DE60108024D1 - Herstellungsverfahren von einem Seltenerd-Magnet - Google Patents

Herstellungsverfahren von einem Seltenerd-Magnet

Info

Publication number
DE60108024D1
DE60108024D1 DE60108024T DE60108024T DE60108024D1 DE 60108024 D1 DE60108024 D1 DE 60108024D1 DE 60108024 T DE60108024 T DE 60108024T DE 60108024 T DE60108024 T DE 60108024T DE 60108024 D1 DE60108024 D1 DE 60108024D1
Authority
DE
Germany
Prior art keywords
rare earth
compact
earth magnet
sintering
production method
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60108024T
Other languages
English (en)
Other versions
DE60108024T2 (de
Inventor
Futoshi Kuniyoshi
Hitoshi Morimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
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 DE60108024D1 publication Critical patent/DE60108024D1/de
Publication of DE60108024T2 publication Critical patent/DE60108024T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
    • 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
    • H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DE60108024T 2000-09-19 2001-09-18 Herstellungsverfahren von einem Seltenerd-Magnet Expired - Lifetime DE60108024T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000283680 2000-09-19
JP2000283680 2000-09-19

Publications (2)

Publication Number Publication Date
DE60108024D1 true DE60108024D1 (de) 2005-02-03
DE60108024T2 DE60108024T2 (de) 2005-06-02

Family

ID=18768011

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60108024T Expired - Lifetime DE60108024T2 (de) 2000-09-19 2001-09-18 Herstellungsverfahren von einem Seltenerd-Magnet
DE60135683T Expired - Lifetime DE60135683D1 (de) 2000-09-19 2001-09-18 Herstellungsverfahren eines Seltenerd-Magnets

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60135683T Expired - Lifetime DE60135683D1 (de) 2000-09-19 2001-09-18 Herstellungsverfahren eines Seltenerd-Magnets

Country Status (8)

