FR2065635A1 - Permanent magnetic powder of cobalt rare - earth metal compound - Google Patents

Permanent magnetic powder of cobalt rare - earth metal compound

Info

Publication number
FR2065635A1
FR2065635A1 FR6921793A FR6921793A FR2065635A1 FR 2065635 A1 FR2065635 A1 FR 2065635A1 FR 6921793 A FR6921793 A FR 6921793A FR 6921793 A FR6921793 A FR 6921793A FR 2065635 A1 FR2065635 A1 FR 2065635A1
Authority
FR
France
Prior art keywords
earth metal
metal compound
magnetic powder
permanent magnetic
cobalt rare
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.)
Granted
Application number
FR6921793A
Other languages
French (fr)
Other versions
FR2065635B1 (en
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to FR6921793A priority Critical patent/FR2065635A1/en
Publication of FR2065635A1 publication Critical patent/FR2065635A1/en
Application granted granted Critical
Publication of FR2065635B1 publication Critical patent/FR2065635B1/fr
Granted 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
    • H01F1/0551—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

Particles of the compound are contacted with a metal, from the Zn and As group, in an inert atm. and at a temp. at which the latter metal is not solid. Spec. the compound is Co5Y, Co5Sm or Co5M, where M is Misch-metall rich in Ce, and the inert atmos. is H or He.
FR6921793A 1969-07-08 1969-07-08 Permanent magnetic powder of cobalt rare - earth metal compound Granted FR2065635A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6921793A FR2065635A1 (en) 1969-07-08 1969-07-08 Permanent magnetic powder of cobalt rare - earth metal compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6921793A FR2065635A1 (en) 1969-07-08 1969-07-08 Permanent magnetic powder of cobalt rare - earth metal compound

Publications (2)

Publication Number Publication Date
FR2065635A1 true FR2065635A1 (en) 1971-08-06
FR2065635B1 FR2065635B1 (en) 1973-10-19

Family

ID=9036523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6921793A Granted FR2065635A1 (en) 1969-07-08 1969-07-08 Permanent magnetic powder of cobalt rare - earth metal compound

Country Status (1)

Country Link
FR (1) FR2065635A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6717442A (en) * 1967-12-21 1969-06-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6717442A (en) * 1967-12-21 1969-06-24

Also Published As

Publication number Publication date
FR2065635B1 (en) 1973-10-19

Similar Documents

Publication Publication Date Title
CA924779A (en) Multiple frequency magnetic field technique for differentiating between classes of metal objects
CA931791A (en) Methods for the manufacture by sintering of porous metallic parts and parts manufactured thereby
CA978611A (en) Armature assembly and magnetically suspended vehicle
IL22051A (en) Coating zinc and zinc alloy surfaces
CA939158A (en) Method of inhibiting wind movement of loose particles from surfaces
FR2065635A1 (en) Permanent magnetic powder of cobalt rare - earth metal compound
NL6910587A (en) Permanent magnetic powder of cobalt rare - earth metal compound
CA1007711A (en) Method for solder bonding of rare-earth permanent magnets, and rare-earth permanent magnets produced by the method
CA953817A (en) Magnetic disc assembly
CA985068A (en) Cobalt-samarium magnets stabilized with zinc
CA970998A (en) Lead-impregnated sintered ferrous alloy
GB1071885A (en) Manganese aluminium alloy magnets
BARANOV et al. Dependence of mechanical properties of alloys of the Al-Zn-Mg system on the aging treatment(Al-Zn-Mg alloys low temperature mechanical properties dependence on aging treatment)
CA889243A (en) Permanent magnet built up from fine particles of a compound m5r.
IL35718A0 (en) A method for the operation of a zinc or zinc/lead blast furnace
CA828230A (en) Zinc or iron, resin bullets
GLAZUNOV et al. Mechanical properties of alloys of the Ti-Al-Cr and Ti-Al-Cr-Mo systems(Mechanical properties of Ti-Al-Cr and Ti-Al-Cr-Mo alloys annealed below solidus temperatures)
CARRUTHERS EXPANDING METAL CONSUMPTION--PARTICULARLY OF COPPER, LEAD AND ZINC
AU445508B2 (en) Copper base alloys containing manganese and zinc and processing same
CA832378A (en) Pyrometallurgical method of treating slags, containing non-ferrous and rare metals
ZA741375B (en) Method of producing mechanically strong pellets from ores and/or concentrates which contain metal oxides
CA803898A (en) Magnetic catch assembly
CA859851A (en) Ferromagnetic ore concentrator and magnetic circuit
CA828090A (en) Method of rare-earth metal recovery from orthovanadate compound
CA804134A (en) Permanent magnet motor