CH524876A - Verfahren zum zeitweiligen Verringern der Koerzitivkraft eines dauermagnetisierbaren Materials - Google Patents

Verfahren zum zeitweiligen Verringern der Koerzitivkraft eines dauermagnetisierbaren Materials

Info

Publication number
CH524876A
CH524876A CH360670A CH360670A CH524876A CH 524876 A CH524876 A CH 524876A CH 360670 A CH360670 A CH 360670A CH 360670 A CH360670 A CH 360670A CH 524876 A CH524876 A CH 524876A
Authority
CH
Switzerland
Prior art keywords
coercive force
magnetizable material
temporarily reducing
permanently magnetizable
permanently
Prior art date
Application number
CH360670A
Other languages
German (de)
English (en)
Inventor
Frederik Westendorf Frans
Zijlstra Hinne
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH524876A publication Critical patent/CH524876A/de

Links

Classifications

    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/023—Hydrogen absorption
    • 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
    • B22F1/14—Treatment of metallic powder
    • 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
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
CH360670A 1969-03-14 1970-03-11 Verfahren zum zeitweiligen Verringern der Koerzitivkraft eines dauermagnetisierbaren Materials CH524876A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6903931A NL6903931A (xx) 1969-03-14 1969-03-14

Publications (1)

Publication Number Publication Date
CH524876A true CH524876A (de) 1972-06-30

Family

ID=19806410

Family Applications (1)

Application Number Title Priority Date Filing Date
CH360670A CH524876A (de) 1969-03-14 1970-03-11 Verfahren zum zeitweiligen Verringern der Koerzitivkraft eines dauermagnetisierbaren Materials

Country Status (11)

Country Link
US (1) US3647574A (xx)
AT (1) AT302501B (xx)
AU (1) AU1251670A (xx)
BE (1) BE747286A (xx)
BR (1) BR7017383D0 (xx)
CA (1) CA918044A (xx)
CH (1) CH524876A (xx)
ES (1) ES377414A1 (xx)
FR (1) FR2038898A5 (xx)
GB (1) GB1262594A (xx)
NL (1) NL6903931A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1554384A (en) * 1977-04-15 1979-10-17 Magnetic Polymers Ltd Rare earth metal alloy magnets

Also Published As

Publication number Publication date
US3647574A (en) 1972-03-07
AT302501B (de) 1972-10-25
NL6903931A (xx) 1970-09-16
AU1251670A (en) 1971-09-16
CA918044A (en) 1973-01-02
BR7017383D0 (pt) 1973-01-16
DE2008191B2 (de) 1977-06-30
BE747286A (fr) 1970-09-14
FR2038898A5 (xx) 1971-01-08
GB1262594A (en) 1972-02-02
DE2008191A1 (de) 1970-10-01
ES377414A1 (es) 1972-07-01

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Legal Events

Date Code Title Description
PL Patent ceased