BR0108237A - Pó de ferro e método para a preparação deste - Google Patents

Pó de ferro e método para a preparação deste

Info

Publication number
BR0108237A
BR0108237A BR0108237-0A BR0108237A BR0108237A BR 0108237 A BR0108237 A BR 0108237A BR 0108237 A BR0108237 A BR 0108237A BR 0108237 A BR0108237 A BR 0108237A
Authority
BR
Brazil
Prior art keywords
powder
weak magnetic
preparing
iron powder
concerns
Prior art date
Application number
BR0108237-0A
Other languages
English (en)
Other versions
BR0108237B1 (pt
Inventor
Cecilia Elgelid
Anne Gronlund
Lars-Ake Larsson
Original Assignee
Hoeganaes Ab
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 Hoeganaes Ab filed Critical Hoeganaes Ab
Publication of BR0108237A publication Critical patent/BR0108237A/pt
Publication of BR0108237B1 publication Critical patent/BR0108237B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • 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
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12063—Nonparticulate metal component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12181—Composite powder [e.g., coated, etc.]
    • 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.]
    • 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
    • Y10T428/2998—Coated including synthetic resin or polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

"Pó DE FERRO E MéTODO PARA A PREPARAçãO DESTE". A invenção concerne um processo para a preparação de um pó magnético fraco isolado compreendendo as etapas de misturar partículas de um pó base de ferro magnético fraco com uma solução de formação de camada de isolação aquosa acídica na qual MgO tem sido dissolvido; e secando a mistura obtida para obter uma camada contendo Mg de isolação elétrica nas superfícies de partícula. A invenção também concerne o pó per se bem como núcleos de pó magnético fraco comprimidos preparados a partir do pó.
BRPI0108237-0A 2000-02-11 2001-02-09 partìculas de pó. BR0108237B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0000454A SE0000454D0 (sv) 2000-02-11 2000-02-11 Iron powder and method for the preparaton thereof
PCT/SE2001/000266 WO2001058624A1 (en) 2000-02-11 2001-02-09 Iron powder and method for the preparation thereof

Publications (2)

Publication Number Publication Date
BR0108237A true BR0108237A (pt) 2002-11-05
BR0108237B1 BR0108237B1 (pt) 2009-01-13

Family

ID=20278433

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0108237-0A BR0108237B1 (pt) 2000-02-11 2001-02-09 partìculas de pó.

Country Status (10)

