CA1027026A - Fabrication of matrix bonded transition metal-rare earth alloy magnets - Google Patents

Fabrication of matrix bonded transition metal-rare earth alloy magnets

Info

Publication number
CA1027026A
CA1027026A CA198,406A CA198406A CA1027026A CA 1027026 A CA1027026 A CA 1027026A CA 198406 A CA198406 A CA 198406A CA 1027026 A CA1027026 A CA 1027026A
Authority
CA
Canada
Prior art keywords
fabrication
transition metal
rare earth
earth alloy
alloy magnets
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
CA198,406A
Other languages
French (fr)
Other versions
CA198406S (en
Inventor
John G. Smeggil
Richard J. Charles
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 CA1027026A publication Critical patent/CA1027026A/en
Expired 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
    • 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
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17—Metallic particles coated with metal
CA198,406A 1973-06-22 1974-04-29 Fabrication of matrix bonded transition metal-rare earth alloy magnets Expired CA1027026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00372690A US3856582A (en) 1973-06-22 1973-06-22 Fabrication of matrix bonded transition metal-rare earth alloy magnets

Publications (1)

Publication Number Publication Date
CA1027026A true CA1027026A (en) 1978-02-28

Family

ID=23469231

Family Applications (1)

Application Number Title Priority Date Filing Date
CA198,406A Expired CA1027026A (en) 1973-06-22 1974-04-29 Fabrication of matrix bonded transition metal-rare earth alloy magnets

Country Status (2)

Country Link
US (1) US3856582A (en)
CA (1) CA1027026A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH603802A5 (en) * 1975-12-02 1978-08-31 Bbc Brown Boveri & Cie
JPS52122213A (en) * 1976-04-05 1977-10-14 Hitachi Ltd Production of ferromagnetic metal powder
US4247359A (en) * 1978-10-30 1981-01-27 Honeywell Inc. Preparation of epitaxial rare earth thin films
US4431708A (en) * 1979-12-19 1984-02-14 The United States Of America As Represented By The United States Department Of Energy Annealed CVD molybdenum thin film surface
US4620725A (en) * 1983-04-04 1986-11-04 Kiyoshi Maehashi Forms such as a notebook and the like
US4882206A (en) * 1988-06-22 1989-11-21 Georgia Tech Research Corporation Chemical vapor deposition of group IIIB metals
DE19735271C2 (en) * 1997-08-14 2000-05-04 Bosch Gmbh Robert Soft magnetic, mouldable composite material and process for its production

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933415A (en) * 1954-12-23 1960-04-19 Ohio Commw Eng Co Nickel coated iron particles
GB1052647A (en) * 1964-03-23
NL130686C (en) * 1964-05-25
US3373018A (en) * 1965-02-17 1968-03-12 Allied Chem Production of rigid shapes of refractory metals by decomposition of the metal hexafluoride in the interstices of a green compact
NL154354B (en) * 1967-12-21 1977-08-15 Philips Nv PREPARATION MATERIAL FOR THE MANUFACTURE OF A PERMANENT MAGNET, PROCEDURE FOR MANUFACTURE OF THIS PREPARATION, AND PERMANENT MAGNET CONSTRUCTED FROM THE PRIMARY MATERIAL.
US3615914A (en) * 1968-06-21 1971-10-26 Gen Electric Method of stabilizing permanent magnetic material powders
US3728110A (en) * 1968-12-10 1973-04-17 Scm Corp Process for forming a sintered briquette
US3684593A (en) * 1970-11-02 1972-08-15 Gen Electric Heat-aged sintered cobalt-rare earth intermetallic product and process

Also Published As

Publication number Publication date
US3856582A (en) 1974-12-24

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