GB819352A - Electro-plating of aluminium and aluminium base alloys - Google Patents
Electro-plating of aluminium and aluminium base alloysInfo
- Publication number
- GB819352A GB819352A GB32324/55A GB3232455A GB819352A GB 819352 A GB819352 A GB 819352A GB 32324/55 A GB32324/55 A GB 32324/55A GB 3232455 A GB3232455 A GB 3232455A GB 819352 A GB819352 A GB 819352A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copper
- aluminium
- plated
- added
- metal
- 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
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/42—Pretreatment of metallic surfaces to be electroplated of light metals
- C25D5/44—Aluminium
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)
- Electroplating Methods And Accessories (AREA)
Abstract
819,352. Electroplating on aluminium with copper. MINISTER OF NATIONAL DEFENCE OF HER MAJESTY'S CANADIAN GOVERNMENT. Nov. 11, 1955 [Nov. 12, 1954], No. 32324/55. Class 41. Cleaned aluminium and aluminium base alloys are cathodically plated with copper, using a soluble anode composed at least mainly of copper, from a bath of pH not above 4, the anions of which consistitute a pickling agent for the metal plated upon and the bath containing copper in solution whereby the oxide on the surface of the metal to be plated upon is removed with at most very minor attack on the metal itself. A modifying agent, e.g. a fluoride, may be added to render the coppercontaining pickling solution sufficiently aggressive. Complexing agents, e.g. of the chelate type may be added to control the free copper ion concentration and wetting agents, brighteners, and buffers may also be added. Prior to plating the aluminium or alloy is cleaned by immersion, e.g. in an aqueous solution of sodium carbonate and trisodium phosphate with or without a preliminary solvent degreasing, followed by a water rinse. Typical baths contain copper sulphate or copper nitrate, with or without excess sulphuric or nitric acid, citric acid, and optionally potassium fluoride or ammonium bifluoride.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US819352XA | 1954-11-12 | 1954-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB819352A true GB819352A (en) | 1959-09-02 |
Family
ID=22167343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32324/55A Expired GB819352A (en) | 1954-11-12 | 1955-11-11 | Electro-plating of aluminium and aluminium base alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB819352A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3564413A4 (en) * | 2016-12-27 | 2020-08-12 | Furukawa Electric Co., Ltd. | Surface treatment material and method for manufacturing same, and article fabricated using surface treatment material |
-
1955
- 1955-11-11 GB GB32324/55A patent/GB819352A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3564413A4 (en) * | 2016-12-27 | 2020-08-12 | Furukawa Electric Co., Ltd. | Surface treatment material and method for manufacturing same, and article fabricated using surface treatment material |
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