DE2145347A1 - Dauermagnet, und Verfahren fur seine Herstellung - Google Patents
Dauermagnet, und Verfahren fur seine HerstellungInfo
- Publication number
- DE2145347A1 DE2145347A1 DE19712145347 DE2145347A DE2145347A1 DE 2145347 A1 DE2145347 A1 DE 2145347A1 DE 19712145347 DE19712145347 DE 19712145347 DE 2145347 A DE2145347 A DE 2145347A DE 2145347 A1 DE2145347 A1 DE 2145347A1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- permanent magnet
- field
- alp
- magnetization
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 230000005291 magnetic effect Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 7
- 230000007423 decrease Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 235000000010 nanu Nutrition 0.000 description 1
- 244000082862 nanu Species 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- 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
- H01F1/012—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7033133A FR2105565A5 (enrdf_load_stackoverflow) | 1970-09-11 | 1970-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2145347A1 true DE2145347A1 (de) | 1972-03-16 |
Family
ID=9061223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712145347 Pending DE2145347A1 (de) | 1970-09-11 | 1971-09-10 | Dauermagnet, und Verfahren fur seine Herstellung |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2145347A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2105565A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1347726A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60204852A (ja) * | 1984-03-30 | 1985-10-16 | Tokyo Inst Of Technol | 磁気冷凍用磁性材料 |
-
1970
- 1970-09-11 FR FR7033133A patent/FR2105565A5/fr not_active Expired
-
1971
- 1971-08-16 GB GB3830171A patent/GB1347726A/en not_active Expired
- 1971-09-10 DE DE19712145347 patent/DE2145347A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1347726A (en) | 1974-02-27 |
| FR2105565A5 (enrdf_load_stackoverflow) | 1972-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |