EP1236808A3 - Composite material made from metal powder, starting material and process of preparation - Google Patents

Composite material made from metal powder, starting material and process of preparation Download PDF

Info

Publication number
EP1236808A3
EP1236808A3 EP01130567A EP01130567A EP1236808A3 EP 1236808 A3 EP1236808 A3 EP 1236808A3 EP 01130567 A EP01130567 A EP 01130567A EP 01130567 A EP01130567 A EP 01130567A EP 1236808 A3 EP1236808 A3 EP 1236808A3
Authority
EP
European Patent Office
Prior art keywords
metal powder
composite material
starting material
oxides
release agent
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.)
Granted
Application number
EP01130567A
Other languages
German (de)
French (fr)
Other versions
EP1236808A2 (en
EP1236808B1 (en
Inventor
Wilfried Dr. Aichele
Hans-Peter Dr. Koch
Andreas Harzer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to EP09100109A priority Critical patent/EP2053138A1/en
Publication of EP1236808A2 publication Critical patent/EP1236808A2/en
Publication of EP1236808A3 publication Critical patent/EP1236808A3/en
Application granted granted Critical
Publication of EP1236808B1 publication Critical patent/EP1236808B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16—Metallic particles coated with a non-metal
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Abstract

Um einen Metallpulver-Verbundwerkstoff mit hohem spezifischem elektrischem Widerstand mit guter mechanischer Festigkeit, sehr guter Temperatur- und Kraftstoffbeständigkeit und ein Ausgangsmaterial und ein Verfahren für die rationelle Herstellung eines solchen Verbundwerkstoffs anzugeben, wird ein Metallpulver-Verbundwerkstoff mit hohem spezifischem elektrischem Widerstand, welcher mindestens zwei die Metallpulverteilchen einhüllenden Oxide enthält, wobei die Oxide mindestens eine gemeinsame Phase bilden, und ein Metallpulver enthaltendes Ausgangsmaterial, welches mindestens zwei Trennmitttel mit oxidischem Pyrolyserückstand oder mindestens ein Trennmittel mit oxidischem Pyrolyserückstand und oxidisches Feinpulver beinhaltet, und ein Verfahren für die Herstellung eines solchen Verbundwerkstoffs bereitgestellt, bei dem von einem Ausgangsmaterial der genannten Art ausgegangen wird, bei dem das Ausgangsmaterial zu Formkörpern gepreßt wird, bei dem die Trennmittel durch Erhitzen in einer nicht reduzierenden Atmosphäre zu Oxiden pyrolysiert und die dann vorliegenden Oxide unter Bildung mindestens einer gemeinsamen Phase miteinander zur Reaktion gebracht werden.To a metal powder composite material with high specific electrical resistance with good mechanical strength, very good temperature and fuel resistance and a starting material and a method for the rational production of a specify such composite material, a metal powder composite material with high specific electrical resistance, which encloses at least two metal powder particles Contains oxides, wherein the oxides at least one common phase form, and a metal powder-containing starting material, which at least two release agent with oxidic pyrolysis residue or at least one release agent with oxidic pyrolysis residue and oxide fine powder, and a method provided for the production of such a composite material, in the case of a starting material of the type mentioned is assumed, in which the starting material to form bodies is pressed, wherein the release agent by heating in a non-reducing atmosphere pyrolyzed to oxides and then present oxides to form at least one common Phase be reacted with each other.

EP01130567A 2001-03-03 2001-12-21 Process of preparation of a composite material made from metal powder Expired - Lifetime EP1236808B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09100109A EP2053138A1 (en) 2001-03-03 2001-12-21 Composite material made from metal powder, starting material and process of preparation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10110341 2001-03-03
DE10110341A DE10110341A1 (en) 2001-03-03 2001-03-03 Metal powder composite and starting material and method for producing such

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP09100109A Division EP2053138A1 (en) 2001-03-03 2001-12-21 Composite material made from metal powder, starting material and process of preparation

Publications (3)

Publication Number Publication Date
EP1236808A2 EP1236808A2 (en) 2002-09-04
EP1236808A3 true EP1236808A3 (en) 2005-07-27
EP1236808B1 EP1236808B1 (en) 2009-08-19

Family

ID=7676239

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01130567A Expired - Lifetime EP1236808B1 (en) 2001-03-03 2001-12-21 Process of preparation of a composite material made from metal powder
EP09100109A Withdrawn EP2053138A1 (en) 2001-03-03 2001-12-21 Composite material made from metal powder, starting material and process of preparation

