ES8608457A1 - Un procedimiento para elaborar una ferrita - Google Patents

Un procedimiento para elaborar una ferrita

Info

Publication number
ES8608457A1
ES8608457A1 ES545537A ES545537A ES8608457A1 ES 8608457 A1 ES8608457 A1 ES 8608457A1 ES 545537 A ES545537 A ES 545537A ES 545537 A ES545537 A ES 545537A ES 8608457 A1 ES8608457 A1 ES 8608457A1
Authority
ES
Spain
Prior art keywords
iii
oxides
magnetic material
permanent magnets
material based
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
Application number
ES545537A
Other languages
English (en)
Other versions
ES545537A0 (es
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.)
Aimants Ugimac SA
Centre National de la Recherche Scientifique CNRS
Original Assignee
Aimants Ugimac SA
Centre National de la Recherche Scientifique CNRS
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 Ugimac SA, Centre National de la Recherche Scientifique CNRS filed Critical Aimants Ugimac SA
Publication of ES8608457A1 publication Critical patent/ES8608457A1/es
Publication of ES545537A0 publication Critical patent/ES545537A0/es
Expired legal-status Critical Current

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
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Ceramics (AREA)

Abstract

PROCEDIMIENTO PARA ELABORAR UN MATERIAL ANISOTROPO A BASE DE OXIDOS DE ESTRUCTURA HEXAGONAL. COMPRENDE: A) MEZCLAR A LOS OXIDOS CONSTITUTIVOS DEL MATERIAL ANISOTROPO; B) CALCINAR AL AIRE A LA MEZCLA DE A), ENTRE 1.200 Y 1.370JC DURANTE 15 MIN A 20 HORAS; C) ENFRIAR RAPIDAMENTE A LA MEZCLA CALCINADA A UNA VELOLCIDAD SUPERIOR A 100JC DURANTE LOS 5 PRIMEROS MINUTOS Y MAS LENTA DESPUES; Y D) TRITURAR A LA MEZCLA ENFRIADA, PARA OBTENER UNA FERRITA HEXAGONAL (I). SIENDO: M, METALES DEL GRUPO SR, BA SUSTITUIDOS POR CA O PB; MEI CUI O LI; MEII, ZN, MN, NI O CO; Y MEIII, FEIII, AL, CR, SUSTITUIDOS POR COIII, MNIII O RUIII Y ESTANDO A ENTRE C0,05 Y 0,45 Y X 0 H X H 1. SE UTILIZA PARA FABRICAR IMANES PERMANENTES.
ES545537A 1984-07-25 1985-07-24 Un procedimiento para elaborar una ferrita Expired ES8608457A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8412035A FR2568246A1 (fr) 1984-07-25 1984-07-25 Materiau magnetique anisotrope a base d'oxydes pour aimants permanents

Publications (2)

Publication Number Publication Date
ES8608457A1 true ES8608457A1 (es) 1986-06-16
ES545537A0 ES545537A0 (es) 1986-06-16

Family

ID=9306599

Family Applications (1)

Application Number Title Priority Date Filing Date
ES545537A Expired ES8608457A1 (es) 1984-07-25 1985-07-24 Un procedimiento para elaborar una ferrita

Country Status (5)

Country Link
EP (1) EP0172121B1 (es)
JP (1) JPS6191017A (es)
DE (1) DE3561149D1 (es)
ES (1) ES8608457A1 (es)
FR (1) FR2568246A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63186402A (ja) * 1987-01-28 1988-08-02 Sumitomo Special Metals Co Ltd 高抗磁力を有するフェライト磁石の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU34570A1 (es) * 1955-08-10

Also Published As

Publication number Publication date
FR2568246A1 (fr) 1986-01-31
ES545537A0 (es) 1986-06-16
DE3561149D1 (en) 1988-01-21
EP0172121A1 (fr) 1986-02-19
JPS6191017A (ja) 1986-05-09
EP0172121B1 (fr) 1987-12-09

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