DE59705687D1 - VERFAHREN ZUR HERSTELLUNG EINES SE-Fe-B-DAUERMAGNETEN - Google Patents

VERFAHREN ZUR HERSTELLUNG EINES SE-Fe-B-DAUERMAGNETEN

Info

Publication number
DE59705687D1
DE59705687D1 DE59705687T DE59705687T DE59705687D1 DE 59705687 D1 DE59705687 D1 DE 59705687D1 DE 59705687 T DE59705687 T DE 59705687T DE 59705687 T DE59705687 T DE 59705687T DE 59705687 D1 DE59705687 D1 DE 59705687D1
Authority
DE
Germany
Prior art keywords
producing
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
DE59705687T
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 DE59705687D1 publication Critical patent/DE59705687D1/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
DE59705687T 1996-09-06 1997-08-19 VERFAHREN ZUR HERSTELLUNG EINES SE-Fe-B-DAUERMAGNETEN Expired - Lifetime DE59705687D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19636283A DE19636283A1 (de) 1996-09-06 1996-09-06 Verfahren zur Herstellung eines SE-FE-B-Dauermagneten
PCT/DE1997/001787 WO1998010438A1 (de) 1996-09-06 1997-08-19 VERFAHREN ZUR HERSTELLUNG EINES SE-Fe-B-DAUERMAGNETEN

Publications (1)

Publication Number Publication Date
DE59705687D1 true DE59705687D1 (de) 2002-01-17

Family

ID=7804873

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19636283A Withdrawn DE19636283A1 (de) 1996-09-06 1996-09-06 Verfahren zur Herstellung eines SE-FE-B-Dauermagneten
DE59705687T Expired - Lifetime DE59705687D1 (de) 1996-09-06 1997-08-19 VERFAHREN ZUR HERSTELLUNG EINES SE-Fe-B-DAUERMAGNETEN

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19636283A Withdrawn DE19636283A1 (de) 1996-09-06 1996-09-06 Verfahren zur Herstellung eines SE-FE-B-Dauermagneten

Country Status (5)

Country Link
EP (1) EP0923781B1 (de)
JP (1) JP3145417B2 (de)
KR (1) KR20000068481A (de)
DE (2) DE19636283A1 (de)
WO (1) WO1998010438A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2043114B1 (de) * 2006-11-30 2019-01-02 Hitachi Metals, Ltd. R-fe-b-mikrokristalliner magnet von hoher dichte und herstellungsverfahren dafür
JP6443757B2 (ja) * 2015-03-26 2018-12-26 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法

Family Cites Families (8)

* 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.
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
US5595608A (en) * 1993-11-02 1997-01-21 Tdk Corporation Preparation of permanent magnet

Also Published As

Publication number Publication date
KR20000068481A (ko) 2000-11-25
WO1998010438A1 (de) 1998-03-12
DE19636283A1 (de) 1998-03-12
JP2000503811A (ja) 2000-03-28
JP3145417B2 (ja) 2001-03-12
EP0923781A1 (de) 1999-06-23
EP0923781B1 (de) 2001-12-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition