CH537083A - Process for compacting magnetically anisotropic powders and permanent magnetic bodies produced by this process - Google Patents

Process for compacting magnetically anisotropic powders and permanent magnetic bodies produced by this process

Info

Publication number
CH537083A
CH537083A CH1603569A CH1603569A CH537083A CH 537083 A CH537083 A CH 537083A CH 1603569 A CH1603569 A CH 1603569A CH 1603569 A CH1603569 A CH 1603569A CH 537083 A CH537083 A CH 537083A
Authority
CH
Switzerland
Prior art keywords
compacting
permanent magnetic
magnetic bodies
bodies produced
magnetically anisotropic
Prior art date
Application number
CH1603569A
Other languages
German (de)
Inventor
Luiten Willem
Frederik Westendorp Frans
Josephus De Kort Gijs Arnoldus
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 CH537083A publication Critical patent/CH537083A/en

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)
CH1603569A 1968-10-31 1969-10-28 Process for compacting magnetically anisotropic powders and permanent magnetic bodies produced by this process CH537083A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH537083A true CH537083A (en) 1973-05-15

Family

ID=19805046

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1603569A CH537083A (en) 1968-10-31 1969-10-28 Process for compacting magnetically anisotropic powders and permanent magnetic bodies produced by this process

Country Status (15)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110755A5 (en) * 1970-10-29 1972-06-02 Sermag
CH616777A5 (en) * 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 (en) * 2012-05-10 2013-11-14 青岛云路新能源科技有限公司 Method for manufacturing magnetic powder core
CN106493361B (en) * 2016-11-09 2018-08-21 董中天 Film dry bag magnetic field equal static pressure press

Also Published As

Publication number Publication date
AT298207B (en) 1972-04-25
NO132450C (en) 1975-11-12
JPS501837B1 (en) 1975-01-21
GB1243379A (en) 1971-08-18
NL6815510A (en) 1970-05-04
SU436516A3 (en) 1974-07-15
ES372993A1 (en) 1972-03-01
DE1952403B2 (en) 1977-03-03
CA929082A (en) 1973-06-26
DK121447B (en) 1971-10-18
FI50750C (en) 1976-06-10
FR2022025A1 (en) 1970-07-24
FI50750B (en) 1976-03-01
US3615915A (en) 1971-10-26
SE361231B (en) 1973-10-22
NO132450B (en) 1975-08-04
BE740983A (en) 1970-04-29
DE1952403A1 (en) 1970-05-06

Similar Documents

Publication Publication Date Title
CH537083A (en) Process for compacting magnetically anisotropic powders and permanent magnetic bodies produced by this process
ZA71483B (en) A method of magnetically differentiating materials having an induced or residual magnetic field
AT276313B (en) Method of crushing solid particles
CH479070A (en) Process for generating a nuclear magnetic resonance signal and apparatus for carrying out this process
AT301891B (en) Process for producing a body with anisotropic permanent magnetic properties
NL150938B (en) METHOD FOR PREPARING NEEDLE-SHAPED STABLE MAGNETIC IRON PARTICLES.
CH459475A (en) Method and device for forming sand cores or sand molds
SE386743B (en) PROCEDURE FOR TESTING FERROMAGNETIC BODIES REGARDING SURFACES BY THE MAGNETIC POWDER METHOD
CH488257A (en) Process for producing rod-shaped, magnetically anisotropic permanent magnet bodies with a cubic crystal structure and a substantially axially oriented (100) direction of the crystals
NL169198C (en) METHOD FOR PREPARING FERROMAGNETIC PARTICLES, AND MAGNETS AND MAGNETIC COMPONENTS COMPOSED THEREOF
CA981347A (en) Method and arrangement for setting the remanent flux density in magnetic circuits
ES371250A1 (en) Object having sharp magnetic divisions
GB1121559A (en) Improvements in or relating to methods of and apparatus for the production of magnetic fields using superconducting magnets
IT985774B (en) MAGNETIC GROUP FOR MAGNETS AND METO DO TO MANUFACTURE IT
AT287326B (en) Method for increasing the coercive force and / or the remanence of a hard magnetic powder
AT312951B (en) Process for solidifying mechanically alloyed particles
DE2106051B2 (en) DEVICE FOR MAINTAINING A MAGNETIC FIELD GENERATED BY ONE OR MORE COILS
AT319621B (en) Process for the production of a permanent magnet body and magnetic bodies produced thereafter
AT326782B (en) METHOD AND DEVICE FOR MANUFACTURING NUCLEAR FUEL BODIES
CH512755A (en) A method of imaging by particle migration and a multilayer arrangement for carrying out the method
CH457196A (en) Method for producing an iron powder and using the iron powder
CH472274A (en) Device for moving an object consisting at least partially of magnetic material into a position of use
CA667366A (en) Method and apparatus for making magnetically anisotropic elongated magnets
CH329182A (en) Process for the production of permanent magnets by pressing magnetically anisotropic powdery permanent magnet materials with a binding agent
CH524876A (en) Method for temporarily reducing the coercive force of a permanently magnetizable material

Legal Events

Date Code Title Description
PL Patent ceased