EP0936638A3 - Verfahren zur Herstellung eines ferromagnetischen Presskörpers sowie ferromagnetischer Presskörper und Verwendung dieses Presskörpers - Google Patents

Verfahren zur Herstellung eines ferromagnetischen Presskörpers sowie ferromagnetischer Presskörper und Verwendung dieses Presskörpers 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
English (en)
French (fr)
Other versions
EP0936638A2 (de
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/de
Publication of EP0936638A3 publication Critical patent/EP0936638A3/de
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)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

Verfahren zur Herstellung eines ferromagnetischen Preßkörpers aus pulverigem metallischen Material für weichmagnetische Anwendungen, insbesondere eines Magnetkerns, und aus einem Preßhilfsmittel, bei dem während des Pressens eine vorbestimmte Temperatur eingestellt wird, wobei als Preßhilfsmittel ein bei der gegebenen Preßtemperatur viskoses, bei Abkühlung erhärtendes Mittel verwendet wird.
EP99102027A 1998-02-12 1999-02-01 Verfahren zur Herstellung eines ferromagnetischen Presskörpers sowie ferromagnetischer Presskörper und Verwendung dieses Presskörpers Ceased EP0936638A3 (de)

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 (de) 1999-08-18
EP0936638A3 true EP0936638A3 (de) 1999-12-29

Family

ID=7857543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99102027A Ceased EP0936638A3 (de) 1998-02-12 1999-02-01 Verfahren zur Herstellung eines ferromagnetischen Presskörpers sowie ferromagnetischer Presskörper und Verwendung dieses Presskörpers

Country Status (1)

Country Link
EP (1) EP0936638A3 (de)

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 (en) * 2003-02-05 2004-08-05 Patrick Lemieux High performance soft magnetic parts made by powder metallurgy for ac applications
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
KR101060091B1 (ko) 2006-07-12 2011-08-29 바쿰슈멜체 게엠베하 운트 코. 카게 자심의 제조방법과, 자심 및 자심을 지닌 유도소자
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 (de) * 2018-08-21 2020-02-26 Siemens Aktiengesellschaft Verfahren zum herstellen eines bauteils für eine elektrische oder elektronische komponente sowie bauteil
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 (de) * 1987-07-23 1989-02-08 Hitachi Metals, Ltd. Weichmagnetisches Pulver aus einer auf Eisen basierenden Legierung, Magnetkern daraus und Herstellungsverfahren
EP0844623A1 (de) * 1996-11-26 1998-05-27 Kubota Corporation Gepresster Formkörper aus amorphes Weichmagnetpuder und Herstellungsverfahren

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
EP0376319B1 (de) * 1988-12-28 1995-03-29 Matsushita Electric Industrial 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 (de) * 1987-07-23 1989-02-08 Hitachi Metals, Ltd. Weichmagnetisches Pulver aus einer auf Eisen basierenden Legierung, Magnetkern daraus und Herstellungsverfahren
EP0844623A1 (de) * 1996-11-26 1998-05-27 Kubota Corporation Gepresster Formkörper aus amorphes Weichmagnetpuder und Herstellungsverfahren

Also Published As

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

Similar Documents

Publication Publication Date Title
DE69939526D1 (de) Zusammensetzungen, die entweder ein ox-40-rezeptor-bindemittel oder eine für ein solches bindemittel kodierende nukleicsäuresequenz enthalten, und verfahren zur verbesserung der antigenspezifischen immunantwort
DE69628188D1 (de) Monoolefin-polyen-copolymere, verfahren zu ihrer herstellung, zusammensetzungen die diese enthalten und daraus hergestellte formteile
ATE435494T1 (de) Verwendung eines materials für die magnetische abkühlung und ein verfahren zu dessen herstellung
DE60109682D1 (de) Photohärtbare Harzzusammensetzungen,photohärtbare Folien die diese enthalten, Verfahren zur deren Herstellung und Verfahren zur Herstellung von Formteilen die diese Folien enthalten
DE69320980D1 (de) Verfahren zur herstellung von phytosphingosin-enthaltenden ceramiden und kosmetische zusammensetzungen, die diese enthalten
DE60127977D1 (de) Verfahren zur herstellung von zähen, wärmehärtenden gegenständen und die wärmehärtenden gegenstände so hergestellt
DE10294862T1 (de) Kompressionsspritzgussvorrichtung, Kompressionsspritzgussverfahren, Kompressionsspritzgegossene Erzeugnisse, die durch selbiges Verfahren herstellbar sind, und thermoplastische Harzerzeugnisse
EP1036839A3 (de) Kompakte, teilchenförmige Wasch- und Reinigungsmittel enthaltend quervernetztes Polyvinylpyrrolidon und dessen Verwendung
DE69908032D1 (de) Oxidverbindung aus Spineltyp und Verfahren zur Herstellung derselben
DE69902600D1 (de) Styrolharzzusammensetzung und Verfahren zu ihrer Herstellung, sowie Verfahren zur Herstellung von Formkörpern aus Styrolharz
DE69717259D1 (de) Dienkautschuk, verfahren zur herstellung des kautschuks und kautschukzusammensetzung die diesen enthält
DE69829063D1 (de) Polymer, verfahren zu dessen herstellung und härtbare zusammensetzung, die dieses polymer enthält
DE60136397D1 (de) Konjugiertes Dienkautschukgel, Kautschukzusammensetzungen die dieses enthalten und Verfahren zur Herstellung von konjugiertem Dienkautschuk
ATE195219T1 (de) Ein verfahren zur herstellung geformter waffeln, ein zwischenprodukt und eine waffel hergestellt durch dieses verfahren, und zugehörige form
DE60226439D1 (de) Plattenkassette, bildungsglied für die plattenkassette und verfahren zur herstellung einer inneren schale
DE69519862D1 (de) Mühle, verfahren für die herstellung von knochentransplantationsmaterial und verwendung einer mühle für solch eine herstellung
ATE307160T1 (de) Kautschukpulver, die hohe mengen an füllstoffen enthalten, verfahren zu ihrer herstellung und verwendung
DE60142240D1 (de) Aminoalkykbenzoyl-benzofurane oder benzothiophene, verfahren zu ihrer herstellung und die enthaltende zusammensetzungen
EP1068859A4 (de) Haarbehandlung und verfahren zur haarbehandlung
DE69020000D1 (de) Magnetkopf und Verfahren zu seiner Herstellung.
DE69412495D1 (de) Verfahren und material für die herstellung eines bilds durch wärme
DE60116613D1 (de) Schlagzähmodifizierer, verfahren zu dessen herstellung und thermoplastische harzzusammensetzung die diesen enthält
DE69630459D1 (de) Granuliertes formpulver aus polytetrafluoroethylen und verfahren zum herstellung desselben
DE60122763D1 (de) Wasserlösliches harz, verfahren zu seiner herstellung und wasserlösliche harzzusammensetzung
ATE177479T1 (de) Titanfreier, nickelenthaltender, martensitanohärtbarer stahl für stempelblöcke und ein verfahren zu dessen herstellung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RIC1 Information provided on ipc code assigned before grant

Free format text: 6H 01F 41/02 A, 6H 01F 1/28 B, 6H 01F 1/153 B, 6H 01F 3/08 B, 6H 01F 1/24 B

17P Request for examination filed

Effective date: 20000620

AKX Designation fees paid

Free format text: DE FR GB

17Q First examination report despatched

Effective date: 20030207

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20030626