CA2034632C - Hot worked rare earth-iron-carbon magnets - Google Patents

Hot worked rare earth-iron-carbon magnets

Info

Publication number
CA2034632C
CA2034632C CA002034632A CA2034632A CA2034632C CA 2034632 C CA2034632 C CA 2034632C CA 002034632 A CA002034632 A CA 002034632A CA 2034632 A CA2034632 A CA 2034632A CA 2034632 C CA2034632 C CA 2034632C
Authority
CA
Canada
Prior art keywords
percent
iron
neodymium
rare earth
praseodymium
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 - Fee Related
Application number
CA002034632A
Other languages
English (en)
French (fr)
Other versions
CA2034632A1 (en
Inventor
Carlton Dwight Fuerst
Earl George Brewer
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
Magnequench International LLC
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
Priority claimed from US07/622,690 external-priority patent/US5085716A/en
Application filed by Magnequench International LLC filed Critical Magnequench International LLC
Publication of CA2034632A1 publication Critical patent/CA2034632A1/en
Application granted granted Critical
Publication of CA2034632C publication Critical patent/CA2034632C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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
    • H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C

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)
CA002034632A 1990-02-20 1991-01-21 Hot worked rare earth-iron-carbon magnets Expired - Fee Related CA2034632C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US48212490A 1990-02-20 1990-02-20
USC.I.P.482,124 1990-02-20
US622,690 1990-12-05
US07/622,690 US5085716A (en) 1990-02-20 1990-12-05 Hot worked rare earth-iron-carbon magnets

Publications (2)

Publication Number Publication Date
CA2034632A1 CA2034632A1 (en) 1991-08-21
CA2034632C true CA2034632C (en) 1997-05-13

Family

ID=27047167

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002034632A Expired - Fee Related CA2034632C (en) 1990-02-20 1991-01-21 Hot worked rare earth-iron-carbon magnets

Country Status (3)

Country Link
EP (1) EP0443647A1 (enExample)
JP (1) JPH05152119A (enExample)
CA (1) CA2034632C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5486240A (en) * 1994-04-25 1996-01-23 Iowa State University Research Foundation, Inc. Carbide/nitride grain refined rare earth-iron-boron permanent magnet and method of making
JPH08100201A (ja) * 1994-09-30 1996-04-16 Takeshi Masumoto 複合超微粒子及びその製造方法
CN109695001B (zh) * 2017-10-20 2020-09-29 鞍钢股份有限公司 一种新型稀土热作模具钢及其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8702992A (nl) * 1987-12-11 1989-07-03 Philips Nv Boriumvrij hardmagnetisch materiaal, dat een magnetische tetragonale phase bevat.

Also Published As

Publication number Publication date
JPH05152119A (ja) 1993-06-18
EP0443647A1 (en) 1991-08-28
CA2034632A1 (en) 1991-08-21
JPH0584043B2 (enExample) 1993-11-30

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