GB1309958A - Permanent magnetisable bodies - Google Patents

Permanent magnetisable bodies

Info

Publication number
GB1309958A
GB1309958A GB5996870A GB5996870A GB1309958A GB 1309958 A GB1309958 A GB 1309958A GB 5996870 A GB5996870 A GB 5996870A GB 5996870 A GB5996870 A GB 5996870A GB 1309958 A GB1309958 A GB 1309958A
Authority
GB
United Kingdom
Prior art keywords
powder
orientating
compacting
dec
orientated
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
GB5996870A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1309958A publication Critical patent/GB1309958A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
GB5996870A 1969-12-20 1970-12-17 Permanent magnetisable bodies Expired GB1309958A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1309958A true GB1309958A (en) 1973-03-14

Family

ID=19808680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5996870A Expired GB1309958A (en) 1969-12-20 1970-12-17 Permanent magnetisable bodies

Country Status (10)

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

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:Method) * 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:Method) * 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
CH544388A (de) 1973-11-15
NL6919154A (en:Method) 1971-06-22
US3663317A (en) 1972-05-16
AU2352970A (en) 1972-06-22
BE760570A (fr) 1971-06-18
ES386582A1 (es) 1973-03-16
SE372995B (en:Method) 1975-01-20
DE2059303A1 (de) 1971-06-24
FR2073860A5 (en:Method) 1971-10-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee