DK117514B - Permanentmagnet opbygget af fine partikler af en forbindelse RCo5. - Google Patents

Permanentmagnet opbygget af fine partikler af en forbindelse RCo5.

Info

Publication number
DK117514B
DK117514B DK19368AA DK19368A DK117514B DK 117514 B DK117514 B DK 117514B DK 19368A A DK19368A A DK 19368AA DK 19368 A DK19368 A DK 19368A DK 117514 B DK117514 B DK 117514B
Authority
DK
Denmark
Prior art keywords
rco5
compound
permanent magnet
fine particles
magnet made
Prior art date
Application number
DK19368AA
Other languages
Danish (da)
English (en)
Inventor
Kurt H J Buschow
Wilhelmus A J J Velge
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 DK117514B publication Critical patent/DK117514B/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
  • Drying Of Solid Materials (AREA)
  • Detergent Compositions (AREA)
DK19368AA 1967-01-21 1968-01-18 Permanentmagnet opbygget af fine partikler af en forbindelse RCo5. DK117514B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6700998A NL6700998A (de) 1967-01-21 1967-01-21

Publications (1)

Publication Number Publication Date
DK117514B true DK117514B (da) 1970-05-04

Family

ID=19799069

Family Applications (1)

Application Number Title Priority Date Filing Date
DK19368AA DK117514B (da) 1967-01-21 1968-01-18 Permanentmagnet opbygget af fine partikler af en forbindelse RCo5.

Country Status (11)

Country Link
US (1) US3523836A (de)
AT (1) AT280624B (de)
BE (1) BE709654A (de)
CH (1) CH514222A (de)
DE (1) DE1558619B2 (de)
DK (1) DK117514B (de)
FR (1) FR1553242A (de)
GB (1) GB1195333A (de)
NL (1) NL6700998A (de)
NO (1) NO122139B (de)
SE (1) SE324021B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790414A (en) * 1967-11-15 1974-02-05 Matsushita Electric Ind Co Ltd As-CAST, RARE-EARTH-Co-Cu PERMANENT MAGNET MATERIAL
US3839102A (en) * 1967-11-15 1974-10-01 Matsushita Electric Ind Co Ltd Permanent magnet
US3664892A (en) * 1968-01-31 1972-05-23 Gen Electric Permanent magnet material powders having superior magnetic characteristics
NL6906305A (de) * 1969-01-24 1970-10-27
US4063971A (en) * 1969-08-08 1977-12-20 Th. Goldschmidt Ag Method of increasing the coercive force of pulverized rare earth-cobalt alloys
NL6919154A (de) * 1969-12-20 1971-06-22
FR2110755A5 (de) * 1970-10-29 1972-06-02 Sermag
US3755007A (en) * 1971-04-01 1973-08-28 Gen Electric Stabilized permanent magnet comprising a sintered and quenched body of compacted cobalt-rare earth particles
US4378258A (en) * 1972-03-16 1983-03-29 The United States Of America As Represented By The Secretary Of The Navy Conversion between magnetic energy and mechanical energy
FR2182635B1 (de) * 1972-05-02 1978-03-03 Sermag
US4075042A (en) * 1973-11-16 1978-02-21 Raytheon Company Samarium-cobalt magnet with grain growth inhibited SmCo5 crystals
DE2632126C2 (de) * 1976-07-16 1978-05-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Polarisiertes Miniaturrelais
US4174966A (en) * 1978-12-15 1979-11-20 The United States Of America As Represented By The Secretary Of The Interior High coercive force rare earth metal-cobalt magnets containing copper and magnesium
US4537850A (en) * 1983-08-30 1985-08-27 Wilfred Smeiman Process and apparatus for rejuvenating electrostatic copy machine toner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813789A (en) * 1952-04-08 1957-11-19 Glaser Louis Permanent magnet alloys
US3102002A (en) * 1960-03-25 1963-08-27 Univ Pittsburgh Ferromagnetic materials prepared from lanthanons and transition metals
US3326637A (en) * 1963-12-27 1967-06-20 Ibm Ferromagnetic intermetallic compounds and method of preparation
US3342591A (en) * 1964-08-31 1967-09-19 Ibm Ferromagnetic compounds and method of preparation
US3421889A (en) * 1966-01-13 1969-01-14 Us Air Force Magnetic rare earth-cobalt alloys
US3424578A (en) * 1967-06-05 1969-01-28 Us Air Force Method of producing permanent magnets of rare earth metals containing co,or mixtures of co,fe and mn

Also Published As

Publication number Publication date
NO122139B (de) 1971-05-24
SE324021B (de) 1970-05-19
DE1558619B2 (de) 1977-06-30
BE709654A (de) 1968-07-19
GB1195333A (en) 1970-06-17
CH514222A (de) 1971-10-15
FR1553242A (de) 1969-01-10
DE1558619A1 (de) 1970-05-06
US3523836A (en) 1970-08-11
AT280624B (de) 1970-04-27
NL6700998A (de) 1968-07-22

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