DE60100154T2 - Seltenerd-Magnet und Herstellungsverfahren - Google Patents

Seltenerd-Magnet und Herstellungsverfahren

Info

Publication number
DE60100154T2
DE60100154T2 DE60100154T DE60100154T DE60100154T2 DE 60100154 T2 DE60100154 T2 DE 60100154T2 DE 60100154 T DE60100154 T DE 60100154T DE 60100154 T DE60100154 T DE 60100154T DE 60100154 T2 DE60100154 T2 DE 60100154T2
Authority
DE
Germany
Prior art keywords
manufacturing process
rare earth
earth magnet
magnet
rare
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
DE60100154T
Other languages
English (en)
Other versions
DE60100154D1 (de
Inventor
Katsumi Okayama
Naoyuki Ishigaki
Shuhei Okumura
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
Sumitomo Special Metals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26591564&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60100154(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Publication of DE60100154D1 publication Critical patent/DE60100154D1/de
Application granted granted Critical
Publication of DE60100154T2 publication Critical patent/DE60100154T2/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • 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
    • H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Composite Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE60100154T 2000-05-09 2001-05-03 Seltenerd-Magnet und Herstellungsverfahren Expired - Lifetime DE60100154T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000136277 2000-05-09
JP2000198508A JP3231034B1 (ja) 2000-05-09 2000-06-30 希土類磁石およびその製造方法

Publications (2)

Publication Number Publication Date
DE60100154D1 DE60100154D1 (de) 2003-05-08
DE60100154T2 true DE60100154T2 (de) 2003-11-06

Family

ID=26591564

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60100154T Expired - Lifetime DE60100154T2 (de) 2000-05-09 2001-05-03 Seltenerd-Magnet und Herstellungsverfahren

Country Status (6)

