SI2450922T1 - Postopek izdelave feritnega sintranega magneta in feritni sintrani magnet - Google Patents

Postopek izdelave feritnega sintranega magneta in feritni sintrani magnet

Info

Publication number
SI2450922T1
SI2450922T1 SI201031766T SI201031766T SI2450922T1 SI 2450922 T1 SI2450922 T1 SI 2450922T1 SI 201031766 T SI201031766 T SI 201031766T SI 201031766 T SI201031766 T SI 201031766T SI 2450922 T1 SI2450922 T1 SI 2450922T1
Authority
SI
Slovenia
Prior art keywords
sintered magnet
ferrite sintered
producing method
ferrite
magnet producing
Prior art date
Application number
SI201031766T
Other languages
English (en)
Inventor
Etsushi Oda
Yoshinori Kobayashi
Original Assignee
Hitachi Metals, Ltd.
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 Hitachi Metals, Ltd. filed Critical Hitachi Metals, Ltd.
Publication of SI2450922T1 publication Critical patent/SI2450922T1/sl

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    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0054—Mixed oxides or hydroxides containing one rare earth metal, yttrium or scandium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/40—Cobaltates
    • C01G51/66—Cobaltates containing alkaline earth metals, e.g. SrCoO3
    • C01G51/68—Cobaltates containing alkaline earth metals, e.g. SrCoO3 containing rare earth, e.g. La0.3Sr0.7CoO3
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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
    • 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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    • 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
    • C04B35/2641—Compositions containing one or more ferrites of the group comprising rare earth metals and one or more ferrites of the group comprising alkali metals, alkaline earth metals or lead
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    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/34—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 soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • H01F1/348—Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure
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    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing
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    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
SI201031766T 2009-06-30 2010-06-17 Postopek izdelave feritnega sintranega magneta in feritni sintrani magnet SI2450922T1 (sl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009156297 2009-06-30
EP10794001.7A EP2450922B1 (en) 2009-06-30 2010-06-17 Ferrite sintered magnet producing method and ferrite sintered magnet
PCT/JP2010/060280 WO2011001831A1 (ja) 2009-06-30 2010-06-17 フェライト焼結磁石の製造方法及びフェライト焼結磁石

Publications (1)

Publication Number Publication Date
SI2450922T1 true SI2450922T1 (sl) 2018-11-30

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SI201031766T SI2450922T1 (sl) 2009-06-30 2010-06-17 Postopek izdelave feritnega sintranega magneta in feritni sintrani magnet

Country Status (8)

Country Link
US (2) US9162928B2 (sl)
EP (1) EP2450922B1 (sl)
JP (1) JP5873333B2 (sl)
KR (1) KR101649242B1 (sl)
CN (1) CN102473514B (sl)
HU (1) HUE040207T2 (sl)
SI (1) SI2450922T1 (sl)
WO (1) WO2011001831A1 (sl)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2450922B1 (en) * 2009-06-30 2018-07-25 Hitachi Metals, Ltd. Ferrite sintered magnet producing method and ferrite sintered magnet
WO2011004791A1 (ja) * 2009-07-08 2011-01-13 Tdk株式会社 フェライト磁性材料
JP5929764B2 (ja) * 2010-12-28 2016-06-08 日立金属株式会社 フェライト焼結磁石及びその製造方法
JP2012209295A (ja) * 2011-03-29 2012-10-25 Hitachi Metals Ltd フェライト焼結磁石
EP2860166A4 (en) 2012-06-07 2016-01-20 Tdk Corp METHOD FOR PRODUCING SR-FERRITE PARTICLES FOR SINTERED MAGNET, METHOD OF USE OF THE SR-FERRITE PARTICLES, SR-FERRITE SINTER MAGNET AND METHOD FOR THE PRODUCTION THEREOF, AND MOTOR AND GENERATOR
EP2881956B1 (en) 2012-07-31 2017-07-05 Hitachi Metals, Ltd. Sintered ferrite magnet and its production method
JP6152854B2 (ja) * 2012-09-28 2017-06-28 日立金属株式会社 フェライト焼結磁石及びその製造方法
CN103848622A (zh) * 2012-11-30 2014-06-11 日立金属株式会社 铁氧体化合物
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