ATE106600T1 - Behandlung von magnetpulvermaterialien und so erhaltene gegenstände. - Google Patents

Behandlung von magnetpulvermaterialien und so erhaltene gegenstände.

Info

Publication number
ATE106600T1
ATE106600T1 AT91912597T AT91912597T ATE106600T1 AT E106600 T1 ATE106600 T1 AT E106600T1 AT 91912597 T AT91912597 T AT 91912597T AT 91912597 T AT91912597 T AT 91912597T AT E106600 T1 ATE106600 T1 AT E106600T1
Authority
AT
Austria
Prior art keywords
temperature
treatment
magnetic powder
powder materials
items obtained
Prior art date
Application number
AT91912597T
Other languages
German (de)
English (en)
Inventor
Daniel Fruchart
Salvatore Miraglia
Paul Mollar
De La Bathie Rene Perrier
Robert Fruchart
Original Assignee
Centre Nat Rech Scient
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 Nat Rech Scient filed Critical Centre Nat Rech Scient
Application granted granted Critical
Publication of ATE106600T1 publication Critical patent/ATE106600T1/de

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)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
AT91912597T 1990-07-02 1991-06-28 Behandlung von magnetpulvermaterialien und so erhaltene gegenstände. ATE106600T1 (de)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
ATE106600T1 true ATE106600T1 (de) 1994-06-15

Family

ID=9398426

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91912597T ATE106600T1 (de) 1990-07-02 1991-06-28 Behandlung von magnetpulvermaterialien und so erhaltene gegenstände.

Country Status (6)

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

Families Citing this family (7)

* 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
JP2023533386A (ja) * 2020-07-01 2023-08-02 イエダ リサーチ アンド ディベロプメント カンパニー リミテッド 強磁性合金からの希土類金属の回収

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
EP0304054B1 (en) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Rare earth-iron-boron magnet powder and process of producing same
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
DE69102277T2 (de) 1994-09-15
FR2664086A1 (fr) 1992-01-03
DE69102277D1 (de) 1994-07-07
EP0538320A1 (fr) 1993-04-28
EP0538320B1 (fr) 1994-06-01
FR2664086B1 (enExample) 1994-08-19
WO1992000595A1 (fr) 1992-01-09
JPH06501135A (ja) 1994-01-27

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time