GB618202A - Improvements in and relating to the anodising of aluminium or aluminium base alloys - Google Patents
Improvements in and relating to the anodising of aluminium or aluminium base alloysInfo
- Publication number
- GB618202A GB618202A GB3249446A GB3249446A GB618202A GB 618202 A GB618202 A GB 618202A GB 3249446 A GB3249446 A GB 3249446A GB 3249446 A GB3249446 A GB 3249446A GB 618202 A GB618202 A GB 618202A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- articles
- anodising
- relating
- base alloys
- 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
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- ing And Chemical Polishing (AREA)
Abstract
618,202. Etching. HUMBER, Ltd., and CLIFFORD, S. C. Nov. 1, 1946, No. 32494. [Class 100(ii)] [Also in Group XXXVI] Articles of aluminium or aluminium alloy before being anodised are subjected to the action of a bath containing hydrofluoric acid and nitric acid in solution. The articles may be treated first for the removal of surface grease, then immersed for about 30 seconds in a bath containing one part of hydrofluoric acid (50 per cent aqueous solution), two parts of nitric acid, specific gravity 1.42, and one part of water. The articles are then rinsed and subjected to the anodising process.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3249446A GB618202A (en) | 1946-11-01 | 1946-11-01 | Improvements in and relating to the anodising of aluminium or aluminium base alloys |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3249446A GB618202A (en) | 1946-11-01 | 1946-11-01 | Improvements in and relating to the anodising of aluminium or aluminium base alloys |
Publications (1)
Publication Number | Publication Date |
---|---|
GB618202A true GB618202A (en) | 1949-02-17 |
Family
ID=10339459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3249446A Expired GB618202A (en) | 1946-11-01 | 1946-11-01 | Improvements in and relating to the anodising of aluminium or aluminium base alloys |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB618202A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4801360A (en) * | 1985-06-19 | 1989-01-31 | Stc Plc | Surface treatment of aluminum/silicon alloys |
EP0514661A2 (en) * | 1991-05-21 | 1992-11-25 | JENOPTIK GmbH | Process for manufacturing oxide-ceramic surface coatings on silicon containing light metal casting alloys |
-
1946
- 1946-11-01 GB GB3249446A patent/GB618202A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4801360A (en) * | 1985-06-19 | 1989-01-31 | Stc Plc | Surface treatment of aluminum/silicon alloys |
EP0514661A2 (en) * | 1991-05-21 | 1992-11-25 | JENOPTIK GmbH | Process for manufacturing oxide-ceramic surface coatings on silicon containing light metal casting alloys |
EP0514661A3 (en) * | 1991-05-21 | 1993-04-28 | Jenoptik Gmbh | Process for manufacturing oxide-ceramic surface coatings on silicon containing light metal casting alloys |
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