer
ATE68626T1 (de) * 1986-01-10 1991-11-15 Ovonic Synthetic Materials Permanentmagnetische legierung.
CA1269029A (en) * 1986-01-29 1990-05-15 Peter Vernia Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy
DE3763888D1 (de) * 1986-03-27 1990-08-30 Siemens Ag Verfahren zur herstellung eines dauermagnetwerkstoffes aus pulverfoermigen ausgangskomponenten.
DE3685656T2 (de) * 1986-07-28 1993-01-14 Crucible Materials Corp Verfahren zur herstellung eines voellig dichten gegenstandes.
EP0260746A1 (en) * 1986-09-17 1988-03-23 Koninklijke Philips Electronics N.V. Method of manufacturing flakes from a magnetic material having a preferred crystallite orientation, flakes and magnets manufactured therefrom
JPS64704A (en) * 1987-03-02 1989-01-05 Seiko Epson Corp Rare earth-iron system permanent magnet
US5213631A (en) * 1987-03-02 1993-05-25 Seiko Epson Corporation Rare earth-iron system permanent magnet and process for producing the same
DE3709138C2 (de) * 1987-03-20 1996-09-05 Siemens Ag Verfahren zur Herstellung eines magnetischen Werkstoffes aus pulverförmigen Ausgangskomponenten
EP0284832A1 (de) * 1987-03-20 1988-10-05 Siemens Aktiengesellschaft Verfahren zur Herstellung eines anisotropen Magnetwerkstoffes auf Basis von Fe, B und einem Selten-Erd-Metall
DE3832472A1 (de) * 1988-09-23 1990-03-29 Siemens Ag Verfahren zur herstellung eines werkstoffes mit einer hartmagnetischen phase aus pulverfoermigen ausgangskomponenten
GB2308384B (en) * 1995-12-21 1999-09-15 Univ Hull Magnetic materials
CN103668007B (zh) * 2013-12-19 2015-08-19 南京信息工程大学 一种具有高饱和磁感应强度微晶合金薄带及制备方法
US10861629B1 (en) * 2017-03-03 2020-12-08 Apple Inc. Solid state deposition of magnetizable materials

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4496395A (en) * 1981-06-16 1985-01-29 General Motors Corporation High coercivity rare earth-iron magnets
US4374665A (en) * 1981-10-23 1983-02-22 The United States Of America As Represented By The Secretary Of The Navy Magnetostrictive devices
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
EP0106948B1 (en) * 1982-09-27 1989-01-25 Sumitomo Special Metals Co., Ltd. Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)

Also Published As

Publication number Publication date
EP0144112B1 (en) 1989-09-27
ZA841312B (en) 1985-09-25
EP0144112A1 (en) 1985-06-12
MX167656B (es) 1993-04-01
BR8400917A (pt) 1985-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MAGNEQUENCH INTERNATIONAL INC., ANDERSON, IND., US

8328 Change in the person/name/address of the agent

Free format text: ANDRAE FLACH HAUG, 81541 MUENCHEN