GB1398588A - Permanent magnets and the production thereof - Google Patents

Permanent magnets and the production thereof

Info

Publication number
GB1398588A
GB1398588A GB5715672A GB5715672A GB1398588A GB 1398588 A GB1398588 A GB 1398588A GB 5715672 A GB5715672 A GB 5715672A GB 5715672 A GB5715672 A GB 5715672A GB 1398588 A GB1398588 A GB 1398588A
Authority
GB
United Kingdom
Prior art keywords
solder
mixture
cobalt
mmco
dec
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
GB5715672A
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.)
Evonik Operations GmbH
Original Assignee
TH Goldschmidt AG
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 TH Goldschmidt AG filed Critical TH Goldschmidt AG
Publication of GB1398588A publication Critical patent/GB1398588A/en
Expired 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
    • H01F1/0555—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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together

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)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
GB5715672A 1971-12-14 1972-12-11 Permanent magnets and the production thereof Expired GB1398588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20786771A 1971-12-14 1971-12-14

Publications (1)

Publication Number Publication Date
GB1398588A true GB1398588A (en) 1975-06-25

Family

ID=22772304

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5715672A Expired GB1398588A (en) 1971-12-14 1972-12-11 Permanent magnets and the production thereof

Country Status (9)

Country Link
JP (1) JPS5550099B2 (enrdf_load_stackoverflow)
AT (1) AT325866B (enrdf_load_stackoverflow)
CA (1) CA969076A (enrdf_load_stackoverflow)
CH (1) CH582410A5 (enrdf_load_stackoverflow)
DD (1) DD100891A5 (enrdf_load_stackoverflow)
DE (1) DE2258780A1 (enrdf_load_stackoverflow)
FR (1) FR2163611B1 (enrdf_load_stackoverflow)
GB (1) GB1398588A (enrdf_load_stackoverflow)
NL (1) NL161288C (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460774B (en) * 2007-12-27 2012-09-12 Vacuumschmeize Gmbh & Co Kg Composite article with magnetocalorically active material and method for its production
GB2482091B (en) * 2009-09-21 2013-07-17 Rod F Soderberg A composite material including magnetic particles which provides structural and magnetic capabilities
US20210272751A1 (en) * 2020-02-27 2021-09-02 Toyota Jidosha Kabushiki Kaisha Production method of rare earth magnet
US12217907B2 (en) 2020-12-17 2025-02-04 Toyota Jidosha Kabushiki Kaisha Rare-earth magnet and method of manufacturing the same

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH564837A5 (enrdf_load_stackoverflow) * 1973-06-29 1975-07-31 Bbc Brown Boveri & Cie
JPS5812331B2 (ja) * 1974-10-25 1983-03-08 セイコーエプソン株式会社 金属間化合物磁石
CH586954A5 (enrdf_load_stackoverflow) * 1975-07-24 1977-04-15 Bbc Brown Boveri & Cie
JPS5245523A (en) * 1975-10-08 1977-04-11 Seiko Instr & Electronics Ltd Rare earths-cobalt magnet and its production process
DE3505481A1 (de) * 1985-02-16 1986-08-28 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Sinterverfahren
EP0217347B1 (en) * 1985-09-30 1993-02-03 Kabushiki Kaisha Toshiba Use of polycrystalline magnetic substances for magnetic refrigeration
JPS62284027A (ja) * 1986-04-30 1987-12-09 Tohoku Metal Ind Ltd 希土類磁石の製造方法
JPS62284028A (ja) * 1986-04-30 1987-12-09 Tohoku Metal Ind Ltd 希土類磁石の製造方法
DE102012218498A1 (de) * 2012-10-11 2014-04-17 Siemens Aktiengesellschaft Dynamoelektrische Maschine mit einem mehrpoligen Rotor mit Permanentmagneten und deren Herstellung
KR102077147B1 (ko) * 2017-09-29 2020-02-13 도요타 지도샤（주） 희토류 자석
CN119296948B (zh) * 2024-12-10 2025-05-09 杭州电子科技大学 一种同步降低FeSiAl磁粉芯磁滞损耗和涡流损耗的方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460774B (en) * 2007-12-27 2012-09-12 Vacuumschmeize Gmbh & Co Kg Composite article with magnetocalorically active material and method for its production
US8551210B2 (en) 2007-12-27 2013-10-08 Vacuumschmelze Gmbh & Co. Kg Composite article with magnetocalorically active material and method for its production
US9666340B2 (en) 2007-12-27 2017-05-30 Vacuumschmelze Gmbh & Co. Kg Composite article with magnetocalorically active material and method for its production
GB2482091B (en) * 2009-09-21 2013-07-17 Rod F Soderberg A composite material including magnetic particles which provides structural and magnetic capabilities
US20210272751A1 (en) * 2020-02-27 2021-09-02 Toyota Jidosha Kabushiki Kaisha Production method of rare earth magnet
US12217907B2 (en) 2020-12-17 2025-02-04 Toyota Jidosha Kabushiki Kaisha Rare-earth magnet and method of manufacturing the same

Also Published As

Publication number Publication date
JPS5550099B2 (enrdf_load_stackoverflow) 1980-12-16
FR2163611A1 (enrdf_load_stackoverflow) 1973-07-27
ATA1065272A (de) 1975-01-15
NL161288C (nl) 1980-01-15
NL7217038A (enrdf_load_stackoverflow) 1973-06-18
DE2258780A1 (de) 1973-06-28
DD100891A5 (enrdf_load_stackoverflow) 1973-10-12
CH582410A5 (enrdf_load_stackoverflow) 1976-11-30
FR2163611B1 (enrdf_load_stackoverflow) 1976-08-20
AT325866B (de) 1975-11-10
NL161288B (nl) 1979-08-15
CA969076A (en) 1975-06-10
JPS4866524A (enrdf_load_stackoverflow) 1973-09-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee