GB1380330A - Process for the production of permanent-magnetic sintered articles having a ternary cobalt-lanthanoid composition - Google Patents

Process for the production of permanent-magnetic sintered articles having a ternary cobalt-lanthanoid composition

Info

Publication number
GB1380330A
GB1380330A GB5928672A GB5928672A GB1380330A GB 1380330 A GB1380330 A GB 1380330A GB 5928672 A GB5928672 A GB 5928672A GB 5928672 A GB5928672 A GB 5928672A GB 1380330 A GB1380330 A GB 1380330A
Authority
GB
United Kingdom
Prior art keywords
lanthanoid
mixture
composition
permanent
production
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
GB5928672A
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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB1380330A publication Critical patent/GB1380330A/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
    • 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
    • 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)
GB5928672A 1971-12-27 1972-12-21 Process for the production of permanent-magnetic sintered articles having a ternary cobalt-lanthanoid composition Expired GB1380330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1890371A CH578239A5 (enrdf_load_stackoverflow) 1971-12-27 1971-12-27

Publications (1)

Publication Number Publication Date
GB1380330A true GB1380330A (en) 1975-01-15

Family

ID=4436020

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5928672A Expired GB1380330A (en) 1971-12-27 1972-12-21 Process for the production of permanent-magnetic sintered articles having a ternary cobalt-lanthanoid composition

Country Status (4)

Country Link
CH (1) CH578239A5 (enrdf_load_stackoverflow)
DE (1) DE2200910B1 (enrdf_load_stackoverflow)
GB (1) GB1380330A (enrdf_load_stackoverflow)
NL (1) NL7217591A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297926A1 (fr) * 1975-01-14 1976-08-13 Bbc Brown Boveri & Cie Matiere a aimantation permanente contenant des metaux des terres

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119811813A (zh) * 2024-12-11 2025-04-11 钢铁研究总院有限公司 一种高温度稳定性稀土钴永磁材料及制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297926A1 (fr) * 1975-01-14 1976-08-13 Bbc Brown Boveri & Cie Matiere a aimantation permanente contenant des metaux des terres

Also Published As

Publication number Publication date
DE2200910B1 (de) 1973-03-01
DE2200910A1 (enrdf_load_stackoverflow) 1973-03-01
CH578239A5 (enrdf_load_stackoverflow) 1976-07-30
NL7217591A (enrdf_load_stackoverflow) 1973-06-29

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Legal Events

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