DE2635851C3 - Verfahren zur Herstellung von Magnetitgegenständen - Google Patents
Verfahren zur Herstellung von MagnetitgegenständenInfo
- Publication number
- DE2635851C3 DE2635851C3 DE2635851A DE2635851A DE2635851C3 DE 2635851 C3 DE2635851 C3 DE 2635851C3 DE 2635851 A DE2635851 A DE 2635851A DE 2635851 A DE2635851 A DE 2635851A DE 2635851 C3 DE2635851 C3 DE 2635851C3
- Authority
- DE
- Germany
- Prior art keywords
- preform
- magnetite
- neutral
- heated
- furnace
- 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
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 9
- 239000000843 powder Substances 0.000 claims description 14
- 238000005056 compaction Methods 0.000 claims description 11
- 230000007935 neutral effect Effects 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 229910052756 noble gas Inorganic materials 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Soft Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Magnetic Ceramics (AREA)
- Developing Agents For Electrophotography (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Thin Magnetic Films (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7510541 | 1975-09-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2635851A1 DE2635851A1 (de) | 1977-03-24 |
| DE2635851B2 DE2635851B2 (de) | 1978-07-20 |
| DE2635851C3 true DE2635851C3 (de) | 1979-04-12 |
Family
ID=20325605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2635851A Expired DE2635851C3 (de) | 1975-09-19 | 1976-08-10 | Verfahren zur Herstellung von Magnetitgegenständen |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5238515A (enExample) |
| DD (1) | DD126273A5 (enExample) |
| DE (1) | DE2635851C3 (enExample) |
| DK (1) | DK147447C (enExample) |
| FR (1) | FR2324591A2 (enExample) |
| GB (1) | GB1499229A (enExample) |
| IT (1) | IT1065810B (enExample) |
| NL (1) | NL7609566A (enExample) |
| NO (1) | NO143304C (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL81512A0 (en) * | 1986-02-12 | 1987-09-16 | Dow Chemical Co | Novel method for producing ceramic bodies |
| JP5276837B2 (ja) * | 2007-12-17 | 2013-08-28 | 株式会社神戸製鋼所 | マグネタイトバルク材の製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2106793A5 (en) * | 1970-09-24 | 1972-05-05 | Corning Glass Works | High temperature gas pressing ceramics and - metals |
| US3732056A (en) * | 1971-09-01 | 1973-05-08 | Gen Motors Corp | Apparatus for hot pressing oxide ceramics in a controlled oxygen atmosphere |
| JPS5546991B2 (enExample) * | 1974-10-21 | 1980-11-27 |
-
1976
- 1976-08-10 DE DE2635851A patent/DE2635851C3/de not_active Expired
- 1976-08-27 NL NL7609566A patent/NL7609566A/xx not_active Application Discontinuation
- 1976-08-31 IT IT26714/76A patent/IT1065810B/it active
- 1976-09-06 NO NO763055A patent/NO143304C/no unknown
- 1976-09-09 GB GB37489/76A patent/GB1499229A/en not_active Expired
- 1976-09-16 DK DK417576A patent/DK147447C/da not_active IP Right Cessation
- 1976-09-17 FR FR7628107A patent/FR2324591A2/fr active Granted
- 1976-09-17 JP JP51110920A patent/JPS5238515A/ja active Granted
- 1976-09-17 DD DD194851A patent/DD126273A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2324591A2 (fr) | 1977-04-15 |
| NO143304B (no) | 1980-10-06 |
| DK147447C (da) | 1985-02-25 |
| IT1065810B (it) | 1985-03-04 |
| NO143304C (no) | 1981-01-14 |
| DK147447B (da) | 1984-08-13 |
| DD126273A5 (enExample) | 1977-07-06 |
| DK417576A (da) | 1977-03-20 |
| GB1499229A (en) | 1978-01-25 |
| JPS573628B2 (enExample) | 1982-01-22 |
| DE2635851A1 (de) | 1977-03-24 |
| NO763055L (no) | 1977-03-22 |
| NL7609566A (nl) | 1977-03-22 |
| JPS5238515A (en) | 1977-03-25 |
| FR2324591B2 (enExample) | 1979-04-20 |
| DE2635851B2 (de) | 1978-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |