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EP0936638A3 - Procédé de fabrication d un compact ferromagnétique,compact ferromagnétique et son utilisation - Google Patents

Procédé de fabrication d un compact ferromagnétique,compact ferromagnétique et son utilisation Download PDF

Info

Publication number
EP0936638A3
EP0936638A3 EP99102027A EP99102027A EP0936638A3 EP 0936638 A3 EP0936638 A3 EP 0936638A3 EP 99102027 A EP99102027 A EP 99102027A EP 99102027 A EP99102027 A EP 99102027A EP 0936638 A3 EP0936638 A3 EP 0936638A3
Authority
EP
European Patent Office
Prior art keywords
ferromagnetic
compact
utilisation
producing
pressing
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.)
Ceased
Application number
EP99102027A
Other languages
German (de)
English (en)
Other versions
EP0936638A2 (fr
Inventor
Dieter Nützel
Gotthard Dr. Rieger
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0936638A2 publication Critical patent/EP0936638A2/fr
Publication of EP0936638A3 publication Critical patent/EP0936638A3/fr
Ceased 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15358—Making agglomerates therefrom, e.g. by pressing
    • H01F1/15366—Making agglomerates therefrom, e.g. by pressing using a binder
    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/20—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from powder
    • 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
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP99102027A 1998-02-12 1999-02-01 Procédé de fabrication d un compact ferromagnétique,compact ferromagnétique et son utilisation Ceased EP0936638A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19805812 1998-02-12
DE19805812 1998-02-12

Publications (2)

Publication Number Publication Date
EP0936638A2 EP0936638A2 (fr) 1999-08-18
EP0936638A3 true EP0936638A3 (fr) 1999-12-29

Family

ID=7857543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99102027A Ceased EP0936638A3 (fr) 1998-02-12 1999-02-01 Procédé de fabrication d un compact ferromagnétique,compact ferromagnétique et son utilisation

Country Status (1)

Country Link
EP (1) EP0936638A3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001073062A (ja) * 1999-09-09 2001-03-21 Kubota Corp 非晶質軟磁性合金粉末成形体の製造方法
DE10024824A1 (de) 2000-05-19 2001-11-29 Vacuumschmelze Gmbh Induktives Bauelement und Verfahren zu seiner Herstellung
CA2418497A1 (fr) * 2003-02-05 2004-08-05 Patrick Lemieux Pieces magnetiques a aimantation temporaire a haute performance fabriquees a l'aide de la technologie de la metallurgie des poudres pour applications c.a.
DE102004051129A1 (de) * 2004-10-18 2006-04-20 Siemens Ag Drossel, insbesondere zum Betrieb in einem Frequenzumrichtersystem, sowie Frequenzumrichtersystem
DE102006008283A1 (de) * 2006-02-22 2007-08-23 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Pulververbundkernen aus nanokristallinem Magnetmaterial
DE102006028389A1 (de) 2006-06-19 2007-12-27 Vacuumschmelze Gmbh & Co. Kg Magnetkern und Verfahren zu seiner Herstellung
GB2454822B (en) 2006-07-12 2010-12-29 Vacuumschmelze Gmbh & Co Kg Method for the production of magnet cores, magnet core and inductive component with a magnet core
DE102007034925A1 (de) 2007-07-24 2009-01-29 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Magnetkernen, Magnetkern und induktives Bauelement mit einem Magnetkern
US9057115B2 (en) 2007-07-27 2015-06-16 Vacuumschmelze Gmbh & Co. Kg Soft magnetic iron-cobalt-based alloy and process for manufacturing it
EP3613872A1 (fr) * 2018-08-21 2020-02-26 Siemens Aktiengesellschaft Procédé de fabrication d'une pièce structurelle pour un composant électrique ou électronique ainsi que pièce structurelle
CN115394511A (zh) * 2022-08-31 2022-11-25 深圳市铂科新材料股份有限公司 一种金属软磁粉芯及其制备方法和应用

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518528A1 (fr) * 1981-12-23 1983-06-24 Europ Composants Electron Composition pour la realisation d'une piece magnetique et procede de realisation d'une piece magnetique utilisant cette composition
EP0302355A1 (fr) * 1987-07-23 1989-02-08 Hitachi Metals, Ltd. Poudre magnétique douce en alliage à base de fer, noyau magnétique et méthode de fabrication
EP0844623A1 (fr) * 1996-11-26 1998-05-27 Kubota Corporation Corps en poudre amorphe magnétiquement doux comprimé et procédé de fabrication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053283A (en) * 1988-12-23 1991-10-01 Spectrol Electronics Corporation Thick film ink composition
DE68921971T2 (de) * 1988-12-28 1995-08-03 Matsushita Electric Ind Co Ltd Komposit-Ferrit-Material.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518528A1 (fr) * 1981-12-23 1983-06-24 Europ Composants Electron Composition pour la realisation d'une piece magnetique et procede de realisation d'une piece magnetique utilisant cette composition
EP0302355A1 (fr) * 1987-07-23 1989-02-08 Hitachi Metals, Ltd. Poudre magnétique douce en alliage à base de fer, noyau magnétique et méthode de fabrication
EP0844623A1 (fr) * 1996-11-26 1998-05-27 Kubota Corporation Corps en poudre amorphe magnétiquement doux comprimé et procédé de fabrication

Also Published As

Publication number Publication date
EP0936638A2 (fr) 1999-08-18

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