CA942539A - Permanent magnetic materials - Google Patents

Permanent magnetic materials

Info

Publication number
CA942539A
CA942539A CA039,995A CA39995A CA942539A CA 942539 A CA942539 A CA 942539A CA 39995 A CA39995 A CA 39995A CA 942539 A CA942539 A CA 942539A
Authority
CA
Canada
Prior art keywords
permanent magnetic
magnetic materials
permanent
materials
magnetic
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
CA039,995A
Other versions
CA39995S (en
Inventor
Jack H. Wernick
Ethan A. Nesbitt
Ronald H. Willens
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.)
AT&T Corp
Original Assignee
Western Electric 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
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA942539A publication Critical patent/CA942539A/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
    • H01F1/06—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 in the form of particles, e.g. powder
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
    • 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
    • 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
CA039,995A 1968-04-01 1969-01-13 Permanent magnetic materials Expired CA942539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71767168A 1968-04-01 1968-04-01

Publications (1)

Publication Number Publication Date
CA942539A true CA942539A (en) 1974-02-26

Family

ID=24882999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA039,995A Expired CA942539A (en) 1968-04-01 1969-01-13 Permanent magnetic materials

Country Status (2)

Country Link
US (1) US3560200A (en)
CA (1) CA942539A (en)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849213A (en) * 1966-09-01 1974-11-19 M Baermann Method of producing a molded anisotropic permanent magnet
US3839102A (en) * 1967-11-15 1974-10-01 Matsushita Electric Ind Co Ltd Permanent magnet
US3790414A (en) * 1967-11-15 1974-02-05 Matsushita Electric Ind Co Ltd As-CAST, RARE-EARTH-Co-Cu PERMANENT MAGNET MATERIAL
US3639181A (en) * 1970-05-27 1972-02-01 Gen Electric Sintered cobalt-rare earth bodies and method of production
FR2116861A5 (en) * 1970-12-10 1972-07-21 Rech Magnetiques D Et METHOD AND DEVICE FOR MANUFACTURING ALLOYS OF TRANSITION ELEMENTS AND METALS OF THE RARE EARTH GROUP INTENDED FOR THE PRODUCTION OF MATERIALS FOR PERMANENT MAGNETS
US3755007A (en) * 1971-04-01 1973-08-28 Gen Electric Stabilized permanent magnet comprising a sintered and quenched body of compacted cobalt-rare earth particles
US3902888A (en) * 1971-08-19 1975-09-02 Fuji Photo Film Co Ltd Process for preparing ferromagnetic alloy powder
JPS4944296A (en) * 1972-09-04 1974-04-25
IT1004320B (en) * 1973-02-09 1976-07-10 Matsushita Electric Ind Co Ltd HARD MAGNETIC MATERIAL
JPS532127B2 (en) * 1973-07-20 1978-01-25
DE2435077C3 (en) * 1973-07-20 1982-11-25 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Alloy for making a permanent magnet
JPS5061699A (en) * 1973-10-03 1975-05-27
US4099995A (en) * 1974-07-31 1978-07-11 Bbc Brown, Boveri & Company, Ltd. Copper-hardened permanent-magnet alloy
US4116726A (en) * 1974-12-18 1978-09-26 Bbc Brown, Boveri & Company Limited As-cast permanent magnet Sm-Co-Cu material with iron, produced by annealing and rapid quenching
CH601484A5 (en) * 1974-12-18 1978-07-14 Bbc Brown Boveri & Cie
US4208225A (en) * 1975-05-05 1980-06-17 Les Fabriques D'assortiments Reunies Directionally solidified ductile magnetic alloys magnetically hardened by precipitation hardening
CH603802A5 (en) * 1975-12-02 1978-08-31 Bbc Brown Boveri & Cie
US4210471A (en) * 1976-02-10 1980-07-01 Tdk Electronics, Co., Ltd. Permanent magnet material and process for producing the same
JPS54104408A (en) * 1978-02-03 1979-08-16 Namiki Precision Jewel Co Ltd Rare earthhcobalt base permanent magnet alloy
US4174966A (en) * 1978-12-15 1979-11-20 The United States Of America As Represented By The Secretary Of The Interior High coercive force rare earth metal-cobalt magnets containing copper and magnesium
WO1980002297A1 (en) * 1979-04-18 1980-10-30 Namiki Precision Jewel Co Ltd Process for producing permanent magnet alloy
JPS556496A (en) * 1979-06-25 1980-01-17 Seiko Epson Corp Intermetallic compound permanent magnet
JPS5810454B2 (en) * 1980-02-07 1983-02-25 住友特殊金属株式会社 permanent magnet alloy
JPS601940B2 (en) * 1980-08-11 1985-01-18 富士通株式会社 Temperature sensing element material
JPS57100705A (en) * 1980-12-16 1982-06-23 Seiko Epson Corp Permanent magnet
JPS5857706A (en) * 1981-10-02 1983-04-06 Shin Etsu Chem Co Ltd Permanent magnet for biased field of magnetic bubble memory
US4792368A (en) * 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4840684A (en) * 1983-05-06 1989-06-20 Sumitomo Special Metals Co, Ltd. Isotropic permanent magnets and process for producing same
EP0125347B1 (en) * 1983-05-06 1990-04-18 Sumitomo Special Metals Co., Ltd. Isotropic magnets and process for producing same
US4902361A (en) * 1983-05-09 1990-02-20 General Motors Corporation Bonded rare earth-iron magnets
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS6032306A (en) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd Permanent magnet
JPS6034005A (en) * 1983-08-04 1985-02-21 Sumitomo Special Metals Co Ltd Permanent magnet
DE3575231D1 (en) * 1984-02-28 1990-02-08 Sumitomo Spec Metals METHOD FOR PRODUCING PERMANENT MAGNETS.
US4585473A (en) * 1984-04-09 1986-04-29 Crucible Materials Corporation Method for making rare-earth element containing permanent magnets
US4849017A (en) * 1985-02-06 1989-07-18 Kabushiki Kaisha Toshiba Magnetic refrigerant for magnetic refrigeration
EP0217347B1 (en) * 1985-09-30 1993-02-03 Kabushiki Kaisha Toshiba Use of polycrystalline magnetic substances for magnetic refrigeration
JPH07101134B2 (en) * 1988-02-02 1995-11-01 株式会社東芝 Heat storage material and low temperature heat storage
US5382303A (en) * 1992-04-13 1995-01-17 Sps Technologies, Inc. Permanent magnets and methods for their fabrication
WO2002038500A2 (en) * 2000-11-08 2002-05-16 Altana Pharma Ag Process for the rehydration of magaldrate powder
JP4134616B2 (en) * 2001-10-02 2008-08-20 日立金属株式会社 Press apparatus and magnet manufacturing method
US6994755B2 (en) * 2002-04-29 2006-02-07 University Of Dayton Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets
JP4422953B2 (en) * 2002-08-22 2010-03-03 株式会社日立製作所 Method for manufacturing permanent magnet
US20060054245A1 (en) * 2003-12-31 2006-03-16 Shiqiang Liu Nanocomposite permanent magnets
CA2571401A1 (en) * 2004-06-30 2006-01-12 University Of Dayton Anisotropic nanocomposite rare earth permanent magnets and method of making

Also Published As

Publication number Publication date
US3560200A (en) 1971-02-02

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