Country Link
US (2) US20020057982A1 (de)
EP (2) EP1486989B1 (de)
JP (1) JP3294841B2 (de)
KR (1) KR100829986B1 (de)
CN (1) CN100351957C (de)
AT (1) ATE286299T1 (de)
DE (2) DE60108024T2 (de)
TW (1) TW550601B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1377691B1 (de) * 2001-03-30 2005-09-07 Neomax Co., Ltd. Verfahren zur herstellung von seltenerdlegierungs sinterformteilen
US7199690B2 (en) 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
US7462403B2 (en) * 2003-06-27 2008-12-09 Tdk Corporation R-T-B system permanent magnet
JP4179973B2 (ja) * 2003-11-18 2008-11-12 Ｔｄｋ株式会社 焼結磁石の製造方法
JP4415681B2 (ja) * 2004-01-21 2010-02-17 Ｔｄｋ株式会社 希土類焼結磁石及びその製造方法
US7208056B2 (en) * 2004-02-10 2007-04-24 Tdk Corporation Rare earth sintered magnet, and method for improving mechanical strength and corrosion resistance thereof
JP4391897B2 (ja) 2004-07-01 2009-12-24 インターメタリックス株式会社 磁気異方性希土類焼結磁石の製造方法及び製造装置
JP4702522B2 (ja) * 2005-02-23 2011-06-15 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系焼結磁石及びその製造方法
CN1989581A (zh) * 2005-03-14 2007-06-27 株式会社新王磁材 稀土类磁体的制造方法和含浸装置
JP4636240B2 (ja) * 2005-03-28 2011-02-23 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系焼結磁石製造用原料粉体
JP2008274420A (ja) * 2007-03-30 2008-11-13 Hitachi Metals Ltd Ｒ−Ｆｅ−Ｂ系希土類磁石の製造方法
JP4872887B2 (ja) * 2007-11-15 2012-02-08 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系永久磁石用多孔質材料およびその製造方法
CN101582316B (zh) * 2008-05-12 2012-03-21 宁波永久磁业有限公司 高耐蚀性烧结钕铁硼永磁材料的生产工艺
JP2009302256A (ja) * 2008-06-12 2009-12-24 Tdk Corp 希土類磁石の製造方法
JP4819103B2 (ja) * 2008-07-28 2011-11-24 インターメタリックス株式会社 磁気異方性希土類焼結磁石の製造方法及び製造装置
JP4819104B2 (ja) * 2008-08-04 2011-11-24 インターメタリックス株式会社 磁気異方性希土類焼結磁石の製造方法及び製造装置
JP4966269B2 (ja) * 2008-08-04 2012-07-04 インターメタリックス株式会社 ＮｄＦｅＢ系焼結磁石の製造方法
JP4692783B2 (ja) * 2008-08-08 2011-06-01 Ｔｄｋ株式会社 希土類焼結磁石の製造方法
WO2010089138A1 (en) * 2009-02-09 2010-08-12 Caprotec Bioanalytics Gmbh Devices, systems and methods for separating magnetic particles
JP2010226036A (ja) * 2009-03-25 2010-10-07 Tdk Corp Ｒ−Ｆｅ−Ｂ系希土類焼結磁石の製造方法
CN101615462B (zh) * 2009-05-26 2011-08-17 安徽大地熊新材料股份有限公司 含有微量氮RE-Fe-B系永磁材料的制备方法
CN102214508B (zh) * 2010-04-02 2014-03-12 烟台首钢磁性材料股份有限公司 R-t-b-m-a系稀土类永磁体以及其制造方法
JP5163839B2 (ja) * 2011-01-31 2013-03-13 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
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
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
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
CN103377820B (zh) * 2013-07-17 2015-11-25 烟台首钢磁性材料股份有限公司 一种r-t-b-m系烧结磁体及其制造方法
JP5983598B2 (ja) * 2013-12-27 2016-08-31 トヨタ自動車株式会社 希土類磁石の製造方法
CN104143403A (zh) * 2014-07-31 2014-11-12 宁波科田磁业有限公司 提高烧结钕铁硼磁性能的一种制造方法
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
JP6522462B2 (ja) 2014-08-30 2019-05-29 太陽誘電株式会社 コイル部品
JP6511779B2 (ja) * 2014-11-12 2019-05-15 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
US11557411B2 (en) 2016-01-28 2023-01-17 Noveon Magnetics Inc. Grain boundary engineering of sintered magnetic alloys and the compositions derived therefrom
CN105551790B (zh) * 2016-02-18 2018-08-24 廊坊京磁精密材料有限公司 一种钕铁硼磁体的烧结方法
CN107275029B (zh) * 2016-04-08 2018-11-20 沈阳中北通磁科技股份有限公司 一种用钕铁硼废料生产的高性能钕铁硼永磁铁及制造方法
KR101866023B1 (ko) * 2016-05-23 2018-06-08 현대자동차주식회사 자기특성이 우수한 희토류 영구자석 제조방법
CN106222744B (zh) * 2016-08-26 2018-12-07 深圳市威斯康新材料科技有限公司 一种稀土金属单晶体及其制备方法
CN106601459B (zh) * 2016-12-09 2018-07-24 京磁材料科技股份有限公司 降低钕铁硼磁体碳含量的烧结方法
JP7183626B2 (ja) * 2018-08-23 2022-12-06 大同特殊鋼株式会社 ＲＦｅＢ系焼結磁石及びその製造方法
CN110767401A (zh) * 2019-11-06 2020-02-07 烟台首钢磁性材料股份有限公司 提高烧结钕铁硼磁体性能的方法
CN114171314B (zh) * 2022-02-10 2022-04-26 京磁材料科技股份有限公司 高性能烧结钕铁硼永磁体的制备方法

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CN1266303C (zh) * 2000-04-21 2006-07-26 株式会社新王磁材 粉体压制装置及使用该装置的稀土磁铁的制造方法

Also Published As

Publication number Publication date
US20020057982A1 (en) 2002-05-16
EP1486989B1 (de) 2008-09-03
KR20020033505A (ko) 2002-05-07
DE60108024T2 (de) 2005-06-02
TW550601B (en) 2003-09-01
CN1360317A (zh) 2002-07-24
DE60135683D1 (de) 2008-10-16
EP1189244A3 (de) 2003-09-10
EP1189244A2 (de) 2002-03-20
CN100351957C (zh) 2007-11-28
US20040231751A1 (en) 2004-11-25
EP1189244B1 (de) 2004-12-29
ATE286299T1 (de) 2005-01-15
EP1486989A1 (de) 2004-12-15
KR100829986B1 (ko) 2008-05-16
JP2002170728A (ja) 2002-06-14
JP3294841B2 (ja) 2002-06-24
US7141126B2 (en) 2006-11-28

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Owner name: HITACHI METALS, LTD., TOKIO/TOKYO, JP