DE69102277T2 - Behandlung von magnetpulvermaterialien und so erhaltene gegenstände. - Google Patents

Behandlung von magnetpulvermaterialien und so erhaltene gegenstände.

Info

Publication number
DE69102277T2
DE69102277T2 DE69102277T DE69102277T DE69102277T2 DE 69102277 T2 DE69102277 T2 DE 69102277T2 DE 69102277 T DE69102277 T DE 69102277T DE 69102277 T DE69102277 T DE 69102277T DE 69102277 T2 DE69102277 T2 DE 69102277T2
Authority
DE
Germany
Prior art keywords
magnetic properties
temperature
magnetic
precursor
treatment
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
DE69102277T
Other languages
German (de)
English (en)
Other versions
DE69102277D1 (de
Inventor
Daniel Fruchart
Robert Fruchart
Salvatore Miraglia
Paul Mollar
De La Bathie Rene Perrier
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.)
Centre National de la Recherche Scientifique
Original Assignee
Centre National de la Recherche Scientifique
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 Centre National de la Recherche Scientifique filed Critical Centre National de la Recherche Scientifique
Application granted granted Critical
Publication of DE69102277D1 publication Critical patent/DE69102277D1/de
Publication of DE69102277T2 publication Critical patent/DE69102277T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/023—Hydrogen absorption
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/065—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 in the form of particles, e.g. powder obtained by a reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DE69102277T 1990-07-02 1991-06-28 Behandlung von magnetpulvermaterialien und so erhaltene gegenstände. Expired - Lifetime DE69102277T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9008582A FR2664086A1 (fr) 1990-07-02 1990-07-02 Procede perfectionne pour l'optimisation des proprietes magnetiques de materiaux magnetiques pulverulents et produits ainsi obtenus.
PCT/FR1991/000517 WO1992000595A1 (fr) 1990-07-02 1991-06-28 Traitement de materiaux magnetiques pulverulents et produits ainsi obtenus

Publications (2)

Publication Number Publication Date
DE69102277D1 DE69102277D1 (de) 1994-07-07
DE69102277T2 true DE69102277T2 (de) 1994-09-15

Family

ID=9398426

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102277T Expired - Lifetime DE69102277T2 (de) 1990-07-02 1991-06-28 Behandlung von magnetpulvermaterialien und so erhaltene gegenstände.

Country Status (6)

Country Link
EP (1) EP0538320B1 (show.php)
JP (1) JPH06501135A (show.php)
AT (1) ATE106600T1 (show.php)
DE (1) DE69102277T2 (show.php)
FR (1) FR2664086A1 (show.php)
WO (1) WO1992000595A1 (show.php)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL101943A0 (en) * 1991-05-24 1992-12-30 Genentech Inc Structure,production and use of heregulin
US5834229A (en) 1991-05-24 1998-11-10 Genentech, Inc. Nucleic acids vectors and host cells encoding and expressing heregulin 2-α
FR2997095B1 (fr) 2012-10-24 2014-11-28 Commissariat Energie Atomique Procede pour isoler les terres rares et/ou element(s) metallique(s) annexe(s) contenus dans la phase magnetique d'aimants permanents.
FR3030866B1 (fr) 2014-12-18 2021-03-12 Commissariat Energie Atomique Aimant permanent fritte
FR3044161B1 (fr) 2015-11-25 2019-05-03 Commissariat A L'energie Atomique Et Aux Energies Alternatives Aimant permanent fritte
CN109604615B (zh) * 2018-12-17 2021-01-15 江苏晨朗电子集团有限公司 低成本制备烧结钕铁硼永磁体的方法
IL273457A (en) 2020-03-19 2021-09-30 Yeda Res & Dev A method for extracting valuable metals from lithium-ion batteries
PH12022553600A1 (en) * 2020-07-01 2024-05-06 Yeda Res & Dev Recovery of rare earth metals from ferromagnetic alloys
US12692612B2 (en) 2020-07-01 2026-07-28 Yeda Research And Development Co. Ltd. Recovery of rare earth metals from ferromagnetic alloys

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60119701A (ja) * 1983-12-01 1985-06-27 Sumitomo Special Metals Co Ltd 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法
FR2566758B1 (fr) * 1984-06-29 1990-01-12 Centre Nat Rech Scient Nouveaux hydrures de terre rare/fer/bore et terre rare/cobalt/bore magnetiques, leur procede de fabrication et de fabrication des produits deshydrures pulverulents correspondants, leurs applications
JPS6390104A (ja) * 1986-10-03 1988-04-21 Tdk Corp 希土類−鉄−ホウ素系永久磁石の製造方法
JPS6447841A (en) * 1987-08-12 1989-02-22 Tdk Corp Production of rare earth alloy magnet
JPS6445103A (en) * 1987-08-13 1989-02-17 Tdk Corp Manufacture of rare earth alloy magnet
JPS6448406A (en) * 1987-08-19 1989-02-22 Mitsubishi Metal Corp Magnet powder for sintering rare earth-iron-boron and manufacture thereof
CN1012477B (zh) * 1987-08-19 1991-05-01 三菱金属株式会社 稀土-铁-硼磁体粉末及其制备方法
US4760966A (en) * 1987-08-28 1988-08-02 The United States Of America As Represented By The Secretary Of The Army Method of comminuting rare earth magnet alloys into fine particles

Also Published As

Publication number Publication date
EP0538320A1 (fr) 1993-04-28
EP0538320B1 (fr) 1994-06-01
JPH06501135A (ja) 1994-01-27
ATE106600T1 (de) 1994-06-15
DE69102277D1 (de) 1994-07-07
FR2664086B1 (show.php) 1994-08-19
WO1992000595A1 (fr) 1992-01-09
FR2664086A1 (fr) 1992-01-03

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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: WITTE, WELLER & PARTNER, 70178 STUTTGART