GB1438457A - Magnetic materials - Google Patents

Magnetic materials

Info

Publication number
GB1438457A
GB1438457A GB606374A GB606374A GB1438457A GB 1438457 A GB1438457 A GB 1438457A GB 606374 A GB606374 A GB 606374A GB 606374 A GB606374 A GB 606374A GB 1438457 A GB1438457 A GB 1438457A
Authority
GB
United Kingdom
Prior art keywords
feb
sintering
optionally
magnetic materials
mgoe
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
GB606374A
Other languages
English (en)
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP48016949A external-priority patent/JPS49104192A/ja
Priority claimed from JP5240973A external-priority patent/JPS5648961B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1438457A publication Critical patent/GB1438457A/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
    • H01F1/0555—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
GB606374A 1973-02-09 1974-02-11 Magnetic materials Expired GB1438457A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48016949A JPS49104192A (enExample) 1973-02-09 1973-02-09
JP5240973A JPS5648961B2 (enExample) 1973-05-10 1973-05-10

Publications (1)

Publication Number Publication Date
GB1438457A true GB1438457A (en) 1976-06-09

Family

ID=26353397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB606374A Expired GB1438457A (en) 1973-02-09 1974-02-11 Magnetic materials

Country Status (8)

Country Link
US (1) US3947295A (enExample)
CA (1) CA1037293A (enExample)
CH (1) CH594272A5 (enExample)
DE (1) DE2406782C3 (enExample)
FR (1) FR2217430B1 (enExample)
GB (1) GB1438457A (enExample)
IT (1) IT1004320B (enExample)
NL (1) NL182356C (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099995A (en) * 1974-07-31 1978-07-11 Bbc Brown, Boveri & Company, Ltd. Copper-hardened permanent-magnet alloy
US4144105A (en) * 1974-08-13 1979-03-13 Bbc Brown, Boveri & Company, Limited Method of making cerium misch-metal/cobalt magnets
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 (enExample) * 1974-12-18 1978-07-14 Bbc Brown Boveri & Cie
JPS5211121A (en) * 1975-07-18 1977-01-27 Fujitsu Ltd Magnet material
US4121952A (en) * 1975-10-09 1978-10-24 Matsushita Electric Industrial Co., Ltd. Hard magnetic materials
CH603802A5 (enExample) * 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
JPS52109191A (en) * 1976-03-10 1977-09-13 Toshiba Corp Permanent magnet
JPS52155124A (en) * 1976-06-18 1977-12-23 Hitachi Metals Ltd Permanent magnetic alloy
US4213803A (en) * 1976-08-31 1980-07-22 Tdk Electronics Company Limited R2 Co17 Rare type-earth-cobalt, permanent magnet material and process for producing the same
US4172717A (en) * 1978-04-04 1979-10-30 Hitachi Metals, Ltd. Permanent magnet alloy
DE2814570A1 (de) * 1978-04-04 1979-10-18 Hitachi Metals Ltd Dauermagnetlegierung
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
DE3068420D1 (en) * 1979-04-12 1984-08-09 Far Fab Assortiments Reunies Ductile magnetic alloys, method of making same and magnetic body
US4369075A (en) * 1979-04-18 1983-01-18 Namiki Precision Jewel Co., Ltd. Method of manufacturing permanent magnet alloys
JPS5810454B2 (ja) * 1980-02-07 1983-02-25 住友特殊金属株式会社 永久磁石合金
US5382303A (en) * 1992-04-13 1995-01-17 Sps Technologies, Inc. Permanent magnets and methods for their fabrication
US6451132B1 (en) * 1999-01-06 2002-09-17 University Of Dayton High temperature permanent magnets
EP3196895B1 (en) * 2014-09-19 2019-06-26 Kabushiki Kaisha Toshiba Permanent magnet, motor, and generator
KR101882632B1 (ko) * 2014-11-28 2018-07-26 가부시끼가이샤 도시바 영구 자석, 모터 및 발전기

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6608335A (enExample) * 1966-06-16 1967-12-18
US3540945A (en) * 1967-06-05 1970-11-17 Us Air Force Permanent magnets
US3790414A (en) * 1967-11-15 1974-02-05 Matsushita Electric Industrial Co Ltd As-CAST, RARE-EARTH-Co-Cu PERMANENT MAGNET MATERIAL
US3560200A (en) * 1968-04-01 1971-02-02 Bell Telephone Labor Inc Permanent magnetic materials
BE755795A (fr) * 1969-10-21 1971-02-15 Western Electric Co Substances magnetiques contenant une terre rare et procede pourleur preparation

Also Published As

Publication number Publication date
DE2406782A1 (de) 1974-08-15
DE2406782B2 (de) 1978-06-22
CA1037293A (en) 1978-08-29
NL7401798A (enExample) 1974-08-13
FR2217430B1 (enExample) 1976-10-08
US3947295A (en) 1976-03-30
NL182356C (nl) 1988-02-16
IT1004320B (it) 1976-07-10
DE2406782C3 (de) 1983-12-01
CH594272A5 (enExample) 1977-12-30
NL182356B (nl) 1987-09-16
FR2217430A1 (enExample) 1974-09-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19940210