MXPA04003449A - Imanes de tipo ferrita economicos y con propiedades mejoradas. - Google Patents

Imanes de tipo ferrita economicos y con propiedades mejoradas.

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Publication number
MXPA04003449A
MXPA04003449A MXPA04003449A MXPA04003449A MXPA04003449A MX PA04003449 A MXPA04003449 A MX PA04003449A MX PA04003449 A MXPA04003449 A MX PA04003449A MX PA04003449 A MXPA04003449 A MX PA04003449A MX PA04003449 A MXPA04003449 A MX PA04003449A
Authority
MX
Mexico
Prior art keywords
enhanced properties
type magnets
element selected
ferrite
economical
Prior art date
Application number
MXPA04003449A
Other languages
English (en)
Inventor
Morel Antoine
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
Publication of MXPA04003449A publication Critical patent/MXPA04003449A/es

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    • 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
    • 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
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    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
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    • C—CHEMISTRY; METALLURGY
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    • 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
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Compounds Of Iron (AREA)

Abstract

En el iman de tipo ferrita que comprende una fase magnetoplumbita de formula M1-xRxFe12-yTyO19: M designa por lo menos un elemento elegido entre el grupo constituido por: Sr, Ba, Ca y Pb; R designa por lo menos un elemento elegido entre las tierras raras y Bi; T designa por lo menos un elemento elegido entre Co, Mn, Ni, Zn; 0.15X 0.42; 0.50 a = y/x 0.90; de manera de tener un iman de ferrita que presente simultaneamente un indice de elemento T reducido y un indice global de rendimiento GIP=Br+0.5. HK por lo menos igual a 580, preferentemente por lo menos igual a 585, siendo Br la induccion remanente expresa como mT, HK correspondiente al campo H expresado como KA/m, para B= 0.9 Br.
MXPA04003449A 2001-10-19 2002-10-14 Imanes de tipo ferrita economicos y con propiedades mejoradas. MXPA04003449A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0113542A FR2831317B1 (fr) 2001-10-19 2001-10-19 Aimants de type ferrite economiques et a proprietes ameliorees
PCT/FR2002/003516 WO2003033432A1 (fr) 2001-10-19 2002-10-14 Aimants de type ferrite economiques et a proprietes ameliorees

Publications (1)

Publication Number Publication Date
MXPA04003449A true MXPA04003449A (es) 2004-07-08

Family

ID=8868510

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04003449A MXPA04003449A (es) 2001-10-19 2002-10-14 Imanes de tipo ferrita economicos y con propiedades mejoradas.

Country Status (9)

Country Link
US (1) US20040251997A1 (es)
EP (1) EP1438270A1 (es)
JP (1) JP2005505944A (es)
KR (1) KR100845201B1 (es)
CN (1) CN100386288C (es)
BR (1) BR0213387A (es)
FR (1) FR2831317B1 (es)
MX (1) MXPA04003449A (es)
WO (1) WO2003033432A1 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0508979B1 (pt) * 2004-09-10 2016-07-12 Hitachi Metals Ltd material magnético de óxido e magneto sinterizado
EP1953123B1 (en) * 2005-11-25 2011-05-04 Hitachi Metals, Ltd. Oxide based magnetic material, process for producing the same, sintered ferrite magnet and process for producing the same
US7919007B2 (en) * 2005-12-19 2011-04-05 Tdk Corporation Ferrite magnetic material
JP5316737B2 (ja) * 2006-01-11 2013-10-16 Ｔｄｋ株式会社 フェライト磁性材料
PL2586755T3 (pl) * 2008-12-18 2017-05-31 Tridelta Hartferrite Gmbh Magnetycznie twardy materiał z domieszkowanego lantanem i kobaltem heksagonalnego ferrytu strontowego
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US20040251997A1 (en) 2004-12-16
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KR100845201B1 (ko) 2008-07-10
FR2831317A1 (fr) 2003-04-25
CN100386288C (zh) 2008-05-07
WO2003033432A1 (fr) 2003-04-24
EP1438270A1 (fr) 2004-07-21
KR20050036879A (ko) 2005-04-20
JP2005505944A (ja) 2005-02-24
CN1571761A (zh) 2005-01-26

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