RO94238B1 - Procedeu pentru pasivarea neagra a depunerilor de zinc sau cadmiu - Google Patents
Procedeu pentru pasivarea neagra a depunerilor de zinc sau cadmiuInfo
- Publication number
- RO94238B1 RO94238B1 RO124782A RO12478286A RO94238B1 RO 94238 B1 RO94238 B1 RO 94238B1 RO 124782 A RO124782 A RO 124782A RO 12478286 A RO12478286 A RO 12478286A RO 94238 B1 RO94238 B1 RO 94238B1
- Authority
- RO
- Romania
- Prior art keywords
- zinc
- cadmium
- depositions
- black passivation
- passivation
- Prior art date
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052793 cadmium Inorganic materials 0.000 title abstract 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000002161 passivation Methods 0.000 title abstract 2
- 229910052725 zinc Inorganic materials 0.000 title abstract 2
- 239000011701 zinc Substances 0.000 title abstract 2
- 238000000151 deposition Methods 0.000 title 1
- 230000008021 deposition Effects 0.000 title 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 150000003464 sulfur compounds Chemical class 0.000 abstract 1
Landscapes
- Chemical Treatment Of Metals (AREA)
- Formation Of Insulating Films (AREA)
- Photovoltaic Devices (AREA)
Abstract
Prezenta inventie se refera la un procedeu pentru pasivarea neagra a depunerilor de zinc si cadmiu, utilizând solutii care contin crom monovalent, agenti stabilizanti, acceleratori si ioni metalici, dupa care are loc un postratament prin imersie într-o solutie continând compusi cu sulf activ. Se obtin pelicule rezistente la coroziune, cu duritate ridicata, aderente, stabile în timp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO124782A RO94238B1 (ro) | 1986-09-17 | 1986-09-17 | Procedeu pentru pasivarea neagra a depunerilor de zinc sau cadmiu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO124782A RO94238B1 (ro) | 1986-09-17 | 1986-09-17 | Procedeu pentru pasivarea neagra a depunerilor de zinc sau cadmiu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO94238A2 RO94238A2 (ro) | 1988-03-30 |
| RO94238B1 true RO94238B1 (ro) | 1988-04-01 |
Family
ID=20119838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO124782A RO94238B1 (ro) | 1986-09-17 | 1986-09-17 | Procedeu pentru pasivarea neagra a depunerilor de zinc sau cadmiu |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO94238B1 (ro) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2727983B1 (fr) * | 1994-12-07 | 1997-01-24 | Atotech France | Bain de chromatation et procede pour la finition de surfaces de zinc, d'alliage de zinc, ou de cadmium |
| LT4224B (en) | 1995-12-29 | 1997-10-27 | Chemijos Inst | Method for a formation of chromatic black films on the surface of zinc |
-
1986
- 1986-09-17 RO RO124782A patent/RO94238B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO94238A2 (ro) | 1988-03-30 |
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