FR3000835B1 - Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique - Google Patents

Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique

Info

Publication number
FR3000835B1
FR3000835B1 FR1350200A FR1350200A FR3000835B1 FR 3000835 B1 FR3000835 B1 FR 3000835B1 FR 1350200 A FR1350200 A FR 1350200A FR 1350200 A FR1350200 A FR 1350200A FR 3000835 B1 FR3000835 B1 FR 3000835B1
Authority
FR
France
Prior art keywords
supercritical
permanent magnets
producing permanent
supercritical fluid
fluid
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 - Fee Related
Application number
FR1350200A
Other languages
English (en)
Other versions
FR3000835A1 (fr
Inventor
Hubert Tallon
Pascal Revirand
Florence Servant
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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 Commissariat a lEnergie Atomique CEA, Commissariat a lEnergie Atomique et aux Energies Alternatives CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR1350200A priority Critical patent/FR3000835B1/fr
Priority to PCT/FR2013/053033 priority patent/WO2014108609A1/fr
Publication of FR3000835A1 publication Critical patent/FR3000835A1/fr
Application granted granted Critical
Publication of FR3000835B1 publication Critical patent/FR3000835B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • 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
    • H01F1/08—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 pressed, sintered, or bound together
    • H01F1/083—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 pressed, sintered, or bound together in a bonding agent
    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
FR1350200A 2013-01-10 2013-01-10 Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique Expired - Fee Related FR3000835B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1350200A FR3000835B1 (fr) 2013-01-10 2013-01-10 Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique
PCT/FR2013/053033 WO2014108609A1 (fr) 2013-01-10 2013-12-11 Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1350200A FR3000835B1 (fr) 2013-01-10 2013-01-10 Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique

Publications (2)

Publication Number Publication Date
FR3000835A1 FR3000835A1 (fr) 2014-07-11
FR3000835B1 true FR3000835B1 (fr) 2015-02-20

Family

ID=48224957

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1350200A Expired - Fee Related FR3000835B1 (fr) 2013-01-10 2013-01-10 Procede de fabrication d'aimants permanents par utilisation d'un fluide supercritique tel que le co2 supercritique

Country Status (2)

Country Link
FR (1) FR3000835B1 (fr)
WO (1) WO2014108609A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN150524B (fr) * 1978-02-09 1982-11-06 Aimants Ugimag Sa
US6872325B2 (en) * 2002-09-09 2005-03-29 General Electric Company Polymeric resin bonded magnets
JP2008283142A (ja) 2007-05-14 2008-11-20 Seiko Instruments Inc 希土類ボンド磁石の製造方法
JP4685893B2 (ja) * 2008-03-31 2011-05-18 Ｔｄｋ株式会社 焼結磁石の製造方法
JP5382206B2 (ja) * 2010-03-31 2014-01-08 Ｔｄｋ株式会社 焼結磁石及び焼結磁石の製造方法
FR2970194B1 (fr) * 2011-01-06 2012-12-28 Commissariat Energie Atomique Melange maitre pour le moulage par injection de poudre ceramique ou metallique et methode pour sa preparation

Also Published As

Publication number Publication date
FR3000835A1 (fr) 2014-07-11
WO2014108609A1 (fr) 2014-07-17

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Effective date: 20180928