GB736107A - An electro-nickel plating process - Google Patents
An electro-nickel plating processInfo
- Publication number
- GB736107A GB736107A GB32721/52A GB3272152A GB736107A GB 736107 A GB736107 A GB 736107A GB 32721/52 A GB32721/52 A GB 32721/52A GB 3272152 A GB3272152 A GB 3272152A GB 736107 A GB736107 A GB 736107A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rectifier
- wave
- nickel
- resistance
- branches
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/18—Electroplating using modulated, pulsed or reversing current
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
736,107. Electrolytically depositing nickel. WILMOT-BREEDEN, Ltd. July 6, 1953 [Dec. 24, 1952], No. 32721/52. Class 41. In a process for the electrodeposition of nickel an asymmetric alternating current is used which is rendered asymmetrical by means including a rectifier and a resistance arranged in parallel, the larger half-wave effecting the deposition and the smaller removing a part of the deposit. An anode b is connected to a transformer a by a circuit containing two branches in parallel. One branch includes a rectifier d, and the other includes an oppositely acting rectifier e in series with a variable resistance f. A variable resistance g is in series with both branches ; h, an article to be plated, is connected directly to the transformer a. The half-wave which deposits nickel passes through rectifier d, and the half-wave which partially removes nickel passes through rectifier e, the value of this latter half-wave being determined by resistance f. Best results are obtained if the bath contains a trace of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32721/52A GB736107A (en) | 1952-12-24 | 1952-12-24 | An electro-nickel plating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32721/52A GB736107A (en) | 1952-12-24 | 1952-12-24 | An electro-nickel plating process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB736107A true GB736107A (en) | 1955-08-31 |
Family
ID=10343027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32721/52A Expired GB736107A (en) | 1952-12-24 | 1952-12-24 | An electro-nickel plating process |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB736107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026781A (en) * | 1969-08-07 | 1977-05-31 | Scionics Of California Inc. | Anodizing means and techniques |
-
1952
- 1952-12-24 GB GB32721/52A patent/GB736107A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026781A (en) * | 1969-08-07 | 1977-05-31 | Scionics Of California Inc. | Anodizing means and techniques |
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