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CH548810A - PROCESS FOR INCREASING THE COERCITIVE FIELD STRENGTH OF RARE EARTH COBALT ALLOYS. - Google Patents

PROCESS FOR INCREASING THE COERCITIVE FIELD STRENGTH OF RARE EARTH COBALT ALLOYS.

Info

Publication number
CH548810A
CH548810A CH828870A CH828870A CH548810A CH 548810 A CH548810 A CH 548810A CH 828870 A CH828870 A CH 828870A CH 828870 A CH828870 A CH 828870A CH 548810 A CH548810 A CH 548810A
Authority
CH
Switzerland
Prior art keywords
increasing
rare earth
field strength
cobalt alloys
earth cobalt
Prior art date
Application number
CH828870A
Other languages
German (de)
Original Assignee
Goldschmidt Ag Th
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 DE19691940464 external-priority patent/DE1940464C/en
Application filed by Goldschmidt Ag Th filed Critical Goldschmidt Ag Th
Publication of CH548810A publication Critical patent/CH548810A/en

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
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17—Metallic particles coated with metal

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)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CH828870A 1969-08-08 1970-06-03 PROCESS FOR INCREASING THE COERCITIVE FIELD STRENGTH OF RARE EARTH COBALT ALLOYS. CH548810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691940464 DE1940464C (en) 1969-08-08 Process for increasing the coercive field strength of finely dispersed rare earth cobalt alloys

Publications (1)

Publication Number Publication Date
CH548810A true CH548810A (en) 1974-05-15

Family

ID=5742312

Family Applications (1)

Application Number Title Priority Date Filing Date
CH828870A CH548810A (en) 1969-08-08 1970-06-03 PROCESS FOR INCREASING THE COERCITIVE FIELD STRENGTH OF RARE EARTH COBALT ALLOYS.

Country Status (6)

Country Link
JP (1) JPS4815124B1 (en)
BE (1) BE752245A (en)
CH (1) CH548810A (en)
FR (1) FR2056705A5 (en)
GB (1) GB1261497A (en)
NL (1) NL7011766A (en)

Also Published As

Publication number Publication date
JPS4815124B1 (en) 1973-05-12
DE1940464B2 (en) 1971-07-29
FR2056705A5 (en) 1971-05-14
GB1261497A (en) 1972-01-26
BE752245A (en) 1970-12-01
NL7011766A (en) 1971-02-10
DE1940464A1 (en) 1971-02-11

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Legal Events

Date Code Title Description
PL Patent ceased