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)

Families Citing this family (40)

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KR100771676B1 (ko) * 2000-10-04 2007-10-31 가부시키가이샤 네오맥스 희토류 소결자석 및 그 제조방법
AU2003241971A1 (en) * 2002-06-13 2003-12-31 Neomax Co., Ltd Rare earth sintered magnet and method for production thereof
US20060207689A1 (en) * 2003-10-31 2006-09-21 Makoto Iwasaki Method for producing sintered rare earth element magnet
US7208056B2 (en) * 2004-02-10 2007-04-24 Tdk Corporation Rare earth sintered magnet, and method for improving mechanical strength and corrosion resistance thereof
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
EP2394175B1 (de) * 2009-02-09 2016-02-03 caprotec bioanalytics GmbH Vorrichtungen, systeme und verfahren zur trennung magnetischer partikel
JP5668681B2 (ja) 2009-02-27 2015-02-12 日立金属株式会社 磁界発生装置
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
JP5987833B2 (ja) * 2011-09-09 2016-09-07 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
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
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
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
DE112014001590T5 (de) * 2013-03-22 2016-01-21 Tdk Corporation R-T-B basierter Dauermagnet
WO2014148076A1 (ja) * 2013-03-22 2014-09-25 Tdk株式会社 Ｒ－ｔ－ｂ系永久磁石
JP5464289B1 (ja) * 2013-04-22 2014-04-09 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
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
US9044834B2 (en) 2013-06-17 2015-06-02 Urban Mining Technology Company Magnet recycling to create Nd—Fe—B magnets with improved or restored magnetic performance
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
JP5686214B1 (ja) 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
JP5686213B1 (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
JP2018505540A (ja) * 2014-12-08 2018-02-22 エルジー エレクトロニクス インコーポレイティド 非磁性合金を含む熱間加圧変形磁石及びその製造方法
JP2017098537A (ja) * 2015-11-13 2017-06-01 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
CN108064407B (zh) 2016-09-09 2020-03-20 株式会社东芝 永久磁铁、旋转电机、以及车辆
CN110024056B (zh) * 2016-11-30 2020-12-15 Tdk株式会社 稀土类烧结磁铁
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
DE102018107429A1 (de) 2017-03-31 2018-10-04 Tdk Corporation R-t-b basierter permanentmagnet
US20230079836A1 (en) * 2020-04-08 2023-03-16 Mitsubishi Electric Corporation Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine
JP2022132935A (ja) * 2021-03-01 2022-09-13 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および装置
CN113936879A (zh) * 2021-09-13 2022-01-14 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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JPS636808A (ja) * 1986-06-26 1988-01-12 Shin Etsu Chem Co Ltd 希土類永久磁石
CA1336866C (en) 1986-08-04 1995-09-05 Setsuo Fujimura Rare earth magnet having excellent corrosion resistance
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
DE69434323T2 (de) * 1993-11-02 2006-03-09 Tdk Corp. Preparation d'un aimant permanent
US5480471A (en) * 1994-04-29 1996-01-02 Crucible Materials Corporation Re-Fe-B magnets and manufacturing method for the same
JPH08107034A (ja) 1994-09-14 1996-04-23 Sumitomo Special Metals Co Ltd Ｒ−Ｆｅ−Ｂ系焼結永久磁石の製造方法
CN1139082C (zh) * 1996-04-10 2004-02-18 昭和电工株式会社 用于生产稀土磁体的铸造合金和生产铸造合金与磁体的方法
JPH11195216A (ja) * 1997-12-27 1999-07-21 Ishizuka Glass Co Ltd 磁気ディスク用ガラス組成物及び磁気記録媒体用ガラスディスク基板
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
KR100771676B1 (ko) * 2000-10-04 2007-10-31 가부시키가이샤 네오맥스 희토류 소결자석 및 그 제조방법

Also Published As

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

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