CA950711A - Method of manufacturing a body having anisotropic permanent magnetic properties - Google Patents

Method of manufacturing a body having anisotropic permanent magnetic properties

Info

Publication number
CA950711A
CA950711A CA121,179,A CA121179A CA950711A CA 950711 A CA950711 A CA 950711A CA 121179 A CA121179 A CA 121179A CA 950711 A CA950711 A CA 950711A
Authority
CA
Canada
Prior art keywords
manufacturing
magnetic properties
permanent magnetic
anisotropic permanent
anisotropic
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
CA121,179,A
Other versions
CA121179S (en
Inventor
Gijsbertus G. Van Liempd
Pieter A. Naastepad
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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
Priority claimed from NL7012667A external-priority patent/NL7012667A/xx
Priority claimed from NL7015617A external-priority patent/NL7015617A/en
Priority claimed from NL7016725A external-priority patent/NL7016725A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA950711A publication Critical patent/CA950711A/en
Expired legal-status Critical Current

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
    • H01F1/0555—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
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
CA121,179,A 1970-08-27 1971-08-24 Method of manufacturing a body having anisotropic permanent magnetic properties Expired CA950711A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7012667A NL7012667A (en) 1970-08-27 1970-08-27
NL7015617A NL7015617A (en) 1970-10-24 1970-10-24 Anisotropic non-aging permanent magnets - from sintered powdered cobalt and rare earth cpds
NL7016725A NL7016725A (en) 1970-11-14 1970-11-14 Anisotropic non-aging permanent magnets - from sintered powdered cobalt and rare earth cpds

Publications (1)

Publication Number Publication Date
CA950711A true CA950711A (en) 1974-07-09

Family

ID=27351595

Family Applications (1)

Application Number Title Priority Date Filing Date
CA121,179,A Expired CA950711A (en) 1970-08-27 1971-08-24 Method of manufacturing a body having anisotropic permanent magnetic properties

Country Status (7)

Country Link
AT (1) AT312953B (en)
BE (1) BE771773A (en)
CA (1) CA950711A (en)
CH (1) CH574159A5 (en)
DE (1) DE2142110B2 (en)
ES (1) ES394515A1 (en)
SE (1) SE378049B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2182635B1 (en) * 1972-05-02 1978-03-03 Sermag
FR2295130A1 (en) * 1974-08-27 1976-07-16 Aimants Ugimag Sa COMPOSITION FOR PERMANENT MAGNETS OF THE "RARE-EARTH - TRANSITION METALS" FAMILY AND METHOD OF MANUFACTURING SUCH A MAGNET
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
US4601875A (en) * 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
CA1235631A (en) * 1984-02-28 1988-04-26 Hitoshi Yamamoto Process for producing permanent magnets and products thereof
JPS6324030A (en) * 1986-06-26 1988-02-01 Res Dev Corp Of Japan Anisotropic rare earth magnet material and its production
JPH0442507A (en) * 1990-06-08 1992-02-13 Hitachi Metals Ltd Rare earth based permanent magnet and heat treatment thereof ad magnet body

Also Published As

Publication number Publication date
DE2142110A1 (en) 1972-03-02
SE378049B (en) 1975-08-11
CH574159A5 (en) 1976-03-31
AT312953B (en) 1974-01-25
DE2142110B2 (en) 1976-06-24
BE771773A (en) 1972-02-25
ES394515A1 (en) 1974-03-01

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