MXPA03011537A - Metodo de preparacion de productos magneticos suaves de alta densidad. - Google Patents

Metodo de preparacion de productos magneticos suaves de alta densidad.

Info

Publication number
MXPA03011537A
MXPA03011537A MXPA03011537A MXPA03011537A MXPA03011537A MX PA03011537 A MXPA03011537 A MX PA03011537A MX PA03011537 A MXPA03011537 A MX PA03011537A MX PA03011537 A MXPA03011537 A MX PA03011537A MX PA03011537 A MXPA03011537 A MX PA03011537A
Authority
MX
Mexico
Prior art keywords
soft magnetic
high density
preparation
magnetic products
density soft
Prior art date
Application number
MXPA03011537A
Other languages
English (en)
Inventor
Andersson Ola
Original Assignee
H Gan S 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 H Gan S Ab filed Critical H Gan S Ab
Publication of MXPA03011537A publication Critical patent/MXPA03011537A/es

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
    • 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
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • C22C33/0271—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5% with only C, Mn, Si, P, S, As as alloying elements, e.g. carbon steel
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/087—Compacting only using high energy impulses, e.g. magnetic field impulses
    • 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
    • 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

Landscapes

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

Abstract

La invencion concierne un metodo para preparar cuerpos compactos de alta densidad para aplicaciones magneticas suaves que comprende las etapas de someter un polvo de hierro o un polvo magnetico suave basado en hierro donde las particulas, las cuales estan aisladas electricamente, a la compactacion en una operacion de presion uniaxial con una velocidad de ariete de al menos 2 m/s.
MXPA03011537A 2001-06-13 2002-06-12 Metodo de preparacion de productos magneticos suaves de alta densidad. MXPA03011537A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0102103A SE0102103D0 (sv) 2001-06-13 2001-06-13 High density soft magnetic products and method for the preparation thereof
PCT/SE2002/001137 WO2002100580A1 (en) 2001-06-13 2002-06-12 Method of preparation of high density soft magnetic products

Publications (1)

Publication Number Publication Date
MXPA03011537A true MXPA03011537A (es) 2004-03-26

Family

ID=20284469

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03011537A MXPA03011537A (es) 2001-06-13 2002-06-12 Metodo de preparacion de productos magneticos suaves de alta densidad.

Country Status (14)

Country Link
US (1) US6503444B1 (es)
EP (1) EP1404473B1 (es)
JP (1) JP2004528481A (es)
KR (1) KR100945365B1 (es)
CN (1) CN1326648C (es)
BR (1) BR0210388B1 (es)
CA (1) CA2450427C (es)
DE (1) DE60213413T2 (es)
ES (1) ES2268047T3 (es)
MX (1) MXPA03011537A (es)
RU (1) RU2292987C2 (es)
SE (1) SE0102103D0 (es)
TW (1) TW557454B (es)
WO (1) WO2002100580A1 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7153594B2 (en) 2002-12-23 2006-12-26 Höganäs Ab Iron-based powder
US20060226729A1 (en) * 2003-09-05 2006-10-12 Du Hung T Field assemblies and methods of making same with field coils having multiple coils
US20050189844A1 (en) * 2003-09-05 2005-09-01 Du Hung T. Field assemblies having pole pieces with dovetail features for attaching to a back iron piece(s) and methods of making same
WO2006096708A2 (en) 2005-03-07 2006-09-14 Black & Decker Inc. Power tools with motor having a multi-piece stator
US7211920B2 (en) * 2003-09-05 2007-05-01 Black & Decker Inc. Field assemblies having pole pieces with axial lengths less than an axial length of a back iron portion and methods of making same
US7146706B2 (en) * 2003-09-05 2006-12-12 Black & Decker Inc. Method of making an electric motor
US7205696B2 (en) * 2003-09-05 2007-04-17 Black & Decker Inc. Field assemblies having pole pieces with ends that decrease in width, and methods of making same
TW200514334A (en) * 2003-09-05 2005-04-16 Black & Decker Inc Field assemblies and methods of making same
SE0302427D0 (sv) * 2003-09-09 2003-09-09 Hoeganaes Ab Iron based soft magnetic powder
JP2007013072A (ja) * 2005-05-30 2007-01-18 Mitsubishi Materials Pmg Corp 圧粉磁心の製造方法とその圧粉磁心並びに圧粉磁心を用いたリアクトル
KR101269688B1 (ko) 2006-05-22 2013-05-30 한국생산기술연구원 연자성 코어의 제조방법
US20110234347A1 (en) * 2010-03-24 2011-09-29 Aspect Magnet Technologies Ltd. Pole piece for permanent magnet mri systems
CN104134529B (zh) * 2014-07-21 2016-08-17 华南理工大学 一种各向异性纳米晶钕铁硼磁体及其制备方法与应用
CN105458249A (zh) * 2015-11-26 2016-04-06 扬州海昌粉末冶金有限公司 一种制备高磁导率烧结铁基软磁产品的方法
WO2019122307A1 (de) * 2017-12-22 2019-06-27 Querdenkfabrik Ag Verfahren zur herstellung eines weichmagnetischen formteils und weichmagnetisches formteil

