BE771773A - Procede permettant la fabrication d'un corps magnetiquement anisotrope presentant des proprietes magnetiques permanentes - Google Patents

Procede permettant la fabrication d'un corps magnetiquement anisotrope presentant des proprietes magnetiques permanentes

Info

Publication number
BE771773A
BE771773A BE771773A BE771773A BE771773A BE 771773 A BE771773 A BE 771773A BE 771773 A BE771773 A BE 771773A BE 771773 A BE771773 A BE 771773A BE 771773 A BE771773 A BE 771773A
Authority
BE
Belgium
Prior art keywords
manufacture
magnetic properties
permanent magnetic
anisotropic body
process allowing
Prior art date
Application number
BE771773A
Other languages
English (en)
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
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 Nv filed Critical Philips Nv
Publication of BE771773A publication Critical patent/BE771773A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0555Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/0433Nickel- or cobalt-based alloys
    • C22C1/0441Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/07Alloys 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)
BE771773A 1970-08-27 1971-08-25 Procede permettant la fabrication d'un corps magnetiquement anisotrope presentant des proprietes magnetiques permanentes BE771773A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7012667A NL7012667A (fr) 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
BE771773A true BE771773A (fr) 1972-02-25

Family

ID=27351595

Family Applications (1)

Application Number Title Priority Date Filing Date
BE771773A BE771773A (fr) 1970-08-27 1971-08-25 Procede permettant la fabrication d'un corps magnetiquement anisotrope presentant des proprietes magnetiques permanentes

Country Status (7)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2182635B1 (fr) * 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
CA1235631A (fr) * 1984-02-28 1988-04-26 Hitoshi Yamamoto Production d'aimants permanents, et produits ainsi obtenus
JPS6324030A (ja) * 1986-06-26 1988-02-01 Res Dev Corp Of Japan 異方性希土類磁石材料およびその製造方法
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

Also Published As

Publication number Publication date
CH574159A5 (fr) 1976-03-31
ES394515A1 (es) 1974-03-01
DE2142110B2 (de) 1976-06-24
DE2142110A1 (en) 1972-03-02
SE378049B (fr) 1975-08-11
CA950711A (en) 1974-07-09
AT312953B (de) 1974-01-25

Similar Documents

Publication Publication Date Title
BE756431A (fr) Procede permettant la fabrication d'un corps presentant des proprietes anisotropes magnetiques permanentes
ZA734763B (en) Production of magnetic fluids by peptization techniques
FR1041525A (fr) Circuit magnétique pratiquement fermé comportant un aimant permanent affectant la forme d'un corps mince
IT942869B (it) Bobina magnetica per la generazio ne di campi forti in regime pulsa torio o permanente
IT966309B (it) Procedimento per la produzione di ossido ferrico magnetico ad elevata coercivita
SE393456B (sv) Magnetisk tryckindikator
IT973717B (it) Procedimento per la produzione di particelle di ferro aciculari stabili e magnetiche
BE761704A (fr) Bobine de deviation electromagnetique et methode d'enroulement
BE771773A (fr) Procede permettant la fabrication d'un corps magnetiquement anisotrope presentant des proprietes magnetiques permanentes
BE773528A (fr) Procede permettant la fabrication d'un corps en ferrite polycristallin
SE391240B (sv) Magnetisk tryckindikator
AT248573B (de) Verfahren zur Herstellung eines magnetisch anisotropen Dauermagnetkörpers
FR2327615A1 (fr) Procede permettant l'aimantation finale d'un corps d'aimant fritte du type m5r, et aimant permanent fabrique de la sorte
CA1000360A (en) Method of measuring magnetic fields and magnetometer for performing the method
IT988282B (it) Procedimento per migliorare il com portamento di magnetizzazione spe cialmente di tutti i materiali ma gnetici ferrosi ferrici a magneti smo permanente difficilmente e dif ficilissimamente magnetizzabili per ottenere delle intensita di flusso bmg e delle forze di campo hmoe ele vate economizzando al tempo stesso notevolissimamente del materiale magnetico costoso utilizzabile
GB1121559A (en) Improvements in or relating to methods of and apparatus for the production of magnetic fields using superconducting magnets
IT942675B (it) Procedimento e dispositivo per la formatura di corpi ossiceramici di magneti permanenti ad elevata anisotropia
BE794526A (fr) Procede pour l'extraction biohydrometallurgique du cobalt et du nickel
IT952517B (it) Procedimento per la produzione di corpi aventi proprieta magnetiche permanenti anisotrope
AT319621B (de) Verfahren zur Herstellung eines Dauermagnetkörpers und danach hergestellter Magnetkörper
IT954518B (it) Procedimento per migliorare le proprieta magnetiche di polveri ferromagnetiche
SU431262A1 (fr)
IT954195B (it) Procedimento e dispositivo per la fabbricazione di leghe d elementi di transizione e di metalli del gruppo delle terre rare destinati alla produzione di materiali per magneti permanenti
SU478370A1 (ru) Шариковый магнитоуправл емый контакт
SU458042A1 (ru) Электромагнит дл получени сильных магнитных полей