[go: up one dir, main page]

DE69402551D1 - A RARE EARTH-COBALT TYPE OF FLUORINE-CONTAINING MAGNETIC POWDER AND DENSATED PERMANENT MAGNETS THEREOF AND THEIR PRODUCTION PROCESS - Google Patents

A RARE EARTH-COBALT TYPE OF FLUORINE-CONTAINING MAGNETIC POWDER AND DENSATED PERMANENT MAGNETS THEREOF AND THEIR PRODUCTION PROCESS

Info

Publication number
DE69402551D1
DE69402551D1 DE69402551T DE69402551T DE69402551D1 DE 69402551 D1 DE69402551 D1 DE 69402551D1 DE 69402551 T DE69402551 T DE 69402551T DE 69402551 T DE69402551 T DE 69402551T DE 69402551 D1 DE69402551 D1 DE 69402551D1
Authority
DE
Germany
Prior art keywords
densated
fluorine
rare earth
production process
permanent magnets
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 - Fee Related
Application number
DE69402551T
Other languages
German (de)
Other versions
DE69402551T2 (en
Inventor
Armand Gabriel
Henri Lemaire
Fernand Vial
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.)
Ugimag SA
Original Assignee
Ugimag SA
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 Ugimag SA filed Critical Ugimag SA
Application granted granted Critical
Publication of DE69402551D1 publication Critical patent/DE69402551D1/en
Publication of DE69402551T2 publication Critical patent/DE69402551T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • 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
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
DE69402551T 1993-07-08 1994-07-07 A RARE EARTH-COBALT TYPE OF FLUORINE-CONTAINING MAGNETIC POWDER AND DENSATED PERMANENT MAGNETS THEREOF AND THEIR PRODUCTION PROCESS Expired - Fee Related DE69402551T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9308644A FR2707192B1 (en) 1993-07-08 1993-07-08 Process for the preparation of magnetic powders of the rare earth-cobalt type containing fluorine and corresponding densified permanent magnets.
PCT/FR1994/000838 WO1995002252A1 (en) 1993-07-08 1994-07-07 Process for the preparation of cobalt/rare earth type magnetic powders containing fluorine and corresponding densified permanent magnets

Publications (2)

Publication Number Publication Date
DE69402551D1 true DE69402551D1 (en) 1997-05-15
DE69402551T2 DE69402551T2 (en) 1997-09-11

Family

ID=9449236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69402551T Expired - Fee Related DE69402551T2 (en) 1993-07-08 1994-07-07 A RARE EARTH-COBALT TYPE OF FLUORINE-CONTAINING MAGNETIC POWDER AND DENSATED PERMANENT MAGNETS THEREOF AND THEIR PRODUCTION PROCESS

Country Status (4)

Country Link
EP (1) EP0707739B1 (en)
DE (1) DE69402551T2 (en)
FR (1) FR2707192B1 (en)
WO (1) WO1995002252A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007032406B3 (en) * 2007-07-10 2008-10-23 Gkss-Forschungszentrum Geesthacht Gmbh Production of alloys based on titanium aluminides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6803121A (en) * 1968-03-05 1969-09-09
JPS6057601A (en) * 1983-09-08 1985-04-03 Sumitomo Special Metals Co Ltd Material of permanent magnet
JPS60173804A (en) * 1984-02-17 1985-09-07 Seiko Instr & Electronics Ltd Manufacture of rare earth cobalt magnet
JPH02288306A (en) * 1989-04-28 1990-11-28 Seiko Electronic Components Ltd Manufacture of rare earth permanent magnet

Also Published As

Publication number Publication date
EP0707739A1 (en) 1996-04-24
EP0707739B1 (en) 1997-04-09
WO1995002252A1 (en) 1995-01-19
FR2707192A1 (en) 1995-01-13
DE69402551T2 (en) 1997-09-11
FR2707192B1 (en) 1995-08-11

Similar Documents

Publication Publication Date Title
DE69126706D1 (en) Material for permanent magnet and manufacturing process
DE69622798D1 (en) Rare earth permanent magnet and its manufacturing process
EP0190461A3 (en) Process for producing permanent magnets and permanent magnet
EP0101552A3 (en) Magnetic materials and permanent magnets
EP0106948A3 (en) Magnetic materials and permanent magnets
GB2252661B (en) Thin film magnetic head and fabrication method thereof
AU1082395A (en) Rare earth element-metal-hydrogen-boron permanent magnet and method of production
DE69215385D1 (en) Magnetic carrier and manufacturing process
DE69310459D1 (en) Magnetic materials and manufacturing processes
DE69317113D1 (en) RARE MAGNETIC POWDER AND PRODUCTION METHOD
GB9411462D0 (en) Wear-resistant high permeability magnetic alloy and method of manufacturing the same
DE69401479D1 (en) Neutron tube with magnetic electron confinement by permanent magnets and its manufacturing process
AU578518B2 (en) Enhanced remanence permanent magnetic alloy and bodies thereof and method of preparing same
DE69815479D1 (en) Rare earth permanent magnet material and manufacturing process
HU902587D0 (en) Permanent magnet material and process for production thereof
DE69402551D1 (en) A RARE EARTH-COBALT TYPE OF FLUORINE-CONTAINING MAGNETIC POWDER AND DENSATED PERMANENT MAGNETS THEREOF AND THEIR PRODUCTION PROCESS
DE69318345D1 (en) Cobalt-platinum magnetic film and manufacturing process
DE69310624D1 (en) Magnetic material and manufacturing process
GB9301211D0 (en) Periodic permanent magnet assembly for electron tubes and method of making the same
EP0447198A3 (en) Oxide superconductor laminations and methods of manufacturing them
DE69424845D1 (en) Magnetic powder, permanent magnet and manufacturing process
EP0331517A3 (en) A rare earth permanent magnet and a method for manufacture thereof
DE69421882D1 (en) Magnetic head and manufacturing process
EP0425469A3 (en) Permanent magnet (material) and production process
EP0510970A3 (en) Magnetic head and manufacturing method thereof

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee