NO132450B - - Google Patents
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- Publication number
- NO132450B NO132450B NO4266/69A NO426669A NO132450B NO 132450 B NO132450 B NO 132450B NO 4266/69 A NO4266/69 A NO 4266/69A NO 426669 A NO426669 A NO 426669A NO 132450 B NO132450 B NO 132450B
- Authority
- NO
- Norway
- Prior art keywords
- powder
- mass
- pressure
- compression
- compressed
- Prior art date
Links
- 239000000843 powder Substances 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000005291 magnetic effect Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- HPYIMVBXZPJVBV-UHFFFAOYSA-N barium(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Ba+2] HPYIMVBXZPJVBV-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 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
- H01F1/04—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
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0273—Imparting anisotropy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6815510A NL6815510A (enrdf_load_stackoverflow) | 1968-10-31 | 1968-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132450B true NO132450B (enrdf_load_stackoverflow) | 1975-08-04 |
| NO132450C NO132450C (enrdf_load_stackoverflow) | 1975-11-12 |
Family
ID=19805046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4266/69A NO132450C (enrdf_load_stackoverflow) | 1968-10-31 | 1969-10-28 |
Country Status (15)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2110755A5 (enrdf_load_stackoverflow) * | 1970-10-29 | 1972-06-02 | Sermag | |
| CH616777A5 (enrdf_load_stackoverflow) * | 1975-09-23 | 1980-04-15 | Bbc Brown Boveri & Cie | |
| US4135953A (en) * | 1975-09-23 | 1979-01-23 | Bbc Brown, Boveri & Company, Limited | Permanent magnet and method of making it |
| US4104787A (en) * | 1977-03-21 | 1978-08-08 | General Motors Corporation | Forming curved wafer thin magnets from rare earth-cobalt alloy powders |
| US4851058A (en) * | 1982-09-03 | 1989-07-25 | General Motors Corporation | High energy product rare earth-iron magnet alloys |
| US4975411A (en) * | 1987-05-19 | 1990-12-04 | Fonar Corporation | Superconductors and methods of making same |
| US4990493A (en) * | 1988-09-06 | 1991-02-05 | General Electric Company | Process of making an oriented polycrystal superconductor |
| US6071357A (en) * | 1997-09-26 | 2000-06-06 | Guruswamy; Sivaraman | Magnetostrictive composites and process for manufacture by dynamic compaction |
| US20050001345A1 (en) * | 2003-04-04 | 2005-01-06 | Frank Edward A. | Method and apparatus for applying a pattern to a molded surface during manufacture |
| WO2010066251A1 (en) * | 2008-12-12 | 2010-06-17 | Sintex A/S | A permanent magnet rotor for a machine, a method for manufacturing a permanent magnet rotor and a manufacturing system |
| WO2013166687A1 (zh) * | 2012-05-10 | 2013-11-14 | 青岛云路新能源科技有限公司 | 磁粉芯的制造方法 |
| CN106493361B (zh) * | 2016-11-09 | 2018-08-21 | 董中天 | 薄膜干袋磁场等静压机 |
-
1968
- 1968-10-31 NL NL6815510A patent/NL6815510A/xx unknown
-
1969
- 1969-10-28 JP JP44085793A patent/JPS501837B1/ja active Pending
- 1969-10-28 NO NO4266/69A patent/NO132450C/no unknown
- 1969-10-28 AT AT1015269A patent/AT298207B/de not_active IP Right Cessation
- 1969-10-28 GB GB52765/69A patent/GB1243379A/en not_active Expired
- 1969-10-28 FI FI693095A patent/FI50750C/fi active
- 1969-10-28 US US871893A patent/US3615915A/en not_active Expired - Lifetime
- 1969-10-28 SE SE14746/69A patent/SE361231B/xx unknown
- 1969-10-28 CH CH1603569A patent/CH537083A/de not_active IP Right Cessation
- 1969-10-28 SU SU1371967A patent/SU436516A3/ru active
- 1969-10-28 DK DK570269AA patent/DK121447B/da unknown
- 1969-10-29 ES ES372993A patent/ES372993A1/es not_active Expired
- 1969-10-29 BE BE740983D patent/BE740983A/xx unknown
- 1969-10-30 CA CA066243A patent/CA929082A/en not_active Expired
- 1969-10-30 FR FR6937308A patent/FR2022025A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES372993A1 (es) | 1972-03-01 |
| CA929082A (en) | 1973-06-26 |
| NO132450C (enrdf_load_stackoverflow) | 1975-11-12 |
| US3615915A (en) | 1971-10-26 |
| DE1952403A1 (de) | 1970-05-06 |
| AT298207B (de) | 1972-04-25 |
| NL6815510A (enrdf_load_stackoverflow) | 1970-05-04 |
| BE740983A (enrdf_load_stackoverflow) | 1970-04-29 |
| GB1243379A (en) | 1971-08-18 |
| SU436516A3 (enrdf_load_stackoverflow) | 1974-07-15 |
| DE1952403B2 (de) | 1977-03-03 |
| CH537083A (de) | 1973-05-15 |
| FI50750C (fi) | 1976-06-10 |
| FR2022025A1 (enrdf_load_stackoverflow) | 1970-07-24 |
| SE361231B (enrdf_load_stackoverflow) | 1973-10-22 |
| JPS501837B1 (enrdf_load_stackoverflow) | 1975-01-21 |
| FI50750B (enrdf_load_stackoverflow) | 1976-03-01 |
| DK121447B (da) | 1971-10-18 |
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