DE59708681D1 - SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG - Google Patents

SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG

Info

Publication number
DE59708681D1
DE59708681D1 DE59708681T DE59708681T DE59708681D1 DE 59708681 D1 DE59708681 D1 DE 59708681D1 DE 59708681 T DE59708681 T DE 59708681T DE 59708681 T DE59708681 T DE 59708681T DE 59708681 D1 DE59708681 D1 DE 59708681D1
Authority
DE
Germany
Prior art keywords
production
permanent magnet
permanent
magnet
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
DE59708681T
Other languages
English (en)
Inventor
Peter Schrey
Mircea Velicescu
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.)
Vacuumschmelze GmbH and Co KG
Original Assignee
Vacuumschmelze GmbH and Co KG
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 Vacuumschmelze GmbH and Co KG filed Critical Vacuumschmelze GmbH and Co KG
Application granted granted Critical
Publication of DE59708681D1 publication Critical patent/DE59708681D1/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
    • 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)
DE59708681T 1996-09-06 1997-08-19 SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG Expired - Lifetime DE59708681D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19636284A DE19636284C2 (de) 1996-09-06 1996-09-06 SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung
PCT/DE1997/001784 WO1998010436A1 (de) 1996-09-06 1997-08-19 SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG

Publications (1)

Publication Number Publication Date
DE59708681D1 true DE59708681D1 (de) 2002-12-12

Family

ID=7804874

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19636284A Expired - Fee Related DE19636284C2 (de) 1996-09-06 1996-09-06 SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung
DE59708681T Expired - Lifetime DE59708681D1 (de) 1996-09-06 1997-08-19 SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19636284A Expired - Fee Related DE19636284C2 (de) 1996-09-06 1996-09-06 SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung

Country Status (6)

Country Link
US (1) US6254659B1 (de)
EP (1) EP0923780B1 (de)
JP (1) JP3145415B2 (de)
KR (1) KR20000068482A (de)
DE (2) DE19636284C2 (de)
WO (1) WO1998010436A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6464934B2 (en) * 1996-09-06 2002-10-15 Vacuumschmelze Gmbh Method for manufacturing a rare earth element—iron—boron permanent magnet
DE10025458B4 (de) * 2000-05-23 2005-05-12 Vacuumschmelze Gmbh Magnet und Verfahren zu dessen Herstellung
CN101958171B (zh) * 2010-04-14 2012-02-15 无锡南理工科技发展有限公司 一种耐腐蚀烧结钕铁硼磁体的制备方法
CN104576022B (zh) * 2014-12-03 2017-06-27 中国科学院宁波材料技术与工程研究所 稀土永磁体的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0124655B1 (de) * 1983-05-06 1989-09-20 Sumitomo Special Metals Co., Ltd. Isotrope permanente Magnete und Verfahren zu ihrer Herstellung
US5230751A (en) * 1986-07-23 1993-07-27 Hitachi Metals, Ltd. Permanent magnet with good thermal stability
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
US5405455A (en) * 1991-06-04 1995-04-11 Shin-Etsu Chemical Co. Ltd. Rare earth-based permanent magnet
DE69202515T2 (de) 1991-06-04 1995-09-21 Shinetsu Chemical Co Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden.
JP2853838B2 (ja) * 1991-06-04 1999-02-03 信越化学工業株式会社 希土類永久磁石の製造方法
DE4135403C2 (de) * 1991-10-26 1994-06-16 Vacuumschmelze Gmbh SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung
EP0583041B1 (de) * 1992-08-13 1997-02-05 Koninklijke Philips Electronics N.V. Verfahren zum Herstellen eines Dauermagneten auf Basis von NdFeB
CN1044940C (zh) * 1992-08-13 1999-09-01 Ybm麦格奈克斯公司 基于钕铁硼的生产永久磁铁的方法
US5595608A (en) * 1993-11-02 1997-01-21 Tdk Corporation Preparation of permanent magnet

Also Published As

Publication number Publication date
JP3145415B2 (ja) 2001-03-12
KR20000068482A (ko) 2000-11-25
EP0923780B1 (de) 2002-11-06
US6254659B1 (en) 2001-07-03
DE19636284A1 (de) 1998-03-12
EP0923780A1 (de) 1999-06-23
DE19636284C2 (de) 1998-07-16
JP2000503809A (ja) 2000-03-28
WO1998010436A1 (de) 1998-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition