AT285189B - Material for permanent magnets and process for the production of such a material - Google Patents
Material for permanent magnets and process for the production of such a materialInfo
- Publication number
- AT285189B AT285189B AT1228868A AT1228868A AT285189B AT 285189 B AT285189 B AT 285189B AT 1228868 A AT1228868 A AT 1228868A AT 1228868 A AT1228868 A AT 1228868A AT 285189 B AT285189 B AT 285189B
- Authority
- AT
- Austria
- Prior art keywords
- production
- permanent magnets
- magnets
- permanent
- Prior art date
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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (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)
- Electroplating Methods And Accessories (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
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 |
---|---|
AT285189B true AT285189B (en) | 1970-10-12 |
Family
ID=19802049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT1228868A AT285189B (en) | 1967-12-21 | 1968-12-18 | Material for permanent magnets and process for the production of such a material |
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)
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 |
US3892600A (en) * | 1973-06-22 | 1975-07-01 | Gen Electric | Annealed coated air-stable cobalt-rare earth alloy particles |
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 |
US3856581A (en) * | 1973-06-22 | 1974-12-24 | Gen Electric | Annealing air-stable magnetic materials having superior magnetic characteristics 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 |
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 |
-
1967
- 1967-12-21 NL NL676717442A patent/NL154354B/en unknown
-
1968
- 1968-11-26 US US778981A patent/US3591428A/en not_active Expired - Lifetime
- 1968-11-30 DE DE1812011A patent/DE1812011C3/en not_active Expired
- 1968-12-18 CH CH1887668A patent/CH531780A/en not_active IP Right Cessation
- 1968-12-18 IL IL31291A patent/IL31291A0/en unknown
- 1968-12-18 AT AT1228868A patent/AT285189B/en active
- 1968-12-18 DK DK620268AA patent/DK120300B/en unknown
- 1968-12-19 FR FR1596186D patent/FR1596186A/fr not_active Expired
- 1968-12-19 GB GB60378/68A patent/GB1243378A/en not_active Expired
- 1968-12-19 BE BE725751D patent/BE725751A/xx unknown
- 1968-12-20 CA CA038343A patent/CA924197A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL154354B (en) | 1977-08-15 |
BE725751A (en) | 1969-06-19 |
CA924197A (en) | 1973-04-10 |
DK120300B (en) | 1971-05-10 |
GB1243378A (en) | 1971-08-18 |
IL31291A0 (en) | 1969-02-27 |
FR1596186A (en) | 1970-06-15 |
DE1812011B2 (en) | 1977-09-15 |
DE1812011A1 (en) | 1969-08-07 |
CH531780A (en) | 1972-12-15 |
DE1812011C3 (en) | 1978-06-01 |
NL6717442A (en) | 1969-06-24 |
US3591428A (en) | 1971-07-06 |
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