CH544388A - Verfahren zur Herstellung eines dauermagnetisierbaren Körpers - Google Patents

Verfahren zur Herstellung eines dauermagnetisierbaren Körpers

Info

Publication number
CH544388A
CH544388A CH1873470A CH1873470A CH544388A CH 544388 A CH544388 A CH 544388A CH 1873470 A CH1873470 A CH 1873470A CH 1873470 A CH1873470 A CH 1873470A CH 544388 A CH544388 A CH 544388A
Authority
CH
Switzerland
Prior art keywords
production
magnetizable body
permanently magnetizable
permanently
magnetizable
Prior art date
Application number
CH1873470A
Other languages
German (de)
English (en)
Inventor
Frederik Westendorp Frans
Gregorius Rijnbeek Antonius
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 CH544388A publication Critical patent/CH544388A/de

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]
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49076—From comminuted material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
CH1873470A 1969-12-20 1970-12-17 Verfahren zur Herstellung eines dauermagnetisierbaren Körpers CH544388A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6919154A NL6919154A (fr) 1969-12-20 1969-12-20

Publications (1)

Publication Number Publication Date
CH544388A true CH544388A (de) 1973-11-15

Family

ID=19808680

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1873470A CH544388A (de) 1969-12-20 1970-12-17 Verfahren zur Herstellung eines dauermagnetisierbaren Körpers

Country Status (10)

Country Link
US (1) US3663317A (fr)
AU (1) AU2352970A (fr)
BE (1) BE760570A (fr)
CH (1) CH544388A (fr)
DE (1) DE2059303A1 (fr)
ES (1) ES386582A1 (fr)
FR (1) FR2073860A5 (fr)
GB (1) GB1309958A (fr)
NL (1) NL6919154A (fr)
SE (1) SE372995B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063970A (en) * 1967-02-18 1977-12-20 Magnetfabrik Bonn G.M.B.H. Vormals Gewerkschaft Windhorst Method of making permanent magnets
US3771221A (en) * 1971-12-03 1973-11-13 Bbc Brown Boveri & Cie Method and apparatus for producing fine-particle permanent magnets
JPS5113878B2 (fr) * 1972-07-12 1976-05-04
US4075042A (en) * 1973-11-16 1978-02-21 Raytheon Company Samarium-cobalt magnet with grain growth inhibited SmCo5 crystals
US3901742A (en) * 1974-04-11 1975-08-26 Gen Electric Removal of lubricants and binders from sinterable powder components
US4104787A (en) * 1977-03-21 1978-08-08 General Motors Corporation Forming curved wafer thin magnets from rare earth-cobalt alloy powders
US4152178A (en) * 1978-01-24 1979-05-01 The United States Of America As Represented By The United States Department Of Energy Sintered rare earth-iron Laves phase magnetostrictive alloy product and preparation thereof
US5242508A (en) * 1990-10-09 1993-09-07 Iowa State University Research Foundation, Inc. Method of making permanent magnets
US5228620A (en) * 1990-10-09 1993-07-20 Iowa State University Research Foundtion, Inc. Atomizing nozzle and process
US5125574A (en) * 1990-10-09 1992-06-30 Iowa State University Research Foundation Atomizing nozzle and process
US5240513A (en) * 1990-10-09 1993-08-31 Iowa State University Research Foundation, Inc. Method of making bonded or sintered permanent magnets

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463678A (en) * 1966-08-15 1969-08-26 Gen Electric Method for improving magnetic properties of cobalt-yttrium or cobalt-rare earth metal compounds
NL6700998A (fr) * 1967-01-21 1968-07-22
US3540945A (en) * 1967-06-05 1970-11-17 Us Air Force Permanent magnets

Also Published As

Publication number Publication date
ES386582A1 (es) 1973-03-16
GB1309958A (en) 1973-03-14
SE372995B (fr) 1975-01-20
DE2059303A1 (de) 1971-06-24
US3663317A (en) 1972-05-16
BE760570A (fr) 1971-06-18
NL6919154A (fr) 1971-06-22
FR2073860A5 (fr) 1971-10-01
AU2352970A (en) 1972-06-22

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Legal Events

Date Code Title Description
PL Patent ceased