CA1034189A - Permanent magnets of cobalt, samarium, gadolinium alloy - Google Patents

Permanent magnets of cobalt, samarium, gadolinium alloy

Info

Publication number
CA1034189A
CA1034189A CA205,079A CA205079A CA1034189A CA 1034189 A CA1034189 A CA 1034189A CA 205079 A CA205079 A CA 205079A CA 1034189 A CA1034189 A CA 1034189A
Authority
CA
Canada
Prior art keywords
samarium
cobalt
permanent magnets
gadolinium alloy
gadolinium
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
CA205,079A
Other languages
French (fr)
Other versions
CA205079S (en
Inventor
Mark G. Benz
Donald L. Martin
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1034189A publication Critical patent/CA1034189A/en
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
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered

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)
CA205,079A 1973-08-23 1974-07-15 Permanent magnets of cobalt, samarium, gadolinium alloy Expired CA1034189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US390722A US3901741A (en) 1973-08-23 1973-08-23 Permanent magnets of cobalt, samarium, gadolinium alloy

Publications (1)

Publication Number Publication Date
CA1034189A true CA1034189A (en) 1978-07-04

Family

ID=23543654

Family Applications (1)

Application Number Title Priority Date Filing Date
CA205,079A Expired CA1034189A (en) 1973-08-23 1974-07-15 Permanent magnets of cobalt, samarium, gadolinium alloy

Country Status (2)

Country Link
US (1) US3901741A (en)
CA (1) CA1034189A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003767A (en) * 1971-12-27 1977-01-18 Bbc Brown Boveri & Company Limited Procedure for the production of permanent magnetic sinter bodies using a ternary cobalt-lanthanoid compound
JPS5724058B2 (en) * 1973-11-12 1982-05-21
US4224067A (en) * 1979-04-27 1980-09-23 The United States Of America As Represented By The Secretary Of The Army Permanent magnet materials
US4585473A (en) * 1984-04-09 1986-04-29 Crucible Materials Corporation Method for making rare-earth element containing permanent magnets
US5094009A (en) * 1990-10-17 1992-03-10 Defelsko Corporation Gauge for measuring the thickness of a coating on a substrate
US5382303A (en) * 1992-04-13 1995-01-17 Sps Technologies, Inc. Permanent magnets and methods for their fabrication
US6506972B1 (en) * 2002-01-22 2003-01-14 Nanoset, Llc Magnetically shielded conductor
US20040225213A1 (en) * 2002-01-22 2004-11-11 Xingwu Wang Magnetic resonance imaging coated assembly
US7162302B2 (en) 2002-03-04 2007-01-09 Nanoset Llc Magnetically shielded assembly
US7091412B2 (en) 2002-03-04 2006-08-15 Nanoset, Llc Magnetically shielded assembly
US20050178584A1 (en) * 2002-01-22 2005-08-18 Xingwu Wang Coated stent and MR imaging thereof
US20050247472A1 (en) * 2002-01-22 2005-11-10 Helfer Jeffrey L Magnetically shielded conductor
US6846985B2 (en) 2002-01-22 2005-01-25 Nanoset, Llc Magnetically shielded assembly
JP2005128771A (en) * 2003-10-23 2005-05-19 Fujitsu Ltd Data file system, data access server, and data access program
US20090121711A1 (en) * 2007-08-01 2009-05-14 Baker Hughes Incorporated Thermally stabilized magnets for use downhole
CN111462974B (en) * 2020-02-27 2021-08-24 江西理工大学 A kind of high performance dual main phase composite rare earth permanent magnet material and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424578A (en) * 1967-06-05 1969-01-28 Us Air Force Method of producing permanent magnets of rare earth metals containing co,or mixtures of co,fe and mn
US3684591A (en) * 1970-08-24 1972-08-15 Gen Electric Sintered cobalt-rare earth intermetallic product including samarium and cerium and permanent magnets produced therefrom
US3682715A (en) * 1970-08-24 1972-08-08 Gen Electric Sintered cobalt-rare earth intermetallic product including samarium and lanthanum and permanent magnets produced therefrom
US3682716A (en) * 1970-08-24 1972-08-08 Gen Electric Sintered intermetallic product of cobalt,samarium and cerium mischmetal and permanent magnets produced therefrom
US3682714A (en) * 1970-08-24 1972-08-08 Gen Electric Sintered cobalt-rare earth intermetallic product and permanent magnets produced therefrom

Also Published As

Publication number Publication date
US3901741A (en) 1975-08-26

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