DE60213413D1 - Verfahren zur herstellung von weichmagnetischen produkten hoher dichte - Google Patents

Verfahren zur herstellung von weichmagnetischen produkten hoher dichte

Info

Publication number
DE60213413D1
DE60213413D1 DE60213413T DE60213413T DE60213413D1 DE 60213413 D1 DE60213413 D1 DE 60213413D1 DE 60213413 T DE60213413 T DE 60213413T DE 60213413 T DE60213413 T DE 60213413T DE 60213413 D1 DE60213413 D1 DE 60213413D1
Authority
DE
Germany
Prior art keywords
high density
soft magnetic
producing soft
magnetic products
products
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
DE60213413T
Other languages
English (en)
Other versions
DE60213413T2 (de
Inventor
Ola Andersson
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.)
Hoganas AB
Original Assignee
Hoganas 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 Hoganas AB filed Critical Hoganas AB
Application granted granted Critical
Publication of DE60213413D1 publication Critical patent/DE60213413D1/de
Publication of DE60213413T2 publication Critical patent/DE60213413T2/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
    • 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)
DE60213413T 2001-06-13 2002-06-12 Verfahren zur Herstellung weichmagnetischer Produkte hoher Dichte Expired - Lifetime DE60213413T2 (de)

Applications Claiming Priority (3)

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
SE0102103 2001-06-19
PCT/SE2002/001137 WO2002100580A1 (en) 2001-06-13 2002-06-12 Method of preparation of high density soft magnetic products

Publications (2)

Publication Number Publication Date
DE60213413D1 true DE60213413D1 (de) 2006-09-07
DE60213413T2 DE60213413T2 (de) 2006-12-21

Family

ID=20284469

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60213413T Expired - Lifetime DE60213413T2 (de) 2001-06-13 2002-06-12 Verfahren zur Herstellung weichmagnetischer Produkte hoher Dichte

Country Status (14)

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

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
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
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
US7146706B2 (en) * 2003-09-05 2006-12-12 Black & Decker Inc. Method of making an electric motor
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
US20060226729A1 (en) * 2003-09-05 2006-10-12 Du Hung T Field assemblies and methods of making same with field coils having multiple coils
US7078843B2 (en) * 2003-09-05 2006-07-18 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
EP2562912A1 (de) 2005-03-07 2013-02-27 Black & Decker Inc. Elektrowerkzeug mit einem Motor mit mehrteiligem Ständer
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
US4925501A (en) * 1988-03-03 1990-05-15 General Motors Corporation Expolosive compaction of rare earth-transition metal alloys in a fluid medium
EP0331286A3 (de) 1988-03-03 1989-11-02 General Motors Corporation Schnellverdichtung einer Seltenerd-Übergangsmetallegierung in einer mit Flüssigkeit gefüllten Matrize
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
EP0833714B1 (de) 1995-06-21 2000-10-25 Hydropulsor Ab Schlagschneidvorrichtung
KR100454855B1 (ko) 1996-02-23 2004-12-16 회가내스 아베 인코팅된철분말및그의제조방법
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
JP2004528481A (ja) 2004-09-16
DE60213413T2 (de) 2006-12-21
CN1326648C (zh) 2007-07-18
SE0102103D0 (sv) 2001-06-13
KR20040014555A (ko) 2004-02-14
KR100945365B1 (ko) 2010-03-08
EP1404473A1 (de) 2004-04-07
MXPA03011537A (es) 2004-03-26
RU2004100544A (ru) 2005-06-10
BR0210388A (pt) 2004-06-29
RU2292987C2 (ru) 2007-02-10
TW557454B (en) 2003-10-11
CA2450427A1 (en) 2002-12-19
BR0210388B1 (pt) 2012-02-07
US20020192104A1 (en) 2002-12-19
ES2268047T3 (es) 2007-03-16
WO2002100580A1 (en) 2002-12-19
US6503444B1 (en) 2003-01-07
CA2450427C (en) 2008-05-06
CN1516629A (zh) 2004-07-28
EP1404473B1 (de) 2006-07-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: LE-SATTLER, A., LEBENSMITTELCHEM., PAT.-ANW., 4479