BR112013029810A2 - material magnético de ferrita do tipo magnetoplumbita e imã permanente do tipo segmento derivado do mesmo - Google Patents

material magnético de ferrita do tipo magnetoplumbita e imã permanente do tipo segmento derivado do mesmo

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Publication number
BR112013029810A2
BR112013029810A2 BR112013029810A BR112013029810A BR112013029810A2 BR 112013029810 A2 BR112013029810 A2 BR 112013029810A2 BR 112013029810 A BR112013029810 A BR 112013029810A BR 112013029810 A BR112013029810 A BR 112013029810A BR 112013029810 A2 BR112013029810 A2 BR 112013029810A2
Authority
BR
Brazil
Prior art keywords
segment
permanent magnet
magnetic material
type
ferrite magnetic
Prior art date
Application number
BR112013029810A
Other languages
English (en)
Other versions
BR112013029810B1 (pt
Inventor
Lee Dongyoung
Park Kilsoo
Kim Minho
Original Assignee
Ssangyong Mat Corporation
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
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Application filed by Ssangyong Mat Corporation filed Critical Ssangyong Mat Corporation
Publication of BR112013029810A2 publication Critical patent/BR112013029810A2/pt
Publication of BR112013029810B1 publication Critical patent/BR112013029810B1/pt

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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
    • H01F1/10—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
    • C01G51/00—Compounds of cobalt
    • C01G51/006—Compounds containing, besides cobalt, two or more other elements, with the exception of oxygen or hydrogen
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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
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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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/6261—Milling
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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
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    • C04B2235/767—Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
BR112013029810-3A 2011-05-31 2012-05-16 Material magnético de ferrita, método para produzir um ímã de ferrita sinterizada, ímã permanente do tipo segmento e produto comprrendendo o referido imã BR112013029810B1 (pt)

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CN106278231B (zh) * 2015-06-03 2019-02-19 自贡市江阳磁材有限责任公司 M型稀土永磁铁氧体及其生产工艺
KR102277414B1 (ko) 2015-10-16 2021-07-14 유니온머티리얼 주식회사 페라이트 자성재료 및 페라이트 소결자석
KR102588230B1 (ko) 2016-06-20 2023-10-13 유니온머티리얼 주식회사 페라이트 자성재료 및 페라이트 소결자석
KR102588231B1 (ko) * 2016-06-20 2023-10-13 유니온머티리얼 주식회사 페라이트 자성재료 및 페라이트 소결자석
KR102407046B1 (ko) 2016-06-20 2022-06-10 유니온머티리얼 주식회사 페라이트 자성재료 및 페라이트 소결자석
KR102258552B1 (ko) 2017-03-31 2021-06-01 유니온머티리얼 주식회사 페라이트 자성재료 및 페라이트 소결자석
JP7338361B2 (ja) * 2019-09-25 2023-09-05 Tdk株式会社 フェライト焼結磁石
WO2022038531A1 (en) * 2020-08-19 2022-02-24 Mahindra Cie Automotive Ltd. A permanent magnetic material and a method for its preparation
CN112159218A (zh) * 2020-09-23 2021-01-01 横店集团东磁股份有限公司 一种低成本高性能永磁铁氧体材料的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5378384A (en) 1991-09-19 1995-01-03 Minnesota Mining And Manufacturing Company Process of making hexagonal magnetic ferrite pigment for high density magnetic recording applications
US6139766A (en) * 1997-02-25 2000-10-31 Tdk Corporation Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor
KR100394608B1 (ko) * 1998-01-23 2003-08-14 히다찌긴조꾸가부시끼가이사 본드 자석, 마그네트 롤 및 그 것들에 사용되는 페라이트 분말 및 그 것들의 제조 방법
FR2824178B1 (fr) 2001-04-25 2003-05-30 Ugimag Sa Procede de fabrication d'aimants du type ferrite
FR2831317B1 (fr) 2001-10-19 2004-10-15 Ugimag Sa Aimants de type ferrite economiques et a proprietes ameliorees
KR100359547B1 (en) 2001-12-27 2002-10-31 Ssangyong Materials Corp Magnetoplumbite type ferrite magnet and fabricating method thereof
CN102945718B (zh) 2003-09-12 2016-03-30 日立金属株式会社 铁氧体烧结磁铁
JP4254897B2 (ja) 2005-12-28 2009-04-15 日立金属株式会社 酸化物磁性材料
US8303837B2 (en) * 2006-03-10 2012-11-06 Hitachi Metals, Ltd. Rotating machine, bonded magnet, magnet roll, and method for producing sintered ferrite magnet
KR101131795B1 (ko) 2007-03-01 2012-03-30 티디케이가부시기가이샤 페라이트 소결 자석
CN102471162B (zh) * 2009-07-08 2016-05-04 Tdk株式会社 铁氧体磁性材料

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KR101082389B1 (ko) 2011-11-11
EP2715747A4 (en) 2014-12-24
BR112013029810B1 (pt) 2021-12-14
WO2012165780A1 (en) 2012-12-06
PL2715747T3 (pl) 2019-01-31
MX2013014054A (es) 2014-02-27
US10141091B2 (en) 2018-11-27
CN103548101A (zh) 2014-01-29
CN103548101B (zh) 2016-12-07
EP2715747B1 (en) 2018-08-15
EP2715747A1 (en) 2014-04-09
MX361918B (es) 2018-12-19
HUE039686T2 (hu) 2019-01-28
US20130307653A1 (en) 2013-11-21

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