Country Link
US (3) US6491765B2 (de)
EP (2) EP1291884A3 (de)
JP (1) JP3231034B1 (de)
CN (1) CN1272809C (de)
DE (1) DE60100154T2 (de)
TW (1) TW503406B (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3172521B1 (ja) * 2000-06-29 2001-06-04 住友特殊金属株式会社 希土類磁石の製造方法および粉体プレス装置
US6676773B2 (en) * 2000-11-08 2004-01-13 Sumitomo Special Metals Co., Ltd. Rare earth magnet and method for producing the magnet
US7056393B2 (en) * 2001-05-30 2006-06-06 Neomax, Co., Ltd. Method of making sintered compact for rare earth magnet
CN100414650C (zh) 2001-06-22 2008-08-27 日立金属株式会社 稀土类磁体及其制造方法
JP4389427B2 (ja) * 2002-02-05 2009-12-24 日立金属株式会社 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
EP1749599B1 (de) * 2004-04-30 2015-09-09 Hitachi Metals, Ltd. Verfahren zur herstellung einer rohmateriallegierung für seltenerdmagenten, pulvermagneten und sintermagneten
JP4918771B2 (ja) * 2005-09-26 2012-04-18 住友電気工業株式会社 粒子分級装置およびその装置により分級された粒子を含有する接着剤
US20070089806A1 (en) 2005-10-21 2007-04-26 Rolf Blank Powders for rare earth magnets, rare earth magnets and methods for manufacturing the same
JP2008214661A (ja) * 2007-02-28 2008-09-18 Tdk Corp 希土類焼結磁石の製造方法
JP4840544B2 (ja) * 2009-07-31 2011-12-21 日立金属株式会社 希土類系磁石用原料合金の水素粉砕粉の回収方法及び回収装置
WO2012105399A1 (ja) 2011-01-31 2012-08-09 日立金属株式会社 Ｒ－ｔ－ｂ系焼結磁石の製造方法
WO2014040525A1 (zh) * 2012-09-12 2014-03-20 厦门钨业股份有限公司 稀土磁铁用合金粉末、稀土磁铁的制造方法及制粉装置
CN103215467B (zh) 2013-05-05 2015-07-08 沈阳中北真空磁电科技有限公司 一种高性能钕铁硼稀土永磁材料的制造方法
CN103212710B (zh) 2013-05-05 2015-01-21 沈阳中北真空磁电科技有限公司 一种钕铁硼稀土永磁材料的制造方法
CN103231059B (zh) 2013-05-05 2015-08-12 沈阳中北真空磁电科技有限公司 一种钕铁硼稀土永磁器件的制造方法
CN103219117B (zh) 2013-05-05 2016-04-06 沈阳中北真空磁电科技有限公司 一种双合金钕铁硼稀土永磁材料及制造方法
CN103192084B (zh) 2013-05-05 2015-11-25 沈阳中北真空磁电科技有限公司 一种旋转式真空热处理设备
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
CN103680918B (zh) * 2013-12-11 2016-08-17 烟台正海磁性材料股份有限公司 一种制备高矫顽力磁体的方法
CN106165026B (zh) * 2014-03-27 2019-02-15 日立金属株式会社 R－t－b系合金粉末及其制造方法、以及r－t－b系烧结磁铁及其制造方法
CN103878377B (zh) * 2014-03-31 2016-01-27 厦门钨业股份有限公司 稀土磁铁用合金粉末、以及稀土磁铁的制造方法
CN103990805B (zh) * 2014-05-11 2016-06-22 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制粉方法和设备
CN103996520B (zh) 2014-05-11 2016-10-05 沈阳中北通磁科技股份有限公司 一种钕铁硼稀土永磁体的烧结方法和设备
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
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
KR101882632B1 (ko) 2014-11-28 2018-07-26 가부시끼가이샤 도시바 영구 자석, 모터 및 발전기
FR3030866B1 (fr) 2014-12-18 2021-03-12 Commissariat Energie Atomique Aimant permanent fritte
CN104599803A (zh) * 2014-12-31 2015-05-06 中铝广西有色金源稀土股份有限公司 一种由高氢含量粉末制备的钕铁硼永磁体及其制备工艺
FR3044161B1 (fr) 2015-11-25 2019-05-03 Commissariat A L'energie Atomique Et Aux Energies Alternatives Aimant permanent fritte
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
CN105655077B (zh) * 2016-04-13 2017-10-17 烟台正海磁性材料股份有限公司 一种高矫顽力钕铁硼的制造方法
GB201614484D0 (en) * 2016-08-25 2016-10-12 Univ Of Birmingham The Processing of NdFeB magnetic material
CN110299238B (zh) * 2018-03-23 2022-07-26 日立金属株式会社 R-t-b系烧结磁体的制造方法
DE102018112406A1 (de) * 2018-05-24 2019-11-28 Netzsch Trockenmahltechnik Gmbh Verfahren und Anlage zur Herstellung eines Ausgangsmaterials für die Herstellung von Seltenerd-Magneten
US11004600B2 (en) 2018-06-19 2021-05-11 Ford Global Technologies, Llc Permanent magnet and method of making permanent magnet
CN108987089B (zh) * 2018-07-20 2021-02-09 陈亮 一种石墨烯渗入磁性体的生产工艺
CN111029075B (zh) * 2019-12-31 2020-12-29 烟台首钢磁性材料股份有限公司 一种钕铁硼磁粉的制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214984A (en) * 1977-07-15 1980-07-29 Macelvain Robert C Magnetic separation
US4721538A (en) * 1984-07-10 1988-01-26 Crucible Materials Corporation Permanent magnet alloy
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy
JPS62165305A (ja) * 1986-01-16 1987-07-21 Hitachi Metals Ltd 熱安定性良好な永久磁石およびその製造方法
JPH066728B2 (ja) 1986-07-24 1994-01-26 住友特殊金属株式会社 永久磁石材料用原料粉末の製造方法
EP0261579B1 (de) * 1986-09-16 1993-01-07 Tokin Corporation Verfahren zur Herstellung eines Seltenerd-Eisen-Bor-Dauermagneten mit Hilfe eines abgeschreckten Legierungspuders
JPS63116404A (ja) * 1986-11-05 1988-05-20 Tdk Corp 異方性磁石粉末とその製造法
US4942098A (en) * 1987-03-26 1990-07-17 Sumitomo Special Metals, Co., Ltd. Corrosion resistant permanent magnet
US4834811A (en) * 1987-06-19 1989-05-30 Ovonic Synthetic Materials Company Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products
US5116434A (en) * 1987-06-19 1992-05-26 Ovonic Synthetic Materials Company, Inc. Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products
US5015307A (en) * 1987-10-08 1991-05-14 Kawasaki Steel Corporation Corrosion resistant rare earth metal magnet
JPH023203A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 永久磁石およびその製造方法
US5580396A (en) * 1990-07-02 1996-12-03 Centre National De La Recherche Scientifique (Cnrs) Treatment of pulverant magnetic materials and products thus obtained
JPH04114409A (ja) * 1990-09-04 1992-04-15 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
US5242508A (en) * 1990-10-09 1993-09-07 Iowa State University Research Foundation, Inc. Method of making permanent magnets
US5788782A (en) 1993-10-14 1998-08-04 Sumitomo Special Metals Co., Ltd. R-FE-B permanent magnet materials and process of producing the same
US5595608A (en) * 1993-11-02 1997-01-21 Tdk Corporation Preparation of permanent magnet
JP3132393B2 (ja) * 1996-08-09 2001-02-05 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系ラジアル異方性焼結リング磁石の製造方法
JPH10233306A (ja) * 1996-12-20 1998-09-02 Hitachi Metals Ltd 希土類永久磁石およびその製造方法
JP2000223306A (ja) * 1998-11-25 2000-08-11 Hitachi Metals Ltd 角形比を向上したｒ―ｔ―ｂ系希土類焼結磁石およびその製造方法
JP3693838B2 (ja) * 1999-01-29 2005-09-14 信越化学工業株式会社 希土類磁石用合金薄帯、合金微粉末及びそれらの製造方法
JP3693839B2 (ja) * 1999-01-29 2005-09-14 信越化学工業株式会社 希土類磁石用合金薄帯、合金微粉末及びそれらの製造方法

