DE3581477D1 - Magnetische pulverpresslinge. - Google Patents

Magnetische pulverpresslinge.

Info

Publication number
DE3581477D1
DE3581477D1 DE8585306232T DE3581477T DE3581477D1 DE 3581477 D1 DE3581477 D1 DE 3581477D1 DE 8585306232 T DE8585306232 T DE 8585306232T DE 3581477 T DE3581477 T DE 3581477T DE 3581477 D1 DE3581477 D1 DE 3581477D1
Authority
DE
Germany
Prior art keywords
magnetic powder
powder pressure
pressure
magnetic
powder
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 - Lifetime
Application number
DE8585306232T
Other languages
English (en)
Inventor
Harriet Clare Pollock
Andrew Laurence Smith
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.)
QED Intellectual Property Ltd
Original Assignee
Thorn EMI Patents Ltd
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 Thorn EMI Patents Ltd filed Critical Thorn EMI Patents Ltd
Application granted granted Critical
Publication of DE3581477D1 publication Critical patent/DE3581477D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01F1/20—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
DE8585306232T 1984-10-12 1985-09-03 Magnetische pulverpresslinge. Expired - Lifetime DE3581477D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848425860A GB8425860D0 (en) 1984-10-12 1984-10-12 Magnetic powder compacts

Publications (1)

Publication Number Publication Date
DE3581477D1 true DE3581477D1 (de) 1991-02-28

Family

ID=10568112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585306232T Expired - Lifetime DE3581477D1 (de) 1984-10-12 1985-09-03 Magnetische pulverpresslinge.

Country Status (4)

Country Link
US (1) US4602957A (de)
EP (1) EP0179557B1 (de)
DE (1) DE3581477D1 (de)
GB (1) GB8425860D0 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808224A (en) * 1987-09-25 1989-02-28 Ceracon, Inc. Method of consolidating FeNdB magnets
US4980340A (en) * 1988-02-22 1990-12-25 Ceracon, Inc. Method of forming superconductor
US4933140A (en) * 1988-11-17 1990-06-12 Ceracon, Inc. Electrical heating of graphite grain employed in consolidation of objects
US4853178A (en) * 1988-11-17 1989-08-01 Ceracon, Inc. Electrical heating of graphite grain employed in consolidation of objects
US4915605A (en) * 1989-05-11 1990-04-10 Ceracon, Inc. Method of consolidation of powder aluminum and aluminum alloys
US4975414A (en) * 1989-11-13 1990-12-04 Ceracon, Inc. Rapid production of bulk shapes with improved physical and superconducting properties
US6911231B2 (en) * 1996-10-25 2005-06-28 New Qu Energy Limited Method for producing a heat transfer medium and device
SE9702744D0 (sv) * 1997-07-18 1997-07-18 Hoeganaes Ab Soft magnetic composites
US5982073A (en) * 1997-12-16 1999-11-09 Materials Innovation, Inc. Low core loss, well-bonded soft magnetic parts
CA2282636A1 (en) 1999-09-16 2001-03-16 Philippe Viarouge Power transformers and power inductors for low frequency applications using isotropic composite magnetic materials with high power to weight ratio
DE19945592A1 (de) * 1999-09-23 2001-04-12 Bosch Gmbh Robert Weichmagnetischer Werkstoff und Verfahren zu dessen Herstellung
SE0100236D0 (sv) 2001-01-26 2001-01-26 Hoeganaes Ab Compressed soft magnetic materials
SE0102103D0 (sv) 2001-06-13 2001-06-13 Hoeganaes Ab High density soft magnetic products and method for the preparation thereof
DE20116068U1 (de) * 2001-09-29 2003-02-13 Ebm Werke Gmbh & Co Kg Außenläufermotor
CA2418497A1 (en) 2003-02-05 2004-08-05 Patrick Lemieux High performance soft magnetic parts made by powder metallurgy for ac applications
US20050016658A1 (en) * 2003-07-24 2005-01-27 Thangavelu Asokan Composite coatings for ground wall insulation in motors, method of manufacture thereof and articles derived therefrom
US20050019558A1 (en) * 2003-07-24 2005-01-27 Amitabh Verma Coated ferromagnetic particles, method of manufacturing and composite magnetic articles derived therefrom
US7803457B2 (en) * 2003-12-29 2010-09-28 General Electric Company Composite coatings for groundwall insulation, method of manufacture thereof and articles derived therefrom
US8911663B2 (en) * 2009-03-05 2014-12-16 Quebec Metal Powders, Ltd. Insulated iron-base powder for soft magnetic applications
WO2024004507A1 (ja) * 2022-06-28 2024-01-04 パナソニックＩｐマネジメント株式会社 圧粉磁心及び圧粉磁心の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1403305A (en) * 1920-12-21 1922-01-10 Western Electric Co Magnet core and method of making the same
US1523109A (en) * 1920-12-21 1925-01-13 Western Electric Co Magnetic material
US2601212A (en) * 1948-11-09 1952-06-17 Gen Aniline & Film Corp Heat resistant magnetic cores and method of making
DE1106437B (de) * 1954-03-15 1961-05-10 Neosid Pemetzrieder G M B H Verfahren zur Herstellung magnetisierbarer Kerne aus einem ferromagnetischen Pulver und einem organischen, insbesondere haertbaren Binder
GB1397258A (en) * 1972-11-03 1975-06-11 British Steel Corp Method of providing an aluminium coating on a steel substrate
DE2628207A1 (de) * 1976-06-23 1978-01-05 Draloric Electronic Verfahren zur herstellung von aus magnetwerkstoff und einem bindemittel gepressten weichmagnetischen formkoerpern
US4261745A (en) * 1979-02-09 1981-04-14 Toyo Kohan Co., Ltd. Method for preparing a composite metal sintered article
DE3026696A1 (de) * 1980-07-15 1982-02-18 Basf Ag, 6700 Ludwigshafen Ferromagnetische, im wesentlichen aus eisen bestehende metallteilchen mit einem oberflaechenueberzug, verfahren zu deren herstellung sowie ihre verwendung zur herstellung von magnetischen aufzeichnungstraegern

Also Published As

Publication number Publication date
EP0179557B1 (de) 1991-01-23
US4602957A (en) 1986-07-29
EP0179557A3 (en) 1987-06-24
GB8425860D0 (en) 1984-11-21
EP0179557A2 (de) 1986-04-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee