GB1243378A - Improvements relating to magnetic materials - Google Patents
Improvements relating to magnetic materialsInfo
- Publication number
- GB1243378A GB1243378A GB60378/68A GB6037868A GB1243378A GB 1243378 A GB1243378 A GB 1243378A GB 60378/68 A GB60378/68 A GB 60378/68A GB 6037868 A GB6037868 A GB 6037868A GB 1243378 A GB1243378 A GB 1243378A
- Authority
- GB
- United Kingdom
- Prior art keywords
- particles
- coated
- magnetic
- smco
- dec
- 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
Links
- 239000000696 magnetic material Substances 0.000 title abstract 3
- 239000002245 particle Substances 0.000 abstract 5
- 229910018104 Ni-P Inorganic materials 0.000 abstract 2
- 229910018536 Ni—P Inorganic materials 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000006249 magnetic particle Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 abstract 2
- 238000004544 sputter deposition Methods 0.000 abstract 2
- 229910001122 Mischmetal Inorganic materials 0.000 abstract 1
- 229910052776 Thorium Inorganic materials 0.000 abstract 1
- JFIOVJDNOJYLKP-UHFFFAOYSA-N bithionol Chemical compound OC1=C(Cl)C=C(Cl)C=C1SC1=CC(Cl)=CC(Cl)=C1O JFIOVJDNOJYLKP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 239000011162 core material Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL676717442A NL154354B (nl) | 1967-12-21 | 1967-12-21 | Uitgangsstof voor de vervaardiging van een permanente magneet, werkwijze voor de vervaardiging van deze uitgangsstof, alsmede permanente magneet opgebouwd uit de uitgangsstof. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1243378A true GB1243378A (en) | 1971-08-18 |
Family
ID=19802049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB60378/68A Expired GB1243378A (en) | 1967-12-21 | 1968-12-19 | Improvements relating to magnetic materials |
Country Status (11)
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 (de) * | 1969-07-18 | 1983-12-08 | General Electric Co., New York, N.Y. | Verfahren zur Stabilisierung der Koerzitivkraft von Pulver für Dauermagneten |
| US4115159A (en) * | 1969-08-08 | 1978-09-19 | Th. Goldschmidt Ag | Method of increasing the coercive force of pulverized rare earth-cobalt alloys |
| US4063971A (en) * | 1969-08-08 | 1977-12-20 | 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 |
| US3856580A (en) * | 1973-06-22 | 1974-12-24 | Gen Electric | Air-stable magnetic materials and method |
| US3892601A (en) * | 1973-06-22 | 1975-07-01 | Gen Electric | Coated air-stable cobalt-rare earth alloy particles and method |
| US3856582A (en) * | 1973-06-22 | 1974-12-24 | Gen Electric | Fabrication of matrix bonded transition metal-rare earth alloy magnets |
| US3892600A (en) * | 1973-06-22 | 1975-07-01 | Gen Electric | Annealed coated air-stable cobalt-rare earth alloy particles |
| US3892599A (en) * | 1973-06-22 | 1975-07-01 | Gen Electric | Air-stable compact of 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 |
| 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 (ja) * | 1980-01-24 | 1983-07-15 | ヤマハ株式会社 | 硬質磁性材料の製法 |
| 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/xx unknown
-
1968
- 1968-11-26 US US778981A patent/US3591428A/en not_active Expired - Lifetime
- 1968-11-30 DE DE1812011A patent/DE1812011C3/de not_active Expired
- 1968-12-18 CH CH1887668A patent/CH531780A/de not_active IP Right Cessation
- 1968-12-18 DK DK620268AA patent/DK120300B/da unknown
- 1968-12-18 IL IL31291A patent/IL31291A0/xx unknown
- 1968-12-18 AT AT1228868A patent/AT285189B/de active
- 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 |
|---|---|
| DE1812011A1 (de) | 1969-08-07 |
| CH531780A (de) | 1972-12-15 |
| US3591428A (en) | 1971-07-06 |
| NL154354B (nl) | 1977-08-15 |
| DE1812011C3 (de) | 1978-06-01 |
| BE725751A (enrdf_load_stackoverflow) | 1969-06-19 |
| DE1812011B2 (de) | 1977-09-15 |
| FR1596186A (enrdf_load_stackoverflow) | 1970-06-15 |
| NL6717442A (enrdf_load_stackoverflow) | 1969-06-24 |
| DK120300B (da) | 1971-05-10 |
| IL31291A0 (en) | 1969-02-27 |
| CA924197A (en) | 1973-04-10 |
| AT285189B (de) | 1970-10-12 |
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