EP0936638A3 - Process for producing a ferromagnetic compact,ferromagnetic compact and its utilisation - Google Patents

Process for producing a ferromagnetic compact,ferromagnetic compact and its 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)
French (fr)
Other versions
EP0936638A2 (en
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of EP0936638A2 publication Critical patent/EP0936638A2/en
Publication of EP0936638A3 publication Critical patent/EP0936638A3/en
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

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.Process for the production of a ferromagnetic compact made of powdery metallic material for soft magnetic applications, in particular a magnetic core, and from a Pressing aid in which a predetermined during the pressing Temperature is set, using as a pressing aid a viscous at the given pressing temperature, when cooling hardening agent is used.

EP99102027A 1998-02-12 1999-02-01 Process for producing a ferromagnetic compact,ferromagnetic compact and its utilisation Ceased EP0936638A3 (en)

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

Family

ID=7857543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99102027A Ceased EP0936638A3 (en) 1998-02-12 1999-02-01 Process for producing a ferromagnetic compact,ferromagnetic compact and its utilisation

Country Status (1)

Country Link
EP (1) EP0936638A3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001073062A (en) * 1999-09-09 2001-03-21 Kubota Corp Production of amorphous soft magnetic alloy powder molded body
DE10024824A1 (en) 2000-05-19 2001-11-29 Vacuumschmelze Gmbh Inductive component and method for its production
CA2418497A1 (en) * 2003-02-05 2004-08-05 Patrick Lemieux High performance soft magnetic parts made by powder metallurgy for ac applications
DE102004051129A1 (en) * 2004-10-18 2006-04-20 Siemens Ag Throttle, in particular for operation in a frequency converter system, and frequency converter system
DE102006008283A1 (en) * 2006-02-22 2007-08-23 Vacuumschmelze Gmbh & Co. Kg Process for the preparation of powder composite cores from nanocrystalline magnetic material
DE102006028389A1 (en) 2006-06-19 2007-12-27 Vacuumschmelze Gmbh & Co. Kg Magnetic core, formed from a combination of a powder nanocrystalline or amorphous particle and a press additive and portion of other particle surfaces is smooth section or fracture surface without deformations
JP2009543370A (en) 2006-07-12 2009-12-03 ファキュウムシュメルゼ ゲーエムベーハー ウント コンパニー カーゲー Method for manufacturing magnetic core, magnetic core and inductive member with magnetic core
DE102007034925A1 (en) 2007-07-24 2009-01-29 Vacuumschmelze Gmbh & Co. Kg Method for producing magnetic cores, magnetic core and inductive component with a magnetic core
US9057115B2 (en) 2007-07-27 2015-06-16 Vacuumschmelze Gmbh & Co. Kg Soft magnetic iron-cobalt-based alloy and process for manufacturing it
EP3613872A1 (en) * 2018-08-21 2020-02-26 Siemens Aktiengesellschaft Method for producing a component for an electric or electronic component and component

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518528A1 (en) * 1981-12-23 1983-06-24 Europ Composants Electron Formation of magnetic castings - by cold forming followed by thermal treatment at 500 degrees Celsius in air
EP0302355A1 (en) * 1987-07-23 1989-02-08 Hitachi Metals, Ltd. Fe-base soft magnetic alloy powder and magnetic core thereof and method of producing same
EP0844623A1 (en) * 1996-11-26 1998-05-27 Kubota Corporation Pressed body of amorphous magnetically soft alloy powder and process for producing same

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
KR920004025B1 (en) * 1988-12-28 1992-05-22 마쯔시다덴기산교 가부시기가이샤 Ferrite magnets and making method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518528A1 (en) * 1981-12-23 1983-06-24 Europ Composants Electron Formation of magnetic castings - by cold forming followed by thermal treatment at 500 degrees Celsius in air
EP0302355A1 (en) * 1987-07-23 1989-02-08 Hitachi Metals, Ltd. Fe-base soft magnetic alloy powder and magnetic core thereof and method of producing same
EP0844623A1 (en) * 1996-11-26 1998-05-27 Kubota Corporation Pressed body of amorphous magnetically soft alloy powder and process for producing same

Also Published As

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

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