Family Cites Families (15)

* 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
GB8425860D0 (en) 1984-10-12 1984-11-21 Emi Ltd Magnetic powder compacts
DE3439397A1 (de) 1984-10-27 1986-04-30 Vacuumschmelze Gmbh, 6450 Hanau Verfahren zur pulvermetallurgischen herstellung eines weichmagnetischen koerpers
EP0331286A3 (en) 1988-03-03 1989-11-02 General Motors Corporation Rapid compaction of rare earth-transition metal alloys in a fluid-filled die
US4925501A (en) 1988-03-03 1990-05-15 General Motors Corporation Expolosive compaction of rare earth-transition metal alloys in a fluid medium
CN1014688B (zh) * 1988-12-31 1991-11-13 吴成义 钕铁硼球形非晶微晶粉末制备方法
US5198137A (en) 1989-06-12 1993-03-30 Hoeganaes Corporation Thermoplastic coated magnetic powder compositions and methods of making same
US4947065A (en) 1989-09-22 1990-08-07 General Motors Corporation Stator assembly for an alternating current generator
SE9401392D0 (sv) 1994-04-25 1994-04-25 Hoeganaes Ab Heat-treating of iron powders
US5541868A (en) * 1995-02-21 1996-07-30 The United States Of America As Represented By The Secretary Of The Navy Annular GMR-based memory element
SE9501129D0 (sv) 1995-03-28 1995-03-28 Hoeganaes Ab Soft magnetic anisotropic composite materials
AU3088695A (en) 1995-06-21 1997-01-22 Hydropulsor Ab Impact machine
EP0881959B1 (en) 1996-02-23 2003-09-03 Höganäs Ab Phosphate coated iron powder and method for the manufacturing thereof
CN1069616C (zh) * 1997-12-19 2001-08-15 化学工业部天津化工研究院 氧化锆-氧化铝复合物的制法及其用途
SE511834C2 (sv) * 1998-01-13 1999-12-06 Valtubes Sa Heltäta produkter framställda genom enaxlig höghastighetspressning av metallpulver

Also Published As

Publication number Publication date
DE60213413T2 (de) 2006-12-21
EP1404473A1 (en) 2004-04-07
JP2004528481A (ja) 2004-09-16
US20020192104A1 (en) 2002-12-19
SE0102103D0 (sv) 2001-06-13
WO2002100580A1 (en) 2002-12-19
EP1404473B1 (en) 2006-07-26
ES2268047T3 (es) 2007-03-16
BR0210388A (pt) 2004-06-29
KR100945365B1 (ko) 2010-03-08
US6503444B1 (en) 2003-01-07
CA2450427C (en) 2008-05-06
DE60213413D1 (de) 2006-09-07
KR20040014555A (ko) 2004-02-14
TW557454B (en) 2003-10-11
BR0210388B1 (pt) 2012-02-07
RU2292987C2 (ru) 2007-02-10
RU2004100544A (ru) 2005-06-10
CA2450427A1 (en) 2002-12-19
CN1326648C (zh) 2007-07-18
CN1516629A (zh) 2004-07-28

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