RO81141B - PROCEDEU SI DISPOZITIV DE PROTECTIE A PARTILOR METALICE îN CURSUL METALIZARII CHIMICE - Google Patents
PROCEDEU SI DISPOZITIV DE PROTECTIE A PARTILOR METALICE îN CURSUL METALIZARII CHIMICEInfo
- Publication number
- RO81141B RO81141B RO102488A RO10248880A RO81141B RO 81141 B RO81141 B RO 81141B RO 102488 A RO102488 A RO 102488A RO 10248880 A RO10248880 A RO 10248880A RO 81141 B RO81141 B RO 81141B
- Authority
- RO
- Romania
- Prior art keywords
- potential
- parts during
- reference electrode
- metal parts
- during chemical
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000002184 metal Substances 0.000 title abstract 3
- 229910052751 metal Inorganic materials 0.000 title abstract 3
- 239000000126 substance Substances 0.000 title abstract 3
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000001465 metallisation Methods 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 230000010287 polarization Effects 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1619—Apparatus for electroless plating
- C23C18/1621—Protection of inner surfaces of the apparatus
- C23C18/1623—Protection of inner surfaces of the apparatus through electrochemical processes
Landscapes
- Chemical & Material Sciences (AREA)
- Electrochemistry (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)
- Electroplating Methods And Accessories (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
Inventia se refera la un procedeu si un dispozitiv de protectie a partilor metalice, în cursul procesului de metalizare chimica si, în special, de nichelare, aplicate în instalatiile pentru metalizare chimica. procedeul conform inventiei, prevede folosirea unui curent electric care circula între partile metalice supuse protectiei si un electrod de referinta care este imersat în solutia de metalizare, curentul fiind asigurat de o sursa de impulsuri de tensiune unipolara cu intervale zero de amplitudine ce depaseste potentialul selectat dintre valorile de prepasivare ale curbei de polarizare a metalului respectiv, impulsurile de tensiune fiind întrerupte cînd potentialul între electrodul de referinta si partile metalice masurat în timpul intervalelor de zero, depaseste o anumita valoare prescrisa în sirul de prepasivare, impulsurile de tensiune fiind aplicate ori de cîte ori potentialul devine mai mic ca valoare prescrisa în domeniul pasiv al curbei de polarizare.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG7945377A BG30252A1 (en) | 1979-11-02 | 1979-11-02 | Method and apparatus for metal prevention of chemical metallization,especially from nickel plating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81141B true RO81141B (ro) | 1983-01-30 |
| RO81141A RO81141A (ro) | 1983-02-01 |
Family
ID=3906667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO80102488A RO81141A (ro) | 1979-11-02 | 1980-11-01 | Procedeu si dispozitiv de protectie a partilor metalice in cursul metalizarii chimice |
Country Status (7)
| Country | Link |
|---|---|
| BG (1) | BG30252A1 (ro) |
| DD (1) | DD160836A3 (ro) |
| DE (1) | DE3041129A1 (ro) |
| FR (1) | FR2468657A1 (ro) |
| GB (1) | GB2064179B (ro) |
| IT (1) | IT1145419B (ro) |
| RO (1) | RO81141A (ro) |
-
1979
- 1979-11-02 BG BG7945377A patent/BG30252A1/xx unknown
-
1980
- 1980-10-23 IT IT8049979A patent/IT1145419B/it active
- 1980-10-27 DD DD80224783A patent/DD160836A3/xx not_active IP Right Cessation
- 1980-10-31 DE DE19803041129 patent/DE3041129A1/de not_active Withdrawn
- 1980-10-31 FR FR8023301A patent/FR2468657A1/fr active Granted
- 1980-11-01 RO RO80102488A patent/RO81141A/ro unknown
- 1980-11-03 GB GB8035240A patent/GB2064179B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2064179B (en) | 1983-10-26 |
| DD160836A3 (de) | 1984-04-11 |
| RO81141A (ro) | 1983-02-01 |
| FR2468657A1 (fr) | 1981-05-08 |
| DE3041129A1 (de) | 1981-05-14 |
| FR2468657B3 (ro) | 1982-08-13 |
| IT1145419B (it) | 1986-11-05 |
| IT8049979A0 (it) | 1980-10-23 |
| GB2064179A (en) | 1981-06-10 |
| BG30252A1 (en) | 1981-05-15 |
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