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

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/06Magnets 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02Compacting only
    • B22F3/04Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49075Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49076From 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)
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 (fr) 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 (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
CH544388A (de) 1973-11-15
ES386582A1 (es) 1973-03-16
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

Similar Documents

Publication Publication Date Title
GB1298977A (en) Method of manufacturing an anisotropic permanent magnetic body
GB1299157A (en) Permanent magnet
Harris The potential of hydrogen in permanent magnet production
TW290697B (fr)
GB1309958A (en) Permanent magnetisable bodies
GB2201426B (en) Improved method for the manufacture of rare earth transition metal alloy magnets
US3821035A (en) Sintered cobalt-neodymium-samarium intermetallic product and permanent magnets produced therefrom
GB1343536A (en) Liquid sintered cobalt-rare earth intermetallic product
GB1243379A (en) Anisotropic magnets
GB1307296A (en) Permanent magnets
US3970484A (en) Sintering methods for cobalt-rare earth alloys
JPS5511339A (en) Permanent magnet
GB1347763A (en) Sintering cobalt-rare earth intermetallic product and process using solid sintering additive
US3681151A (en) Method of producing a basic powder for permanent magnets
JPS6181603A (ja) 希土類磁石の製造方法
JPS57134533A (en) Permanent magnet alloy
JPS56150153A (en) Permanent magnet alloy
US3821034A (en) High-density high-energy anisotropically permanent magnet
US3682715A (en) Sintered cobalt-rare earth intermetallic product including samarium and lanthanum and permanent magnets produced therefrom
US3919002A (en) Sintered cobalt-rare earth intermetallic product
GB1263382A (en) Improvements in permanent magnet material powders having superior magnetic characteristics and method for their production
GB1324923A (en) Process for making permanent magnets
JPH0318329B2 (fr)
GB1369840A (en) Process for the manufacture of sintered permanent magnets based on cobalt alloys
GB1350318A (en) Method of manufacturing a sintered magnet body having anisotropic permanent magnetic properties

Legal Events

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