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09100109A Withdrawn EP2053138A1 (en) 2001-03-03 2001-12-21 Composite material made from metal powder, starting material and process of preparation

Country Status (3)

Country Link
US (1) US6756118B2 (en)
EP (2) EP1236808B1 (en)
DE (3) DE20122873U1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1739694B1 (en) * 2004-09-30 2016-12-21 Sumitomo Electric Industries, Ltd. Soft magnetic material, dust core and method for producing soft magnetic material
US7531151B1 (en) 2005-03-04 2009-05-12 Saint Marys Pressed Metal, Inc. Powdered metals extracted from acid mine drainage and their use in the manufacture of pressed metal articles
US8137805B2 (en) * 2007-06-21 2012-03-20 Caterpillar Inc. Manganese based coating for wear and corrosion resistance
US8137761B2 (en) * 2008-06-13 2012-03-20 Caterpillar Inc. Method of coating and induction heating a component
US8911663B2 (en) * 2009-03-05 2014-12-16 Quebec Metal Powders, Ltd. Insulated iron-base powder for soft magnetic applications
JP2010251696A (en) * 2009-03-25 2010-11-04 Tdk Corp Soft magnetic powder core and method of manufacturing the same
US20110147253A1 (en) * 2009-12-23 2011-06-23 Daniel Young-Doo Chung Kettle
ES2683751T3 (en) 2010-12-23 2018-09-27 Höganäs Ab (Publ) Inductor material
EP2509081A1 (en) 2011-04-07 2012-10-10 Höganäs AB New composition and method
DE102015105431A1 (en) * 2015-04-09 2016-10-13 Volkswagen Ag Process for producing a soft magnetic body
EP3199264A1 (en) 2016-02-01 2017-08-02 Höganäs Ab (publ) New composition and method
EP3542932A4 (en) 2016-11-16 2020-06-24 Shoei Chemical Inc. Method for producing metal powder
EP3576110A1 (en) 2018-05-30 2019-12-04 Höganäs AB (publ) Ferromagnetic powder composition
WO2023009839A1 (en) * 2021-07-29 2023-02-02 Horizon Technology Magnetic compositions and methods of making and using the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043921A1 (en) * 1980-07-15 1982-01-20 BASF Aktiengesellschaft Ferromagnetic metal particles essentially consisting of iron with surface coating, process for their manufacture as well as their use in making magnetic-recording media
US4788080A (en) * 1987-04-27 1988-11-29 Canadian Patents And Development Limited Process and apparatus for coating particles with fine powder
CA2287783A1 (en) * 1998-11-05 2000-05-05 Kabushiki Kaisha Kobe Seiko Sho Method for the compaction of powders for powder metallurgy

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2122977C3 (en) * 1971-05-10 1975-06-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Switching magnet made of silicon-containing iron powder, manufactured in a pressing and sintering process
EP0437635A4 (en) * 1989-08-09 1992-04-22 Mitsui Toatsu Chemicals, Incorporated Ferromagnetic metal particle and production thereof
US5330792A (en) 1992-11-13 1994-07-19 Hoeganaes Corporation Method of making lubricated metallurgical powder composition
JPH1046202A (en) * 1996-08-06 1998-02-17 Nitto Kasei Kogyo Kk Powder lubricant for powder metallurgy
JP3206496B2 (en) * 1997-06-02 2001-09-10 昭栄化学工業株式会社 Metal powder and method for producing the same
JP3137035B2 (en) * 1997-05-26 2001-02-19 昭栄化学工業株式会社 Nickel powder and method for producing the same
JP3475749B2 (en) * 1997-10-17 2003-12-08 昭栄化学工業株式会社 Nickel powder and method for producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043921A1 (en) * 1980-07-15 1982-01-20 BASF Aktiengesellschaft Ferromagnetic metal particles essentially consisting of iron with surface coating, process for their manufacture as well as their use in making magnetic-recording media
US4788080A (en) * 1987-04-27 1988-11-29 Canadian Patents And Development Limited Process and apparatus for coating particles with fine powder
CA2287783A1 (en) * 1998-11-05 2000-05-05 Kabushiki Kaisha Kobe Seiko Sho Method for the compaction of powders for powder metallurgy

Also Published As

Publication number Publication date
DE50115053D1 (en) 2009-10-01
US20020122942A1 (en) 2002-09-05
US6756118B2 (en) 2004-06-29
DE20122873U1 (en) 2008-10-30
EP2053138A1 (en) 2009-04-29
EP1236808A2 (en) 2002-09-04
DE10110341A1 (en) 2002-10-31
EP1236808B1 (en) 2009-08-19

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