AU2352970A - Permanent-magnet i sable body of compressed fine particles ofa compound ofm andr - Google Patents

Permanent-magnet i sable body of compressed fine particles ofa compound ofm andr

Info

Publication number
AU2352970A
AU2352970A AU23529/70A AU2352970A AU2352970A AU 2352970 A AU2352970 A AU 2352970A AU 23529/70 A AU23529/70 A AU 23529/70A AU 2352970 A AU2352970 A AU 2352970A AU 2352970 A AU2352970 A AU 2352970A
Authority
AU
Australia
Prior art keywords
ofm
sable
andr
permanent
magnet
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
Application number
AU23529/70A
Inventor
FREDERIK WESTENDORF and ANTONIUS GREGORIOS RIJNBEEK FRANS
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU2352970A publication Critical patent/AU2352970A/en
Expired 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
    • H01F1/032—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
AU23529/70A 1969-12-20 1970-12-18 Permanent-magnet i sable body of compressed fine particles ofa compound ofm andr Expired AU2352970A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AU2352970A true AU2352970A (en) 1972-06-22

Family

ID=19808680

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23529/70A Expired AU2352970A (en) 1969-12-20 1970-12-18 Permanent-magnet i sable body of compressed fine particles ofa compound ofm andr

Country Status (10)

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

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 (en) * 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
US5228620A (en) * 1990-10-09 1993-07-20 Iowa State University Research Foundtion, Inc. 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
US5242508A (en) * 1990-10-09 1993-09-07 Iowa State University Research Foundation, Inc. Method of making permanent magnets
US5125574A (en) * 1990-10-09 1992-06-30 Iowa State University Research Foundation Atomizing nozzle and process

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 (en) * 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
FR2073860A5 (en) 1971-10-01
CH544388A (en) 1973-11-15
GB1309958A (en) 1973-03-14
BE760570A (en) 1971-06-18
SE372995B (en) 1975-01-20
DE2059303A1 (en) 1971-06-24
NL6919154A (en) 1971-06-22
US3663317A (en) 1972-05-16
ES386582A1 (en) 1973-03-16

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