RO100476A2 - Procedeu pentru pasivarea aliajelor cupru-zinc-nichel - Google Patents
Procedeu pentru pasivarea aliajelor cupru-zinc-nichelInfo
- Publication number
- RO100476A2 RO100476A2 RO107974A RO10797482A RO100476A2 RO 100476 A2 RO100476 A2 RO 100476A2 RO 107974 A RO107974 A RO 107974A RO 10797482 A RO10797482 A RO 10797482A RO 100476 A2 RO100476 A2 RO 100476A2
- Authority
- RO
- Romania
- Prior art keywords
- allooys
- nickel
- zinc
- copper
- passivating process
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- KOMIMHZRQFFCOR-UHFFFAOYSA-N [Ni].[Cu].[Zn] Chemical compound [Ni].[Cu].[Zn] KOMIMHZRQFFCOR-UHFFFAOYSA-N 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 235000011167 hydrochloric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO107974A RO100476B1 (ro) | 1982-06-24 | 1982-06-24 | Procedeu pentru pasivarea aliajelor cupru-zinc-nichel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO107974A RO100476B1 (ro) | 1982-06-24 | 1982-06-24 | Procedeu pentru pasivarea aliajelor cupru-zinc-nichel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO100476A2 true RO100476A2 (ro) | 1990-09-03 |
| RO100476B1 RO100476B1 (ro) | 1991-01-31 |
Family
ID=20111750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO107974A RO100476B1 (ro) | 1982-06-24 | 1982-06-24 | Procedeu pentru pasivarea aliajelor cupru-zinc-nichel |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO100476B1 (ro) |
-
1982
- 1982-06-24 RO RO107974A patent/RO100476B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO100476B1 (ro) | 1991-01-31 |
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