DE69320084T2 - Verfahren zur Herstellung von R-Fe-B Permanentmagneten - Google Patents

Verfahren zur Herstellung von R-Fe-B Permanentmagneten

Info

Publication number
DE69320084T2
DE69320084T2 DE69320084T DE69320084T DE69320084T2 DE 69320084 T2 DE69320084 T2 DE 69320084T2 DE 69320084 T DE69320084 T DE 69320084T DE 69320084 T DE69320084 T DE 69320084T DE 69320084 T2 DE69320084 T2 DE 69320084T2
Authority
DE
Germany
Prior art keywords
compound
rich
principal phase
alloy powder
starting
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
DE69320084T
Other languages
English (en)
Other versions
DE69320084D1 (de
Inventor
Yuji Kaneko
Koki Tokuhara
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.)
Neomax Co 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
Priority claimed from JP4093779A external-priority patent/JP2898463B2/ja
Priority claimed from JP4116977A external-priority patent/JP2886384B2/ja
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Application granted granted Critical
Publication of DE69320084D1 publication Critical patent/DE69320084D1/de
Publication of DE69320084T2 publication Critical patent/DE69320084T2/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
    • H01F1/0575—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
    • H01F1/0571—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Powder Metallurgy (AREA)
DE69320084T 1992-03-19 1993-03-19 Verfahren zur Herstellung von R-Fe-B Permanentmagneten Expired - Lifetime DE69320084T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4093779A JP2898463B2 (ja) 1992-03-19 1992-03-19 Ｒ−Ｆｅ−Ｂ系永久磁石用原料粉末の製造方法
JP4116977A JP2886384B2 (ja) 1992-04-08 1992-04-08 Ｒ−Ｆｅ−Ｂ系永久磁石用原料粉末の製造方法

Publications (2)

Publication Number Publication Date
DE69320084D1 DE69320084D1 (de) 1998-09-10
DE69320084T2 true DE69320084T2 (de) 1999-03-18

Family

ID=26435072

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320084T Expired - Lifetime DE69320084T2 (de) 1992-03-19 1993-03-19 Verfahren zur Herstellung von R-Fe-B Permanentmagneten

Country Status (5)

Country Link
US (1) US5387291A (de)
EP (1) EP0561650B1 (de)
CN (1) CN1070634C (de)
AT (1) ATE169423T1 (de)
DE (1) DE69320084T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015107486A1 (de) * 2015-05-12 2016-11-17 Technische Universität Darmstadt Künstlicher Dauermagnet und Verfahren zur Herstellung des künstlichen Dauermagneten

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
CN1061163C (zh) * 1995-03-27 2001-01-24 北京科技大学 双相稀土-铁-硼磁粉及其制备方法
JP3242818B2 (ja) * 1995-07-21 2001-12-25 昭和電工株式会社 希土類磁石用合金及びその製造方法
EP0789367A1 (de) * 1996-02-09 1997-08-13 Crucible Materials Corporation Verfahren zur Herstellung selektiven Klassen von Seltenerdmagneten unter Verwendung einer Vielzahl von Partikelgruppen
US5906622A (en) * 1997-04-29 1999-05-25 Lippitt; Robert G. Positively expanded and retracted medical extractor
DE69815146T2 (de) * 1998-08-28 2004-02-26 Showa Denko K.K. Legierung zur verwendung bei der herstellung von gesinterten magneten auf r-t-b-basis und verfahren zur herstellung von gesinterten magneten auf r-t-b-basis
JP2001254103A (ja) * 2000-03-13 2001-09-18 Sanei Kasei Kk ナノコンポジット構造を有する金属粒子及び自己組織化によるその製造方法
CN1246864C (zh) * 2001-01-30 2006-03-22 株式会社新王磁材 永久磁体的制造方法
US6676668B2 (en) * 2001-12-12 2004-01-13 C.R. Baed Articulating stone basket
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
JP5915637B2 (ja) 2013-12-19 2016-05-11 トヨタ自動車株式会社 希土類磁石の製造方法
JP5924335B2 (ja) 2013-12-26 2016-05-25 トヨタ自動車株式会社 希土類磁石とその製造方法
JP6554766B2 (ja) * 2014-08-12 2019-08-07 Tdk株式会社 永久磁石
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
CN106876074B (zh) * 2015-12-14 2019-02-15 江苏南方永磁科技有限公司 含氮永磁体材料及制备方法
CN106876071B (zh) * 2015-12-14 2019-05-03 江苏南方永磁科技有限公司 复合废料回用稀土磁性材料及制备方法
CN109672287B (zh) * 2018-05-14 2019-12-31 滨州学院 一种永磁发电机
CN109412298B (zh) * 2018-05-14 2022-04-05 滨州学院 一种永磁电机

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6181603A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
JPH067525B2 (ja) * 1985-10-29 1994-01-26 並木精密宝石株式会社 樹脂結合永久磁石の製造方法
JPS62274045A (ja) * 1986-05-21 1987-11-28 Inoue Japax Res Inc 磁石製造方法
DE3783413T2 (de) * 1986-09-16 1993-05-27 Tokin Corp Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders.
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
EP0304054B1 (de) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren
JPS6448405A (en) * 1987-08-19 1989-02-22 Mitsubishi Metal Corp Manufacture of rare earth-iron-boron magnet
JP2660917B2 (ja) * 1987-12-03 1997-10-08 株式会社トーキン 希土類磁石の製造方法
JPH01146308A (ja) * 1987-12-03 1989-06-08 Tokin Corp 希土類磁石の製造方法
US4975213A (en) * 1988-01-19 1990-12-04 Kabushiki Kaisha Toshiba Resin-bonded rare earth-iron-boron magnet
JPH01291407A (ja) * 1988-05-19 1989-11-24 Tokin Corp 希土類永久磁石の製造方法
JP2569487Y2 (ja) * 1988-08-22 1998-04-22 日本ワイパブレード 株式会社 車輌用ワイパのコネクタ部材
JPH02288305A (ja) * 1989-04-28 1990-11-28 Nippon Steel Corp 希土類磁石及びその製造方法
JP2675430B2 (ja) * 1989-10-12 1997-11-12 川崎製鉄株式会社 耐蝕性希土類―遷移金属系磁石およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015107486A1 (de) * 2015-05-12 2016-11-17 Technische Universität Darmstadt Künstlicher Dauermagnet und Verfahren zur Herstellung des künstlichen Dauermagneten

Also Published As

Publication number Publication date
EP0561650A3 (en) 1993-12-01
US5387291A (en) 1995-02-07
CN1082963A (zh) 1994-03-02
EP0561650B1 (de) 1998-08-05
DE69320084D1 (de) 1998-09-10
EP0561650A2 (de) 1993-09-22
ATE169423T1 (de) 1998-08-15
CN1070634C (zh) 2001-09-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: FEDER WALTER EBERT PATENTANWAELTE, 40237 DUESSELDO