CA924197A - Basic substance for the manufacture of a permanent magnet - Google Patents

Basic substance for the manufacture of a permanent magnet

Info

Publication number
CA924197A
CA924197A CA038343A CA38343A CA924197A CA 924197 A CA924197 A CA 924197A CA 038343 A CA038343 A CA 038343A CA 38343 A CA38343 A CA 38343A CA 924197 A CA924197 A CA 924197A
Authority
CA
Canada
Prior art keywords
manufacture
permanent magnet
basic substance
substance
basic
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
CA038343A
Inventor
H. J. Buschow Kurt
H. N. Van Vucht Johannes
A. J. J. Velge Wilhelmus
A. Naastepad Pieter
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
Application granted granted Critical
Publication of CA924197A publication Critical patent/CA924197A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • C23C18/1827—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment only one step pretreatment
    • C23C18/1834—Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1635—Composition of the substrate
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
    • 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
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12063—Nonparticulate metal component
    • Y10T428/12097—Nonparticulate component encloses particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Thin Magnetic Films (AREA)
  • Physical Vapour Deposition (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Electroplating Methods And Accessories (AREA)
CA038343A 1967-12-21 1968-12-20 Basic substance for the manufacture of a permanent magnet Expired CA924197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL676717442A NL154354B (en) 1967-12-21 1967-12-21 PREPARATION MATERIAL FOR THE MANUFACTURE OF A PERMANENT MAGNET, PROCEDURE FOR MANUFACTURE OF THIS PREPARATION, AND PERMANENT MAGNET CONSTRUCTED FROM THE PRIMARY MATERIAL.

Publications (1)

Publication Number Publication Date
CA924197A true CA924197A (en) 1973-04-10

Family

ID=19802049

Family Applications (1)

Application Number Title Priority Date Filing Date
CA038343A Expired CA924197A (en) 1967-12-21 1968-12-20 Basic substance for the manufacture of a permanent magnet

Country Status (11)

Country Link
US (1) US3591428A (en)
AT (1) AT285189B (en)
BE (1) BE725751A (en)
CA (1) CA924197A (en)
CH (1) CH531780A (en)
DE (1) DE1812011C3 (en)
DK (1) DK120300B (en)
FR (1) FR1596186A (en)
GB (1) GB1243378A (en)
IL (1) IL31291A0 (en)
NL (1) NL154354B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2065635A1 (en) * 1969-07-08 1971-08-06 Gen Electric Permanent magnetic powder of cobalt rare - earth metal compound
DE1936508C3 (en) * 1969-07-18 1983-12-08 General Electric Co., New York, N.Y. Process for stabilizing the coercive force of powder for permanent magnets
US4063971A (en) * 1969-08-08 1977-12-20 Th. Goldschmidt Ag Method of increasing the coercive force of pulverized rare earth-cobalt alloys
US4115159A (en) * 1969-08-08 1978-09-19 Th. Goldschmidt Ag Method of increasing the coercive force of pulverized rare earth-cobalt alloys
US3770396A (en) * 1970-07-29 1973-11-06 Olin Corp Composite metal article
US3856581A (en) * 1973-06-22 1974-12-24 Gen Electric Annealing air-stable magnetic materials having superior magnetic characteristics and method
US3856582A (en) * 1973-06-22 1974-12-24 Gen Electric Fabrication of matrix bonded transition metal-rare earth alloy magnets
US3892601A (en) * 1973-06-22 1975-07-01 Gen Electric Coated air-stable cobalt-rare earth alloy particles and method
US3892599A (en) * 1973-06-22 1975-07-01 Gen Electric Air-stable compact of cobalt-rare earth alloy particles and method
US3856580A (en) * 1973-06-22 1974-12-24 Gen Electric Air-stable magnetic materials and method
US3892600A (en) * 1973-06-22 1975-07-01 Gen Electric Annealed coated air-stable cobalt-rare earth alloy particles
US4122922A (en) * 1977-08-17 1978-10-31 Max Baermann Infinitely variable wear-free eddy current and/or hysteresis brake, preferably for track-bound vehicles
JPS5832767B2 (en) * 1980-01-24 1983-07-15 ヤマハ株式会社 Manufacturing method for hard magnetic materials
US4942098A (en) * 1987-03-26 1990-07-17 Sumitomo Special Metals, Co., Ltd. Corrosion resistant permanent magnet
GB8707905D0 (en) * 1987-04-02 1987-05-07 Univ Birmingham Magnets

Also Published As

Publication number Publication date
BE725751A (en) 1969-06-19
DE1812011A1 (en) 1969-08-07
DK120300B (en) 1971-05-10
DE1812011B2 (en) 1977-09-15
NL154354B (en) 1977-08-15
CH531780A (en) 1972-12-15
FR1596186A (en) 1970-06-15
US3591428A (en) 1971-07-06
NL6717442A (en) 1969-06-24
DE1812011C3 (en) 1978-06-01
GB1243378A (en) 1971-08-18
AT285189B (en) 1970-10-12
IL31291A0 (en) 1969-02-27

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