CH617529A5 - - Google Patents

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Publication number
CH617529A5
CH617529A5 CH1501774A CH1501774A CH617529A5 CH 617529 A5 CH617529 A5 CH 617529A5 CH 1501774 A CH1501774 A CH 1501774A CH 1501774 A CH1501774 A CH 1501774A CH 617529 A5 CH617529 A5 CH 617529A5
Authority
CH
Switzerland
Prior art keywords
rare earth
alloy
permanent magnet
temperature
cobalt
Prior art date
Application number
CH1501774A
Other languages
German (de)
English (en)
Inventor
Masaaki Tokunaga
Kazuo Yamakawa
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of CH617529A5 publication Critical patent/CH617529A5/de

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
    • 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
    • H01F1/0555—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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
CH1501774A 1973-11-12 1974-11-11 CH617529A5 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12625073A JPS5724058B2 (cs) 1973-11-12 1973-11-12

Publications (1)

Publication Number Publication Date
CH617529A5 true CH617529A5 (cs) 1980-05-30

Family

ID=14930509

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1501774A CH617529A5 (cs) 1973-11-12 1974-11-11

Country Status (8)

Country Link
US (1) US3997371A (cs)
JP (1) JPS5724058B2 (cs)
CA (1) CA1011134A (cs)
CH (1) CH617529A5 (cs)
DE (1) DE2452905B2 (cs)
FR (1) FR2251086B1 (cs)
GB (1) GB1457145A (cs)
NL (1) NL7414612A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108474A3 (en) * 1982-09-03 1985-09-25 General Motors Corporation High energy product rare earth-transition metal magnet alloys

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH599661A5 (cs) * 1975-01-14 1978-05-31 Bbc Brown Boveri & Cie
CH603802A5 (cs) * 1975-12-02 1978-08-31 Bbc Brown Boveri & Cie
DE2705384C3 (de) * 1976-02-10 1986-03-27 TDK Corporation, Tokio/Tokyo Dauermagnet-Legierung und Verfahren zur Wärmebehandlung gesinterter Dauermagnete
US4172717A (en) * 1978-04-04 1979-10-30 Hitachi Metals, Ltd. Permanent magnet alloy
US4224067A (en) * 1979-04-27 1980-09-23 The United States Of America As Represented By The Secretary Of The Army Permanent magnet materials
DE3040342C2 (de) * 1980-10-25 1982-08-12 Th. Goldschmidt Ag, 4300 Essen Zur Herstellung eines Dauermagneten geeignete Legierung
JPS5935648A (ja) * 1982-08-24 1984-02-27 Nippon Telegr & Teleph Corp <Ntt> 永久磁石合金
US4851058A (en) * 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
JPS59226135A (ja) * 1983-06-06 1984-12-19 Nippon Telegr & Teleph Corp <Ntt> 永久磁石合金の製造方法
US4620872A (en) * 1984-10-18 1986-11-04 Mitsubishi Kinzoku Kabushiki Kaisha Composite target material and process for producing the same
US5382303A (en) * 1992-04-13 1995-01-17 Sps Technologies, Inc. Permanent magnets and methods for their fabrication
US20090121711A1 (en) * 2007-08-01 2009-05-14 Baker Hughes Incorporated Thermally stabilized magnets for use downhole
CN103310969A (zh) * 2012-03-08 2013-09-18 潘树明 高使用温度永磁体制备工艺
CN103065788B (zh) * 2012-12-26 2015-05-27 宁波韵升股份有限公司 一种制备烧结钐钴磁体的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6608335A (cs) * 1966-06-16 1967-12-18
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
US3655463A (en) * 1970-04-30 1972-04-11 Gen Electric Sintered cobalt-rare earth intermetallic process using solid sintering additive
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
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
CH575646A5 (cs) * 1972-01-20 1976-05-14 Bbc Brown Boveri & Cie
US3901741A (en) * 1973-08-23 1975-08-26 Gen Electric Permanent magnets of cobalt, samarium, gadolinium alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108474A3 (en) * 1982-09-03 1985-09-25 General Motors Corporation High energy product rare earth-transition metal magnet alloys
US4802931A (en) * 1982-09-03 1989-02-07 General Motors Corporation High energy product rare earth-iron magnet alloys

Also Published As

Publication number Publication date
GB1457145A (en) 1976-12-01
JPS5075919A (cs) 1975-06-21
DE2452905B2 (de) 1976-09-30
FR2251086B1 (cs) 1982-01-08
JPS5724058B2 (cs) 1982-05-21
DE2452905A1 (de) 1975-05-15
CA1011134A (en) 1977-05-31
NL7414612A (nl) 1975-05-14
FR2251086A1 (cs) 1975-06-06
US3997371A (en) 1976-12-14

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PL Patent ceased
PL Patent ceased