DE2142110B2 - Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften aus einer co tief 5 r- verbindung - Google Patents

Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften aus einer co tief 5 r- verbindung

Info

Publication number
DE2142110B2
DE2142110B2 DE19712142110 DE2142110A DE2142110B2 DE 2142110 B2 DE2142110 B2 DE 2142110B2 DE 19712142110 DE19712142110 DE 19712142110 DE 2142110 A DE2142110 A DE 2142110A DE 2142110 B2 DE2142110 B2 DE 2142110B2
Authority
DE
Germany
Prior art keywords
temperature
sintering
sintered
aging
coercive force
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.)
Ceased
Application number
DE19712142110
Other languages
German (de)
English (en)
Other versions
DE2142110A1 (en
Inventor
Gijsbertus Gerardus van; Naastepad Pieter Aart; Eindhoven Liempd (Niederlande)
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/xx
Priority claimed from NL7016725A external-priority patent/NL7016725A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE2142110A1 publication Critical patent/DE2142110A1/de
Publication of DE2142110B2 publication Critical patent/DE2142110B2/de
Ceased 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)
DE19712142110 1970-08-27 1971-08-23 Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften aus einer co tief 5 r- verbindung Ceased DE2142110B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7012667A NL7012667A (xx) 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 (2)

Publication Number Publication Date
DE2142110A1 DE2142110A1 (en) 1972-03-02
DE2142110B2 true DE2142110B2 (de) 1976-06-24

Family

ID=27351595

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712142110 Ceased DE2142110B2 (de) 1970-08-27 1971-08-23 Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften aus einer co tief 5 r- verbindung

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251233A1 (en) * 1986-06-26 1988-01-07 Research Development Corporation of Japan Anisotropic rare earth magnet material and production process thereof

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2182635B1 (xx) * 1972-05-02 1978-03-03 Sermag
FR2295130A1 (fr) * 1974-08-27 1976-07-16 Aimants Ugimag Sa Composition pour aimants permanents de la famille " terres-rares - metaux de transition " et procede de fabrication d'un tel aimant
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
DE3575231D1 (de) * 1984-02-28 1990-02-08 Sumitomo Spec Metals Verfahren zur herstellung von permanenten magneten.
JPH0442507A (ja) * 1990-06-08 1992-02-13 Hitachi Metals Ltd 希土類永久磁石およびその熱処理方法ならびに磁石体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251233A1 (en) * 1986-06-26 1988-01-07 Research Development Corporation of Japan Anisotropic rare earth magnet material and production process thereof

Also Published As

Publication number Publication date
BE771773A (fr) 1972-02-25
CA950711A (en) 1974-07-09
DE2142110A1 (en) 1972-03-02
ES394515A1 (es) 1974-03-01
SE378049B (xx) 1975-08-11
AT312953B (de) 1974-01-25
CH574159A5 (xx) 1976-03-31

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