MX2018015263A - Material magnetico de ferrita e iman sinterizado de ferrita. - Google Patents

Material magnetico de ferrita e iman sinterizado de ferrita.

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Publication number
MX2018015263A
MX2018015263A MX2018015263A MX2018015263A MX2018015263A MX 2018015263 A MX2018015263 A MX 2018015263A MX 2018015263 A MX2018015263 A MX 2018015263A MX 2018015263 A MX2018015263 A MX 2018015263A MX 2018015263 A MX2018015263 A MX 2018015263A
Authority
MX
Mexico
Prior art keywords
ferrite
magnetic material
sintered magnet
ferrite magnetic
ferrite sintered
Prior art date
Application number
MX2018015263A
Other languages
English (en)
Inventor
Kim Minho
Lee Dongyoung
CHEONG Eunseon
Whan LEE Jung-
Original Assignee
Union 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
Application filed by Union Mat Corporation filed Critical Union Mat Corporation
Publication of MX2018015263A publication Critical patent/MX2018015263A/es

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    • 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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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C04B2235/767—Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

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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)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)

Abstract

La presente invención provee un material magnético de ferrita que es económico al reducir los contenidos de La y Co y es capaz de proveer un producto de energía máxima notablemente alto ((BH)máx) en comparación con los materiales magnéticos de ferrita convencionales al inducir una magnetización de alta saturación y un alto campo magnético anisotrópico.
MX2018015263A 2016-06-20 2017-06-07 Material magnetico de ferrita e iman sinterizado de ferrita. MX2018015263A (es)

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KR1020160076841A KR102588231B1 (ko) 2016-06-20 2016-06-20 페라이트 자성재료 및 페라이트 소결자석
PCT/KR2017/005878 WO2017222212A1 (ko) 2016-06-20 2017-06-07 페라이트 자성재료 및 페라이트 소결자석

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JP7338161B2 (ja) * 2019-02-05 2023-09-05 Tdk株式会社 フェライト焼結磁石
JP7338361B2 (ja) * 2019-09-25 2023-09-05 Tdk株式会社 フェライト焼結磁石
CN113698191A (zh) * 2020-05-22 2021-11-26 盐城市中天磁材有限公司 一种稀土置换锶铁氧体及其制备方法
WO2022038531A1 (en) * 2020-08-19 2022-02-24 Mahindra Cie Automotive Ltd. A permanent magnetic material and a method for its preparation
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JP2022151625A (ja) * 2021-03-24 2022-10-07 Tdk株式会社 フェライト焼結磁石、フェライト粒子、ボンド磁石、及び、回転電気機械
CN113860864A (zh) * 2021-10-11 2021-12-31 电子科技大学 高剩磁比高各向异性场SrM微波铁氧体材料及制备方法

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KR20070017466A (ko) * 2003-09-12 2007-02-12 가부시키가이샤 네오맥스 페라이트 소결 자석
BRPI0414278A (pt) * 2003-09-12 2006-11-07 Neomax Co Ltd ìmã de ferrita sinterizada
JP4506989B2 (ja) * 2004-03-04 2010-07-21 Ｔｄｋ株式会社 フェライト磁性材料、フェライト焼結磁石及びその製造方法
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BR112018076409B1 (pt) 2022-11-16
KR102588231B1 (ko) 2023-10-13
WO2017222212A1 (ko) 2017-12-28
US20190252100A1 (en) 2019-08-15
KR20170142776A (ko) 2017-12-28
EP3473606A4 (en) 2019-11-27
EP3473606B1 (en) 2023-02-22
EP3473606A1 (en) 2019-04-24
BR112018076409A2 (pt) 2019-04-09
PL3473606T3 (pl) 2023-05-15
HUE061591T2 (hu) 2023-07-28

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