ATE327561T1 - Gesinterte seltenerd-magnet und herstellungsverfahren - Google Patents

Gesinterte seltenerd-magnet und herstellungsverfahren

Info

Publication number
ATE327561T1
ATE327561T1 AT01123787T AT01123787T ATE327561T1 AT E327561 T1 ATE327561 T1 AT E327561T1 AT 01123787 T AT01123787 T AT 01123787T AT 01123787 T AT01123787 T AT 01123787T AT E327561 T1 ATE327561 T1 AT E327561T1
Authority
AT
Austria
Prior art keywords
group
element selected
rare
phase
production method
Prior art date
Application number
AT01123787T
Other languages
English (en)
Inventor
Yuji Kaneko
Katsuya Taniguchi
Takao Sekino
Original Assignee
Neomax Co 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 Neomax Co Ltd filed Critical Neomax Co Ltd
Application granted granted Critical
Publication of ATE327561T1 publication Critical patent/ATE327561T1/de

Links

Classifications

    • 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
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • 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
    • H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
    • 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
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
AT01123787T 2000-10-04 2001-10-04 Gesinterte seltenerd-magnet und herstellungsverfahren ATE327561T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000305121 2000-10-04
JP2000312540 2000-10-12

Publications (1)

Publication Number Publication Date
ATE327561T1 true ATE327561T1 (de) 2006-06-15

Family

ID=26601546

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01123787T ATE327561T1 (de) 2000-10-04 2001-10-04 Gesinterte seltenerd-magnet und herstellungsverfahren

Country Status (6)

Country Link
US (1) US7048808B2 (de)
EP (1) EP1195779B1 (de)
KR (1) KR100771676B1 (de)
CN (1) CN1217347C (de)
AT (1) ATE327561T1 (de)
DE (1) DE60119864T2 (de)

