PL3473606T3 - Spiekany magnes ferrytowy - Google Patents

Spiekany magnes ferrytowy

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Publication number
PL3473606T3
PL3473606T3 PL17815625.3T PL17815625T PL3473606T3 PL 3473606 T3 PL3473606 T3 PL 3473606T3 PL 17815625 T PL17815625 T PL 17815625T PL 3473606 T3 PL3473606 T3 PL 3473606T3
Authority
PL
Poland
Prior art keywords
sintered magnet
ferrite sintered
ferrite
magnet
sintered
Prior art date
Application number
PL17815625.3T
Other languages
English (en)
Inventor
Minho Kim
Dongyoung Lee
Jung-Whan Lee
Eunseon CHEONG
Original Assignee
Union Materials 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 Materials Corporation filed Critical Union Materials Corporation
Publication of PL3473606T3 publication Critical patent/PL3473606T3/pl

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    • 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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    • C01G51/68—Complex oxides containing cobalt and at least one other metal element containing alkaline earth metals, e.g. SrCoO3 containing rare earths, e.g. (La0.3Sr0.7)CoO3
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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)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
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PCT/KR2017/005878 WO2017222212A1 (ko) 2016-06-20 2017-06-07 페라이트 자성재료 및 페라이트 소결자석

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JP7247467B2 (ja) * 2017-03-23 2023-03-29 株式会社プロテリアル 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
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
KR102664658B1 (ko) * 2020-10-16 2024-05-08 주식회사 오트로닉 페라이트 소결 자석의 제조 방법
JP7716352B2 (ja) * 2021-03-24 2025-07-31 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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JP2897871B2 (ja) * 1995-08-11 1999-05-31 ティーディーケイ株式会社 磁石粉末、焼結磁石、ボンディッド磁石および磁気記録媒体
KR20070017466A (ko) * 2003-09-12 2007-02-12 가부시키가이샤 네오맥스 페라이트 소결 자석
JP4367649B2 (ja) * 2003-09-12 2009-11-18 日立金属株式会社 フェライト焼結磁石
CN100484900C (zh) * 2004-03-04 2009-05-06 Tdk株式会社 铁氧体磁性材料、铁氧体烧结磁体及其制造方法
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JP4215261B2 (ja) * 2004-10-29 2009-01-28 Ｔｄｋ株式会社 フェライト磁性材料及びその製造方法
JP4788668B2 (ja) 2007-06-15 2011-10-05 Ｔｄｋ株式会社 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
KR20120041744A (ko) * 2009-07-08 2012-05-02 티디케이가부시기가이샤 페라이트 자성 재료
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WO2014021426A1 (ja) * 2012-08-01 2014-02-06 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モータ
KR20150048256A (ko) * 2013-10-23 2015-05-07 삼성전자주식회사 자성 분말, 그 제조 방법, 및 이를 포함하는 자석
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BR112018076409B1 (pt) 2022-11-16
US20190252100A1 (en) 2019-08-15
WO2017222212A1 (ko) 2017-12-28
CN109311762A (zh) 2019-02-05
MX2018015263A (es) 2019-04-11
EP3473606A4 (en) 2019-11-27
HUE061591T2 (hu) 2023-07-28
EP3473606B1 (en) 2023-02-22
EP3473606A1 (en) 2019-04-24
BR112018076409A2 (pt) 2019-04-09
KR102588231B1 (ko) 2023-10-13

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