Also Published As

Publication number Publication date
DE60100154D1 (de) 2003-05-08
TW503406B (en) 2002-09-21
US6537385B2 (en) 2003-03-25
CN1272809C (zh) 2006-08-30
CN1323045A (zh) 2001-11-21
EP1291884A3 (de) 2003-04-02
EP1154444B1 (de) 2003-04-02
US6491765B2 (en) 2002-12-10
US20020020469A1 (en) 2002-02-21
US20030000600A1 (en) 2003-01-02
JP2002033206A (ja) 2002-01-31
EP1154444A1 (de) 2001-11-14
US20030084964A1 (en) 2003-05-08
JP3231034B1 (ja) 2001-11-19
EP1291884A2 (de) 2003-03-12

Similar Documents

Publication Publication Date Title
DE60100154T2 (de) Seltenerd-Magnet und Herstellungsverfahren
DE60040570D1 (de) Seltenerde Dauermagnet und sein Herstellungsverfahren
DE60140783D1 (de) Seltenerd-Legierung, Seltenerd-Sintermagnet und Herstellungsverfahren
DE60201376D1 (de) Korrosionswiderstandsfähiger Seltenerdmetallmagnet und Herstellungsverfahren
DE60118982D1 (de) Seltenerdelement-permanentmagnetmaterial
DE60139615D1 (de) Verbundmembran und herstellungsverfahren
DE69622798T2 (de) Seltenerd Dauermagnet und dessen Herstellungsverfahren
FI20011265A0 (fi) Kestomagneettielementti ja sähkökone
EP1467385A4 (de) Gesinterter seltenerdelementmagnet und verfahren zur herstellung eines gesinterten seltenerdelementmagneten
DE60139930D1 (de) Desinfizieruns- und desodorierungsverfahren
EP1455368A4 (de) Korrosionsbeständiger seltenerdelementmagnet
DE60023103D1 (de) Lüfter und dessen Herstellungverfahren
DE60221448D1 (de) Seltenerdlegierungs sinterformteil
DE60129507D1 (de) Isotropes Pulvermagnetmaterial, Herstellungsverfahren und harzgebundener Magnet
AU2003279698A8 (en) Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same
DE60118104D1 (de) Feldemissionsvorrichtung und Herstellungsverfahren dafür
DE60128370D1 (de) Magnetisches resonanzverfahren
DE69819854D1 (de) Seltenerd-Eisen-Bor-Dauermagnet und Herstellungsverfahren
EP1424761A4 (de) Rotor des permanentmagnettyps und verfahren zu seiner herstellung
DE10195791T1 (de) Solenoid
DE60129506D1 (de) Herstellungsverfahren für Seltenerd-Dauermagneten
DE60233189D1 (de) Seltenerd Dauermagnet
DE60134189D1 (de) Halbleiteranordnung und Herstellungsverfahren
DE60139441D1 (de) Vergossene Spule und Herstellungsverfahren
DE69815479D1 (de) Seltenerd-Dauermagnetmaterial und Herstellungsverfahren

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

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