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WO2003107362A1 (ja) * 2002-06-13 2003-12-24 住友特殊金属株式会社 希土類焼結磁石およびその製造方法
US20060207689A1 (en) * 2003-10-31 2006-09-21 Makoto Iwasaki Method for producing sintered rare earth element magnet
CN1655294B (zh) * 2004-02-10 2010-04-28 Tdk株式会社 稀土类烧结磁体与稀土类烧结磁体的制造方法
TWI302712B (en) * 2004-12-16 2008-11-01 Japan Science & Tech Agency Nd-fe-b base magnet including modified grain boundaries and method for manufacturing the same
CN101740190B (zh) * 2008-11-26 2013-01-16 绵阳西磁磁电有限公司 一种高性价比高耐腐蚀性烧结钕铁硼磁体及制备方法
US8268264B2 (en) * 2009-02-09 2012-09-18 Caprotec Bioanalytics Gmbh Devices, systems and methods for separating magnetic particles
EP2401961B1 (de) 2009-02-27 2020-11-18 Hitachi Metals, Ltd. Magnetfeldgenerator
JP5057111B2 (ja) 2009-07-01 2012-10-24 信越化学工業株式会社 希土類磁石の製造方法
JP5870522B2 (ja) * 2010-07-14 2016-03-01 トヨタ自動車株式会社 永久磁石の製造方法
MY174972A (en) 2011-05-02 2020-05-29 Shinetsu Chemical Co Rare earth permanent magnets and their preparation
WO2013035628A1 (ja) * 2011-09-09 2013-03-14 戸田工業株式会社 Ｒ－ｔ－ｂ系希土類磁石粉末、ｒ－ｔ－ｂ系希土類磁石粉末の製造方法、及びボンド磁石
CN102956337B (zh) * 2012-11-09 2016-05-25 厦门钨业股份有限公司 一种烧结Nd-Fe-B系磁铁的省却工序的制作方法
CN102982936B (zh) * 2012-11-09 2015-09-23 厦门钨业股份有限公司 烧结Nd-Fe-B系磁铁的省却工序的制作方法
DE102012221448A1 (de) * 2012-11-23 2014-06-12 Hochschule Aalen Magnetisches Material und Verfahren zu dessen Herstellung
US9953751B2 (en) 2013-03-22 2018-04-24 Tdk Corporation R-T-B based permanent magnet
CN104272404B (zh) * 2013-03-22 2019-03-26 Tdk株式会社 R-t-b系永久磁铁
CN104272403B (zh) * 2013-03-22 2019-03-22 Tdk株式会社 R-t-b系永久磁铁
JP5464289B1 (ja) * 2013-04-22 2014-04-09 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系焼結磁石
JP6361089B2 (ja) * 2013-04-22 2018-07-25 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
JP2014216340A (ja) * 2013-04-22 2014-11-17 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
JP6330254B2 (ja) * 2013-04-22 2018-05-30 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
BR112015031725A2 (pt) 2013-06-17 2017-07-25 Urban Mining Tech Company Llc método para fabricação de um imã permanente de nd-fe-b reciclado
JP6248689B2 (ja) * 2014-02-20 2017-12-20 日立金属株式会社 強磁性合金およびその製造方法
JP5686213B1 (ja) 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
JP5686214B1 (ja) * 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
JP5686212B1 (ja) 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
CN103990806B (zh) * 2014-05-11 2016-05-25 沈阳中北通磁科技股份有限公司 一种钕铁硼稀土永磁合金的氢破碎方法和设备
JP6221978B2 (ja) * 2014-07-25 2017-11-01 トヨタ自動車株式会社 希土類磁石の製造方法
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
CN107077935A (zh) * 2014-12-08 2017-08-18 Lg电子株式会社 包含非磁性合金的热压变形的磁体及其制造方法
JP2017098537A (ja) * 2015-11-13 2017-06-01 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
EP3511956B1 (de) 2016-09-09 2024-05-29 Kabushiki Kaisha Toshiba Permanentmagnet, elektrische drehmaschine und fahrzeug
WO2018101409A1 (ja) * 2016-11-30 2018-06-07 Tdk株式会社 希土類焼結磁石
DE102018107429A1 (de) 2017-03-31 2018-10-04 Tdk Corporation R-t-b basierter permanentmagnet
CN106992053B (zh) * 2017-03-31 2020-07-14 中国科学院宁波材料技术与工程研究所 一种含y的稀土永磁合金速凝片
DE102018107491A1 (de) 2017-03-31 2018-10-04 Tdk Corporation R-t-b basierter permanentmagnet
KR102592453B1 (ko) 2019-09-10 2023-10-20 미쓰비시덴키 가부시키가이샤 희토류 자석 합금, 그의 제조 방법, 희토류 자석, 회전자 및 회전기
JP7214043B2 (ja) 2020-04-08 2023-01-27 三菱電機株式会社 希土類焼結磁石および希土類焼結磁石の製造方法、回転子並びに回転機
JP7548062B2 (ja) * 2021-03-01 2024-09-10 トヨタ自動車株式会社 水素吸蔵合金粉末の表面処理方法
CN113936879B (zh) * 2021-09-13 2024-08-06 浙江英洛华磁业有限公司 一种含La的R-T-B稀土永磁体

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CN1051865C (zh) 1986-08-04 2000-04-26 住友特殊金属株式会社 具有优异耐蚀性的稀土永磁体的生产方法
JP2663626B2 (ja) * 1989-05-12 1997-10-15 三菱マテリアル株式会社 耐食性および磁気特性に優れた希土類―Ｂ―Ｆｅ系焼結磁石
US5447578A (en) * 1989-10-12 1995-09-05 Kawasaki Steel Corporation Corrosion-resistant rare earth metal-transition metal series magnets and method of producing the same
JPH04155902A (ja) 1990-10-19 1992-05-28 Tdk Corp 永久磁石およびその製造方法
JP3932143B2 (ja) * 1992-02-21 2007-06-20 Ｔｄｋ株式会社 磁石の製造方法
US5403408A (en) * 1992-10-19 1995-04-04 Inland Steel Company Non-uniaxial permanent magnet material
JPH0711306A (ja) 1993-06-17 1995-01-13 Kawasaki Steel Corp 希土類−遷移金属系磁石用合金粉末の製造方法
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JP3489741B2 (ja) * 2000-10-04 2004-01-26 住友特殊金属株式会社 希土類焼結磁石およびその製造方法

Also Published As

Publication number Publication date
EP1195779A2 (de) 2002-04-10
US7048808B2 (en) 2006-05-23
DE60119864D1 (de) 2006-06-29
CN1347123A (zh) 2002-05-01
KR20020033507A (ko) 2002-05-07
US20020062884A1 (en) 2002-05-30
DE60119864T2 (de) 2006-09-28
EP1195779B1 (de) 2006-05-24
KR100771676B1 (ko) 2007-10-31
CN1217347C (zh) 2005-08-31
EP1195779A3 (de) 2003-10-15

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties