GB1210332A - Improvements in permanent magnet material powders having superior magnetic characteristics and method of making them - Google Patents
Improvements in permanent magnet material powders having superior magnetic characteristics and method of making themInfo
- Publication number
- GB1210332A GB1210332A GB579/69A GB57969A GB1210332A GB 1210332 A GB1210332 A GB 1210332A GB 579/69 A GB579/69 A GB 579/69A GB 57969 A GB57969 A GB 57969A GB 1210332 A GB1210332 A GB 1210332A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rare earth
- jan
- cobalt
- seconds
- particles
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- 239000000843 powder Substances 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 3
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229910001868 water Inorganic materials 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 229910001122 Mischmetal Inorganic materials 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 229910052772 Samarium Inorganic materials 0.000 abstract 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 1
- 235000011054 acetic acid Nutrition 0.000 abstract 1
- 150000001243 acetic acids Chemical class 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910000765 intermetallic Inorganic materials 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 150000002910 rare earth metals Chemical group 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/04—Heavy metals
- C23F3/06—Heavy metals with acidic solutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
-
- 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
-
- 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
- H01F1/06—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 in the form of particles, e.g. powder
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70184068A | 1968-01-31 | 1968-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1210332A true GB1210332A (en) | 1970-10-28 |
Family
ID=24818894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB579/69A Expired GB1210332A (en) | 1968-01-31 | 1969-01-03 | Improvements in permanent magnet material powders having superior magnetic characteristics and method of making them |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3558372A (enrdf_load_stackoverflow) |
| BE (1) | BE726341A (enrdf_load_stackoverflow) |
| DE (1) | DE1901056A1 (enrdf_load_stackoverflow) |
| ES (1) | ES362575A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2001038A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1210332A (enrdf_load_stackoverflow) |
| NL (1) | NL6900668A (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2054929A1 (de) * | 1970-11-07 | 1972-05-10 | Elektro Physik Hans Nix U Dr I | Magnetischer Dickenmesser |
| US3900749A (en) * | 1974-04-02 | 1975-08-19 | Hmw Industries | Permanent magnet generator |
| US5186765A (en) * | 1989-07-31 | 1993-02-16 | Kabushiki Kaisha Toshiba | Cold accumulating material and method of manufacturing the same |
| US6994755B2 (en) * | 2002-04-29 | 2006-02-07 | University Of Dayton | Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets |
| US6966953B2 (en) * | 2002-04-29 | 2005-11-22 | University Of Dayton | Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness |
| US20060054245A1 (en) * | 2003-12-31 | 2006-03-16 | Shiqiang Liu | Nanocomposite permanent magnets |
| US20060005898A1 (en) * | 2004-06-30 | 2006-01-12 | Shiqiang Liu | Anisotropic nanocomposite rare earth permanent magnets and method of making |
-
1968
- 1968-01-31 US US701840*A patent/US3558372A/en not_active Expired - Lifetime
- 1968-12-31 BE BE726341D patent/BE726341A/xx unknown
-
1969
- 1969-01-03 GB GB579/69A patent/GB1210332A/en not_active Expired
- 1969-01-10 DE DE19691901056 patent/DE1901056A1/de active Pending
- 1969-01-15 NL NL6900668A patent/NL6900668A/xx unknown
- 1969-01-16 ES ES362575A patent/ES362575A1/es not_active Expired
- 1969-01-30 FR FR6901903A patent/FR2001038A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3558372A (en) | 1971-01-26 |
| FR2001038A1 (enrdf_load_stackoverflow) | 1969-09-19 |
| NL6900668A (enrdf_load_stackoverflow) | 1969-08-04 |
| DE1901056A1 (de) | 1969-08-28 |
| BE726341A (enrdf_load_stackoverflow) | 1969-05-29 |
| ES362575A1 (es) | 1970-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |