ES2176083B1 - Procedimiento para la obtencion de oxido de cinc con aditivos para la fabricacion de ceramicas no ohmicas. - Google Patents
Procedimiento para la obtencion de oxido de cinc con aditivos para la fabricacion de ceramicas no ohmicas.Info
- Publication number
- ES2176083B1 ES2176083B1 ES200001408A ES200001408A ES2176083B1 ES 2176083 B1 ES2176083 B1 ES 2176083B1 ES 200001408 A ES200001408 A ES 200001408A ES 200001408 A ES200001408 A ES 200001408A ES 2176083 B1 ES2176083 B1 ES 2176083B1
- Authority
- ES
- Spain
- Prior art keywords
- additives
- ohmic
- procedure
- manufacture
- ceramics
- 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
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Catalysts (AREA)
Abstract
Procedimiento para la obtención de óxido de cinc con aditivos para la fabricación de cerámicas no óhmicas. Describe un procedimiento que permite obtener polvo cerámico basado en óxido en cinc para la fabricación de materiales cerámicos no óhmicos. El control de los compuestos intermedios a través de los parámetros de la precipitación, permite obtener aglomerados esféricos de nanopartículas de ZnO y un tratamiento térmico posterior. Las partículas de ZnO obtenidas se suspenden en una disolución acuosa, y en ciertas condiciones de pH, se precipitan sobre ellas bismuto, antimonio, manganeso como aditivos principales. Posteriormente el polvo se somete a un tratamiento térmico y finalmente, mediante un proceso de turbinado a alta velocidad en medio acuoso, se incorporan otros aditivos como Co, Nb, Sn, Ni, Cr, Si, Al a partir de sus respectivos óxidos con tamaño de partícula submicrónico.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200001408A ES2176083B1 (es) | 2000-06-02 | 2000-06-02 | Procedimiento para la obtencion de oxido de cinc con aditivos para la fabricacion de ceramicas no ohmicas. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200001408A ES2176083B1 (es) | 2000-06-02 | 2000-06-02 | Procedimiento para la obtencion de oxido de cinc con aditivos para la fabricacion de ceramicas no ohmicas. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2176083A1 ES2176083A1 (es) | 2002-11-16 |
| ES2176083B1 true ES2176083B1 (es) | 2004-01-16 |
Family
ID=8493773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200001408A Expired - Fee Related ES2176083B1 (es) | 2000-06-02 | 2000-06-02 | Procedimiento para la obtencion de oxido de cinc con aditivos para la fabricacion de ceramicas no ohmicas. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2176083B1 (es) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610722A (en) * | 1985-01-31 | 1986-09-09 | Amax Inc. | Process for metal recovery from steel plant dust |
| US5505865A (en) * | 1989-07-11 | 1996-04-09 | Charles Stark Draper Laboratory, Inc. | Synthesis process for advanced ceramics |
| US5143711A (en) * | 1989-12-05 | 1992-09-01 | Asea Brown Boveri Ltd. | Process for manufacturing a precursor powder for use in making a varistor and a powder manufactured in this process |
-
2000
- 2000-06-02 ES ES200001408A patent/ES2176083B1/es not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2176083A1 (es) | 2002-11-16 |
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Legal Events
| Date | Code | Title | Description |
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