GB1095846A - Improvements relating to methods of manufacturing rod-shaped anisotropic permanent magnets - Google Patents

Improvements relating to methods of manufacturing rod-shaped anisotropic permanent magnets

Info

Publication number
GB1095846A
GB1095846A GB25754/66A GB2575466A GB1095846A GB 1095846 A GB1095846 A GB 1095846A GB 25754/66 A GB25754/66 A GB 25754/66A GB 2575466 A GB2575466 A GB 2575466A GB 1095846 A GB1095846 A GB 1095846A
Authority
GB
United Kingdom
Prior art keywords
seed
melt
alloy
anisotropic permanent
methods
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
GB25754/66A
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 GB1095846A publication Critical patent/GB1095846A/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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/52—Alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GB25754/66A 1965-06-09 1966-06-09 Improvements relating to methods of manufacturing rod-shaped anisotropic permanent magnets Expired GB1095846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL656507303A NL151831B (nl) 1965-06-09 1965-06-09 Werkwijze voor de vervaardiging van staafvormige, magnetisch anisotrope, permanente magneetlichamen met kubische kristalstructuur en een voornamelijk axiaal georienteerde (100)-richting van de kristallen.

Publications (1)

Publication Number Publication Date
GB1095846A true GB1095846A (en) 1967-12-20

Family

ID=19793332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25754/66A Expired GB1095846A (en) 1965-06-09 1966-06-09 Improvements relating to methods of manufacturing rod-shaped anisotropic permanent magnets

Country Status (10)

Country Link
US (1) US3432369A (enrdf_load_stackoverflow)
AT (1) AT273513B (enrdf_load_stackoverflow)
BE (1) BE682208A (enrdf_load_stackoverflow)
CH (1) CH488257A (enrdf_load_stackoverflow)
DE (1) DE1533335C3 (enrdf_load_stackoverflow)
DK (1) DK119470B (enrdf_load_stackoverflow)
ES (1) ES327640A1 (enrdf_load_stackoverflow)
GB (1) GB1095846A (enrdf_load_stackoverflow)
NL (1) NL151831B (enrdf_load_stackoverflow)
SE (1) SE331317B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2127774C1 (ru) * 1997-01-28 1999-03-20 Акционерное общество открытого типа Научно-производственное объединение "Магнетон" Способ получения высококачественных монокристаллических заготовок

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033926A (enrdf_load_stackoverflow) * 1973-07-31 1975-04-02
US4007065A (en) * 1975-02-28 1977-02-08 Arnold Engineering Company Hysteresis alloy
JPS5331519A (en) * 1976-09-07 1978-03-24 Hitachi Metals Ltd Permanent magnetic alloy
US4289570A (en) * 1978-12-13 1981-09-15 United Technologies Corporation Seed and method for epitaxial solidification
US4784703A (en) * 1983-08-26 1988-11-15 Grumman Aerospace Corporation Directional solidification and densification of permanent magnets having single domain size MnBi particles
US12365027B2 (en) 2013-03-22 2025-07-22 Battelle Memorial Institute High speed shear-assisted extrusion
US12186791B2 (en) 2013-03-22 2025-01-07 Battelle Memorial Institute Devices and methods for performing shear-assisted extrusion and extrusion processes
US11045851B2 (en) 2013-03-22 2021-06-29 Battelle Memorial Institute Method for Forming Hollow Profile Non-Circular Extrusions Using Shear Assisted Processing and Extrusion (ShAPE)
US20210379638A1 (en) 2013-03-22 2021-12-09 Battelle Memorial Institute Devices and Methods for Performing Shear-Assisted Extrusion and Extrusion Processes
US10695811B2 (en) 2013-03-22 2020-06-30 Battelle Memorial Institute Functionally graded coatings and claddings
US11383280B2 (en) 2013-03-22 2022-07-12 Battelle Memorial Institute Devices and methods for performing shear-assisted extrusion, extrusion feedstocks, extrusion processes, and methods for preparing metal sheets
US10189063B2 (en) 2013-03-22 2019-01-29 Battelle Memorial Institute System and process for formation of extrusion products
US10109418B2 (en) 2013-05-03 2018-10-23 Battelle Memorial Institute System and process for friction consolidation fabrication of permanent magnets and other extrusion and non-extrusion structures
US11549532B1 (en) 2019-09-06 2023-01-10 Battelle Memorial Institute Assemblies, riveted assemblies, methods for affixing substrates, and methods for mixing materials to form a metallurgical bond
WO2023043839A1 (en) 2021-09-15 2023-03-23 Battelle Memorial Institute Shear-assisted extrusion assemblies and methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673310A (en) * 1949-09-07 1954-03-23 Deutsche Edelstahlwerke Ag Permanent magnet
US2862287A (en) * 1952-12-17 1958-12-02 Philips Corp Method of making cast alnico magnets
US2837452A (en) * 1955-01-19 1958-06-03 Philips Corp Method of making anisotropic permanent magnets
US2933427A (en) * 1956-03-28 1960-04-19 Philips Corp Permanent anisotropic magnet and method of making same
US3085036A (en) * 1960-03-11 1963-04-09 Ct Magneti Permanenti Monocrystalline permanent magnets and method of making them
US3206337A (en) * 1961-11-08 1965-09-14 Hamilton Watch Co Cobalt-platinum alloy and magnets made therefrom
US3175901A (en) * 1962-02-07 1965-03-30 U S Magnet & Alloy Corp Permanent magnet and alloy therefor
US3350240A (en) * 1963-07-05 1967-10-31 Sumitomo Spec Metals Method of producing magnetically anisotropic single-crystal magnets
US3314828A (en) * 1964-01-22 1967-04-18 Swift Levick & Sons Ltd Permanent magnets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2127774C1 (ru) * 1997-01-28 1999-03-20 Акционерное общество открытого типа Научно-производственное объединение "Магнетон" Способ получения высококачественных монокристаллических заготовок

Also Published As

Publication number Publication date
NL151831B (nl) 1976-12-15
CH488257A (de) 1970-03-31
NL6507303A (enrdf_load_stackoverflow) 1966-12-12
US3432369A (en) 1969-03-11
SE331317B (enrdf_load_stackoverflow) 1970-12-21
BE682208A (enrdf_load_stackoverflow) 1966-12-07
DE1533335C3 (de) 1974-10-10
AT273513B (de) 1969-08-11
ES327640A1 (es) 1967-07-16
DK119470B (da) 1971-01-11
DE1533335B2 (de) 1974-03-07
DE1533335A1 (de) 1969-12-18

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