DE3812356C2 - - Google Patents
Info
- Publication number
- DE3812356C2 DE3812356C2 DE3812356A DE3812356A DE3812356C2 DE 3812356 C2 DE3812356 C2 DE 3812356C2 DE 3812356 A DE3812356 A DE 3812356A DE 3812356 A DE3812356 A DE 3812356A DE 3812356 C2 DE3812356 C2 DE 3812356C2
- Authority
- DE
- Germany
- Prior art keywords
- particles
- electrode
- sintered
- field
- mold
- 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 - Fee Related
Links
- 239000002245 particle Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000005245 sintering Methods 0.000 claims abstract description 23
- 230000005686 electrostatic field Effects 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000010954 inorganic particle Substances 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 2
- 239000010431 corundum Substances 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 230000005684 electric field Effects 0.000 claims description 2
- 239000012811 non-conductive material Substances 0.000 claims 2
- 238000012856 packing Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- -1 Si 3 N 4 ) Chemical class 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 238000003826 uniaxial pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B22F3/004—Filling molds with powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Ceramic Products (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3812356A DE3812356A1 (de) | 1988-04-11 | 1988-04-11 | Verfahren und vorrichtung zur herstellung von keramischen formkoerpern und hiermit hergestellte formkoerper |
| EP89730099A EP0337930B1 (de) | 1988-04-11 | 1989-04-10 | Verfahren und Vorrichtung zur Herstellung von keramischen Formkörpern |
| AT89730099T ATE88687T1 (de) | 1988-04-11 | 1989-04-10 | Verfahren und vorrichtung zur herstellung von keramischen formkoerpern. |
| DE8989730099T DE58904177D1 (de) | 1988-04-11 | 1989-04-10 | Verfahren und vorrichtung zur herstellung von keramischen formkoerpern. |
| ES198989730099T ES2041032T3 (es) | 1988-04-11 | 1989-04-10 | Procedimiento y dispositivo para la fabricacion de cuerpos moldeados ceramicos. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3812356A DE3812356A1 (de) | 1988-04-11 | 1988-04-11 | Verfahren und vorrichtung zur herstellung von keramischen formkoerpern und hiermit hergestellte formkoerper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3812356A1 DE3812356A1 (de) | 1989-10-19 |
| DE3812356C2 true DE3812356C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-02-08 |
Family
ID=6351931
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3812356A Granted DE3812356A1 (de) | 1988-04-11 | 1988-04-11 | Verfahren und vorrichtung zur herstellung von keramischen formkoerpern und hiermit hergestellte formkoerper |
| DE8989730099T Expired - Fee Related DE58904177D1 (de) | 1988-04-11 | 1989-04-10 | Verfahren und vorrichtung zur herstellung von keramischen formkoerpern. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8989730099T Expired - Fee Related DE58904177D1 (de) | 1988-04-11 | 1989-04-10 | Verfahren und vorrichtung zur herstellung von keramischen formkoerpern. |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010002259A1 (de) * | 2010-02-23 | 2011-08-25 | Robert Bosch GmbH, 70469 | Verfahren und Vorrichtung zum Verbinden von Partikeln mit einem Substrat |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3387972A (en) * | 1964-01-27 | 1968-06-11 | Inoue Kiyoshi | Method of and apparatus for bonding together metallic bodies |
| FR2343818A1 (fr) * | 1976-03-10 | 1977-10-07 | Air Ind | Procede et installation d'emaillage par poudrage electrostatique |
| GB2000990A (en) * | 1977-07-15 | 1979-01-24 | British Steel Corp | Electrostatic deposition of metals |
| DE3248537C2 (de) * | 1982-12-29 | 1986-10-23 | Erich 8500 Nürnberg Rabe | Sinterformkörper auf der Basis von Quarzsand sowie Verfahren und Vorrichtung zu ihrer Herstellung |
-
1988
- 1988-04-11 DE DE3812356A patent/DE3812356A1/de active Granted
-
1989
- 1989-04-10 DE DE8989730099T patent/DE58904177D1/de not_active Expired - Fee Related
- 1989-04-10 ES ES198989730099T patent/ES2041032T3/es not_active Expired - Lifetime
- 1989-04-10 EP EP89730099A patent/EP0337930B1/de not_active Expired - Lifetime
- 1989-04-10 AT AT89730099T patent/ATE88687T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2041032T3 (es) | 1993-11-01 |
| ATE88687T1 (de) | 1993-05-15 |
| EP0337930A2 (de) | 1989-10-18 |
| EP0337930B1 (de) | 1993-04-28 |
| EP0337930A3 (en) | 1990-11-28 |
| DE3812356A1 (de) | 1989-10-19 |
| DE58904177D1 (de) | 1993-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SALZGITTER AG, 1000 BERLIN UND 3320 SALZGITTER, DE |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: PREUSSAG AG, 3000 HANNOVER UND 1000 BERLIN, DE |
|
| 8339 | Ceased/non-payment of the annual fee |