GB1346498A - Process for the preparation of a permanently magnetizable powder - Google Patents
Process for the preparation of a permanently magnetizable powderInfo
- Publication number
- GB1346498A GB1346498A GB1555071A GB1555071A GB1346498A GB 1346498 A GB1346498 A GB 1346498A GB 1555071 A GB1555071 A GB 1555071A GB 1555071 A GB1555071 A GB 1555071A GB 1346498 A GB1346498 A GB 1346498A
- Authority
- GB
- United Kingdom
- Prior art keywords
- preparation
- silica particles
- permanently magnetizable
- magnetizable powder
- calcined
- 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
- 239000000843 powder Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910004298 SiO 2 Inorganic materials 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
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
- H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
- H01F1/111—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a non-magnetic core
-
- 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
- H01F1/063—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 with a non magnetic core
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7007497A NL166354C (nl) | 1970-05-23 | 1970-05-23 | Werkwijze voor het bereiden van een ten minste een van de metalen kobalt, nikkel en ijzer bevattend poeder. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1346498A true GB1346498A (en) | 1974-02-13 |
Family
ID=19810142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1555071A Expired GB1346498A (en) | 1970-05-23 | 1971-05-18 | Process for the preparation of a permanently magnetizable powder |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5146277B1 (cg-RX-API-DMAC7.html) |
| BE (1) | BE767481A (cg-RX-API-DMAC7.html) |
| CA (1) | CA945459A (cg-RX-API-DMAC7.html) |
| CH (1) | CH556600A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2125396A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2093629A5 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1346498A (cg-RX-API-DMAC7.html) |
| NL (1) | NL166354C (cg-RX-API-DMAC7.html) |
-
1970
- 1970-05-23 NL NL7007497A patent/NL166354C/xx not_active IP Right Cessation
-
1971
- 1971-05-18 GB GB1555071A patent/GB1346498A/en not_active Expired
- 1971-05-19 CH CH740071A patent/CH556600A/xx not_active IP Right Cessation
- 1971-05-21 CA CA113,617A patent/CA945459A/en not_active Expired
- 1971-05-21 BE BE767481A patent/BE767481A/xx unknown
- 1971-05-21 DE DE19712125396 patent/DE2125396A1/de not_active Ceased
- 1971-05-24 FR FR7118584A patent/FR2093629A5/fr not_active Expired
- 1971-05-24 JP JP46035448A patent/JPS5146277B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL166354B (nl) | 1981-02-16 |
| DE2125396A1 (de) | 1971-12-09 |
| CH556600A (de) | 1974-11-29 |
| BE767481A (fr) | 1971-11-22 |
| NL7007497A (cg-RX-API-DMAC7.html) | 1971-11-25 |
| CA945459A (en) | 1974-04-16 |
| NL166354C (nl) | 1981-07-15 |
| JPS5146277B1 (cg-RX-API-DMAC7.html) | 1976-12-08 |
| FR2093629A5 (cg-RX-API-DMAC7.html) | 1972-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |