IT7919973A0 - Procedimento di preparazione di polveri di ferriti e polveri o magneti permanenti cosi' ottenuti. - Google Patents

Procedimento di preparazione di polveri di ferriti e polveri o magneti permanenti cosi' ottenuti.

Info

Publication number
IT7919973A0
IT7919973A0 IT7919973A IT1997379A IT7919973A0 IT 7919973 A0 IT7919973 A0 IT 7919973A0 IT 7919973 A IT7919973 A IT 7919973A IT 1997379 A IT1997379 A IT 1997379A IT 7919973 A0 IT7919973 A0 IT 7919973A0
Authority
IT
Italy
Prior art keywords
powders
procedure
preparation
permanent magnets
ferrite
Prior art date
Application number
IT7919973A
Other languages
English (en)
Other versions
IT1110398B (it
Inventor
Lemaire Henri
Boeuf Jean-Marie
Gerest Pierre
Original Assignee
Aimants 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 Aimants Ugimag Sa filed Critical Aimants Ugimag Sa
Publication of IT7919973A0 publication Critical patent/IT7919973A0/it
Application granted granted Critical
Publication of IT1110398B publication Critical patent/IT1110398B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead
    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
    • H01F1/117—Flexible bodies
IT19973/79A 1978-02-09 1979-02-07 Procedimento di preparazione di polveri di ferriti e polveri o magneti permanenti cosi ottenuti IT1110398B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87635578A 1978-02-09 1978-02-09

Publications (2)

Publication Number Publication Date
IT7919973A0 true IT7919973A0 (it) 1979-02-07
IT1110398B IT1110398B (it) 1985-12-23

Family

ID=25367516

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19973/79A IT1110398B (it) 1978-02-09 1979-02-07 Procedimento di preparazione di polveri di ferriti e polveri o magneti permanenti cosi ottenuti

Country Status (11)

Country Link
EP (1) EP0003710B1 (it)
JP (1) JPS54116399A (it)
AT (1) AT366020B (it)
BE (1) BE874057A (it)
BR (1) BR7900713A (it)
CA (1) CA1135081A (it)
CH (1) CH640667A5 (it)
DE (1) DE2960466D1 (it)
ES (1) ES477487A1 (it)
IN (1) IN150524B (it)
IT (1) IT1110398B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827212B2 (ja) * 1979-06-08 1983-06-08 同和鉱業株式会社 ６方晶フエライトの乾式製造法
FR3000835B1 (fr) * 2013-01-10 2015-02-20 Commissariat Energie Atomique Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1022969A (en) * 1963-10-14 1966-03-16 Rola Company Australia Proprie Method of producing a permanent magnet material
GB1286468A (en) * 1968-11-06 1972-08-23 Plessey Co Ltd Improvements in or relating to magnetic materials
CA933344A (en) * 1970-07-02 1973-09-11 General Motors Corporation Magnetically-anisotropic permanent magnets and method of making same
ES393853A1 (es) * 1970-08-12 1973-08-16 Minnesota Mining & Mfg Procedimiento para fabricar particulas de ferrita de bario.
US3853975A (en) * 1972-03-13 1974-12-10 Shell Oil Co Ceramic production
JPS5549030B2 (it) * 1972-10-27 1980-12-09

Also Published As

Publication number Publication date
BE874057A (fr) 1979-08-09
JPS5632257B2 (it) 1981-07-27
CA1135081A (fr) 1982-11-09
BR7900713A (pt) 1979-09-04
DE2960466D1 (en) 1981-10-22
AT366020B (de) 1982-03-10
ATA95979A (de) 1981-07-15
CH640667A5 (fr) 1984-01-13
IN150524B (it) 1982-11-06
JPS54116399A (en) 1979-09-10
EP0003710A1 (fr) 1979-08-22
IT1110398B (it) 1985-12-23
EP0003710B1 (fr) 1981-07-15
ES477487A1 (es) 1979-10-16

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