TWI318413B - Method of improving the magnetic properties of powder metallurgically produced smc components - Google Patents

Method of improving the magnetic properties of powder metallurgically produced smc components

Info

Publication number
TWI318413B
TWI318413B TW092129499A TW92129499A TWI318413B TW I318413 B TWI318413 B TW I318413B TW 092129499 A TW092129499 A TW 092129499A TW 92129499 A TW92129499 A TW 92129499A TW I318413 B TWI318413 B TW I318413B
Authority
TW
Taiwan
Prior art keywords
improving
magnetic properties
metallurgically produced
powder metallurgically
produced smc
Prior art date
Application number
TW092129499A
Other languages
English (en)
Other versions
TW200423158A (en
Inventor
Zhou Ye
Larsson Per-Olof
Andersson Henrik
Hultman Lars
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 TW200423158A publication Critical patent/TW200423158A/zh
Application granted granted Critical
Publication of TWI318413B publication Critical patent/TWI318413B/zh

Links

Classifications

    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • 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
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102—Metallic powder coated with organic material
    • 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
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/241—Chemical after-treatment on the surface
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • 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
    • 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
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
TW092129499A 2002-10-25 2003-10-24 Method of improving the magnetic properties of powder metallurgically produced smc components TWI318413B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0203168A SE0203168D0 (sv) 2002-10-25 2002-10-25 Heat treatment of iron-based components

Publications (2)

Publication Number Publication Date
TW200423158A TW200423158A (en) 2004-11-01
TWI318413B true TWI318413B (en) 2009-12-11

Family

ID=20289381

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092129499A TWI318413B (en) 2002-10-25 2003-10-24 Method of improving the magnetic properties of powder metallurgically produced smc components

Country Status (17)

Country Link
US (1) US6989062B2 (zh)
EP (1) EP1556871B1 (zh)
JP (1) JP4524187B2 (zh)
KR (1) KR101039514B1 (zh)
CN (1) CN1331168C (zh)
AT (1) ATE434824T1 (zh)
AU (1) AU2003269784A1 (zh)
BR (1) BR0315582A (zh)
CA (1) CA2497393C (zh)
DE (1) DE60328121D1 (zh)
DK (1) DK1556871T3 (zh)
ES (1) ES2327727T3 (zh)
MX (1) MXPA05004383A (zh)
RU (1) RU2325972C2 (zh)
SE (1) SE0203168D0 (zh)
TW (1) TWI318413B (zh)
WO (1) WO2004038740A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2007016193A (es) * 2005-06-15 2008-03-11 Hoeganaes Ab Materiales compuestos magneticos suaves.
RU2549904C2 (ru) * 2009-09-18 2015-05-10 Хеганес Аб Ферромагнитная порошковая композиция и способ ее получения
US20160311019A1 (en) * 2013-12-20 2016-10-27 Höganäs Ab (Publ) Soft magnetic powder mix

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240312A (ja) * 1985-08-15 1987-02-21 Kawasaki Steel Corp 炉内における雰囲気制御方法
JPH02141526A (ja) * 1988-11-24 1990-05-30 Ngk Insulators Ltd 雰囲気制御システム
JPH07245209A (ja) * 1994-03-02 1995-09-19 Tdk Corp 圧粉コアおよびその製造方法
SE9401392D0 (sv) * 1994-04-25 1994-04-25 Hoeganaes Ab Heat-treating of iron powders
SE9402497D0 (sv) * 1994-07-18 1994-07-18 Hoeganaes Ab Iron powder components containing thermoplastic resin and methods of making same
JPH10312927A (ja) * 1997-05-09 1998-11-24 Furukawa Co Ltd 圧粉磁芯の製造方法
SE9702744D0 (sv) 1997-07-18 1997-07-18 Hoeganaes Ab Soft magnetic composites
JP2000232014A (ja) * 1999-02-12 2000-08-22 Matsushita Electric Ind Co Ltd 複合磁性材料の製造方法
JP2001026816A (ja) * 1999-07-14 2001-01-30 Kawasaki Steel Corp 連続式加熱炉の操業方法
SE0000454D0 (sv) * 2000-02-11 2000-02-11 Hoeganaes Ab Iron powder and method for the preparaton thereof
US6652458B2 (en) * 2000-06-20 2003-11-25 The Mclean Hospital Corporation ADHD detection by eye saccades
JP2002015912A (ja) * 2000-06-30 2002-01-18 Tdk Corp 圧粉磁芯用粉末及び圧粉磁芯
SE0100236D0 (sv) 2001-01-26 2001-01-26 Hoeganaes Ab Compressed soft magnetic materials
DE10106172A1 (de) * 2001-02-10 2002-08-29 Bosch Gmbh Robert Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff
JP3986043B2 (ja) * 2001-02-20 2007-10-03 日立粉末冶金株式会社 圧粉磁心及びその製造方法
CN1128456C (zh) * 2001-04-28 2003-11-19 安泰科技股份有限公司 高导磁率圆环形铁芯的处理方法
US7153594B2 (en) * 2002-12-23 2006-12-26 Höganäs Ab Iron-based powder

Also Published As

Publication number Publication date
ES2327727T3 (es) 2009-11-03
CA2497393A1 (en) 2004-05-06
KR20050071577A (ko) 2005-07-07
JP2006504263A (ja) 2006-02-02
US20040079452A1 (en) 2004-04-29
KR101039514B1 (ko) 2011-06-08
ATE434824T1 (de) 2009-07-15
EP1556871A1 (en) 2005-07-27
DK1556871T3 (da) 2009-09-28
CN1331168C (zh) 2007-08-08
EP1556871B1 (en) 2009-06-24
DE60328121D1 (de) 2009-08-06
RU2325972C2 (ru) 2008-06-10
SE0203168D0 (sv) 2002-10-25
AU2003269784A1 (en) 2004-05-13
US6989062B2 (en) 2006-01-24
BR0315582A (pt) 2005-08-30
JP4524187B2 (ja) 2010-08-11
RU2005115859A (ru) 2006-01-20
CN1706012A (zh) 2005-12-07
MXPA05004383A (es) 2005-12-14
TW200423158A (en) 2004-11-01
WO2004038740A1 (en) 2004-05-06
CA2497393C (en) 2011-09-20

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees