BE765905A - PROCESS FOR THE MANUFACTURE OF A PULVERULENT BASE SUBSTANCE FORMING THE ESSENTIAL ELEMENT OF PERMANENT MAGNETS - Google Patents

PROCESS FOR THE MANUFACTURE OF A PULVERULENT BASE SUBSTANCE FORMING THE ESSENTIAL ELEMENT OF PERMANENT MAGNETS

Info

Publication number
BE765905A
BE765905A BE765905A BE765905A BE765905A BE 765905 A BE765905 A BE 765905A BE 765905 A BE765905 A BE 765905A BE 765905 A BE765905 A BE 765905A BE 765905 A BE765905 A BE 765905A
Authority
BE
Belgium
Prior art keywords
manufacture
permanent magnets
essential element
base substance
substance forming
Prior art date
Application number
BE765905A
Other languages
French (fr)
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 BE765905A publication Critical patent/BE765905A/en

Links

Classifications

    • 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
    • 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
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • H01F1/0553—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 obtained by reduction or by hydrogen decrepitation or embrittlement
    • 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)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
BE765905A 1970-04-18 1971-04-16 PROCESS FOR THE MANUFACTURE OF A PULVERULENT BASE SUBSTANCE FORMING THE ESSENTIAL ELEMENT OF PERMANENT MAGNETS BE765905A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7005646A NL7005646A (en) 1970-04-18 1970-04-18

Publications (1)

Publication Number Publication Date
BE765905A true BE765905A (en) 1971-10-18

Family

ID=19809884

Family Applications (1)

Application Number Title Priority Date Filing Date
BE765905A BE765905A (en) 1970-04-18 1971-04-16 PROCESS FOR THE MANUFACTURE OF A PULVERULENT BASE SUBSTANCE FORMING THE ESSENTIAL ELEMENT OF PERMANENT MAGNETS

Country Status (9)

Country Link
US (1) US3681151A (en)
JP (1) JPS5021313B1 (en)
AU (1) AU2754771A (en)
BE (1) BE765905A (en)
BR (1) BR7102237D0 (en)
CH (1) CH560955A5 (en)
FR (1) FR2089761A5 (en)
GB (1) GB1313272A (en)
NL (1) NL7005646A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970484A (en) * 1975-01-20 1976-07-20 Hitachi Magnetics Corporation Sintering methods for cobalt-rare earth alloys
US3970485A (en) * 1975-01-20 1976-07-20 Hitachi Magnetics Corporation Binder and lubricant removal from cobalt-rare earth alloys
GB1554384A (en) * 1977-04-15 1979-10-17 Magnetic Polymers Ltd Rare earth metal alloy magnets
DE19751366C2 (en) * 1997-11-20 2002-05-16 Dresden Ev Inst Festkoerper Process for the production of a hard magnetic samarium-cobalt base material
DE19751367C2 (en) * 1997-11-20 2002-06-27 Dresden Ev Inst Festkoerper Process for producing a hard magnetic powder consisting of a samarium-cobalt-based alloy

Also Published As

Publication number Publication date
JPS5021313B1 (en) 1975-07-22
BR7102237D0 (en) 1973-04-19
FR2089761A5 (en) 1972-01-07
AU2754771A (en) 1972-10-19
GB1313272A (en) 1973-04-11
DE2113932A1 (en) 1971-11-11
NL7005646A (en) 1971-10-20
US3681151A (en) 1972-08-01
DE2113932B2 (en) 1976-03-18
CH560955A5 (en) 1975-04-15

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