DK121447B - Fremgangsmåde til komprimering af magnetisk anisotrope pulvere. - Google Patents

Fremgangsmåde til komprimering af magnetisk anisotrope pulvere.

Info

Publication number
DK121447B
DK121447B DK570269AA DK570269A DK121447B DK 121447 B DK121447 B DK 121447B DK 570269A A DK570269A A DK 570269AA DK 570269 A DK570269 A DK 570269A DK 121447 B DK121447 B DK 121447B
Authority
DK
Denmark
Prior art keywords
compressing
magnetically anisotropic
anisotropic powders
powders
magnetically
Prior art date
Application number
DK570269AA
Other languages
Danish (da)
English (en)
Inventor
W Luiten
F Westendorp
Kort G De
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK121447B publication Critical patent/DK121447B/da

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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/06—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 hard-magnetic materials metals or alloys in the form of particles, e.g. 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
    • B22F3/02—Compacting only
    • B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
    • 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
    • H01F41/0253—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 for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
DK570269AA 1968-10-31 1969-10-28 Fremgangsmåde til komprimering af magnetisk anisotrope pulvere. DK121447B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6815510A NL6815510A (de) 1968-10-31 1968-10-31

Publications (1)

Publication Number Publication Date
DK121447B true DK121447B (da) 1971-10-18

Family

ID=19805046

Family Applications (1)

Application Number Title Priority Date Filing Date
DK570269AA DK121447B (da) 1968-10-31 1969-10-28 Fremgangsmåde til komprimering af magnetisk anisotrope pulvere.

Country Status (15)

Country Link
US (1) US3615915A (de)
JP (1) JPS501837B1 (de)
AT (1) AT298207B (de)
BE (1) BE740983A (de)
CA (1) CA929082A (de)
CH (1) CH537083A (de)
DK (1) DK121447B (de)
ES (1) ES372993A1 (de)
FI (1) FI50750C (de)
FR (1) FR2022025A1 (de)
GB (1) GB1243379A (de)
NL (1) NL6815510A (de)
NO (1) NO132450C (de)
SE (1) SE361231B (de)
SU (1) SU436516A3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110755A5 (de) * 1970-10-29 1972-06-02 Sermag
CH616777A5 (de) * 1975-09-23 1980-04-15 Bbc Brown Boveri & Cie
US4135953A (en) * 1975-09-23 1979-01-23 Bbc Brown, Boveri & Company, Limited Permanent magnet and method of making it
US4104787A (en) * 1977-03-21 1978-08-08 General Motors Corporation Forming curved wafer thin magnets from rare earth-cobalt alloy powders
US4851058A (en) * 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
US4975411A (en) * 1987-05-19 1990-12-04 Fonar Corporation Superconductors and methods of making same
US4990493A (en) * 1988-09-06 1991-02-05 General Electric Company Process of making an oriented polycrystal superconductor
US6071357A (en) * 1997-09-26 2000-06-06 Guruswamy; Sivaraman Magnetostrictive composites and process for manufacture by dynamic compaction
US20050001345A1 (en) * 2003-04-04 2005-01-06 Frank Edward A. Method and apparatus for applying a pattern to a molded surface during manufacture
WO2010066251A1 (en) 2008-12-12 2010-06-17 Sintex A/S A permanent magnet rotor for a machine, a method for manufacturing a permanent magnet rotor and a manufacturing system
WO2013166687A1 (zh) * 2012-05-10 2013-11-14 青岛云路新能源科技有限公司 磁粉芯的制造方法
CN106493361B (zh) * 2016-11-09 2018-08-21 董中天 薄膜干袋磁场等静压机

Also Published As

Publication number Publication date
FI50750B (de) 1976-03-01
SE361231B (de) 1973-10-22
NO132450B (de) 1975-08-04
CH537083A (de) 1973-05-15
DE1952403A1 (de) 1970-05-06
GB1243379A (en) 1971-08-18
NO132450C (de) 1975-11-12
SU436516A3 (de) 1974-07-15
NL6815510A (de) 1970-05-04
FI50750C (fi) 1976-06-10
FR2022025A1 (de) 1970-07-24
DE1952403B2 (de) 1977-03-03
ES372993A1 (es) 1972-03-01
AT298207B (de) 1972-04-25
BE740983A (de) 1970-04-29
CA929082A (en) 1973-06-26
US3615915A (en) 1971-10-26
JPS501837B1 (de) 1975-01-21

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