Country Link
US (1) US6562458B2 (pt)
EP (1) EP1253987A1 (pt)
JP (1) JP2003522298A (pt)
AU (1) AU2001234278A1 (pt)
BR (1) BR0108237B1 (pt)
CA (1) CA2398569A1 (pt)
MX (1) MXPA02007803A (pt)
SE (1) SE0000454D0 (pt)
TW (1) TW459253B (pt)
WO (1) WO2001058624A1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1272810C (zh) * 2001-10-29 2006-08-30 住友电工烧结合金株式会社 复合磁性材料及其制造方法
SE0203168D0 (sv) * 2002-10-25 2002-10-25 Hoeganaes Ab Heat treatment of iron-based components
WO2006011949A2 (en) * 2004-06-24 2006-02-02 University Of Delaware High frequency soft magnetic nanocompsites
EP1808242B1 (en) * 2004-09-06 2012-12-26 Diamet Corporation METHOD FOR PRODUCING SOFT MAGNETIC METAL POWDER COATED WITH Mg-CONTAINING OXIDIZED FILM AND METHOD FOR PRODUCING COMPOSITE SOFT MAGNETIC MATERIAL USING SAID POWDER
JP4863628B2 (ja) * 2004-09-06 2012-01-25 株式会社ダイヤメット Ｍｇ含有酸化膜被覆軟磁性金属粉末の製造方法およびこの粉末を用いて複合軟磁性材を製造する方法
JP4761836B2 (ja) * 2005-01-25 2011-08-31 株式会社ダイヤメット Ｍｇ含有酸化膜被覆鉄粉末
JP5027390B2 (ja) * 2005-03-28 2012-09-19 株式会社ダイヤメット 堆積膜被覆鉄粉末
EP2502689B8 (en) * 2005-01-25 2014-06-11 Diamet Corporation Iron powder coated with Mg-containing oxide film
JP4761835B2 (ja) * 2005-01-25 2011-08-31 株式会社ダイヤメット Ｍｇ含有酸化膜被覆鉄粉末
JP4748772B2 (ja) * 2005-05-16 2011-08-17 株式会社ダイヤメット 酸化膜被覆鉄粉末およびその製造方法
PL1899994T3 (pl) * 2005-06-15 2018-01-31 Hoeganaes Ab Magnetycznie miękkie materiały kompozytowe
JP4134111B2 (ja) * 2005-07-01 2008-08-13 三菱製鋼株式会社 絶縁軟磁性金属粉末成形体の製造方法
GB2430682A (en) * 2005-09-30 2007-04-04 Univ Loughborough Insulated magnetic particulate material
CN101681709B (zh) 2006-12-07 2013-04-10 霍加纳斯股份有限公司 软磁性粉末
BR112013016025B1 (pt) 2010-12-23 2021-09-21 Hõganãs Ab (Publ) Pó compósito à base de ferro, componente compactado e tratado pelo calor, seu método de produção e núcleo de induto
EP2509081A1 (en) 2011-04-07 2012-10-10 Höganäs AB New composition and method
WO2015092002A1 (en) 2013-12-20 2015-06-25 Höganäs Ab (Publ) Soft magnetic powder mix
EP3083106A1 (en) 2013-12-20 2016-10-26 Höganäs Ab (publ) Soft magnetic composite powder and component
EP3199264A1 (en) 2016-02-01 2017-08-02 Höganäs Ab (publ) New composition and method
JP6926419B2 (ja) 2016-09-02 2021-08-25 Tdk株式会社 圧粉磁心
EP3576110A1 (en) 2018-05-30 2019-12-04 Höganäs AB (publ) Ferromagnetic powder composition
US11804317B2 (en) * 2019-07-31 2023-10-31 Tdk Corporation Soft magnetic metal powder and electronic component
JP7447640B2 (ja) * 2020-04-02 2024-03-12 セイコーエプソン株式会社 圧粉磁心の製造方法および圧粉磁心
KR102237022B1 (ko) 2020-08-07 2021-04-08 주식회사 포스코 연자성 철계 분말 및 그 제조방법, 연자성 부품

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1046241A (en) 1961-08-31 1966-10-19 Secr Defence Improvements in the production of iron powder having high electrical resistivity
DE3439397A1 (de) 1984-10-27 1986-04-30 Vacuumschmelze Gmbh, 6450 Hanau Verfahren zur pulvermetallurgischen herstellung eines weichmagnetischen koerpers
DE3668722D1 (de) 1985-06-26 1990-03-08 Toshiba Kawasaki Kk Magnetkern und herstellungsverfahren.
US5160447A (en) 1988-02-29 1992-11-03 Kabushiki Kaisha Sankyo Seiki Seisakusho Compressed powder magnetic core and method for fabricating same
JPH06132109A (ja) * 1992-09-03 1994-05-13 Kobe Steel Ltd 高周波用圧粉磁心及びその製造方法
JP2710152B2 (ja) * 1993-03-08 1998-02-10 株式会社神戸製鋼所 高周波用圧粉磁心及びその製造方法
SE9401392D0 (sv) 1994-04-25 1994-04-25 Hoeganaes Ab Heat-treating of iron powders
JPH08269501A (ja) * 1995-03-30 1996-10-15 Kobe Steel Ltd 高周波圧粉磁心および高周波圧粉磁心用鉄粉とそれらの製造方法
DE69717718T2 (de) 1996-05-28 2003-11-13 Hitachi Powdered Metals Co., Ltd. Weichmagnetischer Pulververbund-Kern aus Teilchen mit isolierenden Schichten
SE9702744D0 (sv) 1997-07-18 1997-07-18 Hoeganaes Ab Soft magnetic composites

Also Published As

Publication number Publication date
WO2001058624A1 (en) 2001-08-16
MXPA02007803A (es) 2002-10-17
JP2003522298A (ja) 2003-07-22
US6562458B2 (en) 2003-05-13
CA2398569A1 (en) 2001-08-16
US20010019771A1 (en) 2001-09-06
AU2001234278A1 (en) 2001-08-20
BR0108237B1 (pt) 2009-01-13
EP1253987A1 (en) 2002-11-06
SE0000454D0 (sv) 2000-02-11
TW459253B (en) 2001-10-11

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 09/02/2001, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE 9A, 10A E 11A ANUIDADE(S), CONFORME ART. 87 DA LPI 9.279.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2259 DE 22/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 9A, 10A E 11A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.