GB897279A - Corrosion resistant metal coatings - Google Patents
Corrosion resistant metal coatingsInfo
- Publication number
- GB897279A GB897279A GB3931/61A GB393161A GB897279A GB 897279 A GB897279 A GB 897279A GB 3931/61 A GB3931/61 A GB 3931/61A GB 393161 A GB393161 A GB 393161A GB 897279 A GB897279 A GB 897279A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nickel
- copper
- mil
- corrosion resistant
- resistant 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
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/623—Porosity of the layers
-
- 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
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
-
- 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 Methods And Accessories (AREA)
Abstract
897,279. Metal plating baths. HARSHAW CHEMICAL CO. Feb. 2, 1961 [Feb. 29, 1960], No. 3931/61. Class 41. Base metals Al, Zn, Fe are plated electrolytically by first a flash coat of copper or nickel, followed by a coating of nickel/copper alloy, and a final coat of nickel. There may be added a further plating of chromium. Preferred coating thicknesses are, copper 0.05 to 0.3 mil., Cu/Ni 0.3 to 1 mil., Ni 0.2 to 1 mil. The copper/nickel alloy contains 30% to 75% of nickel. The plating solution may include the di-hexyl ester of sodium sulphosuccinic acid, and sodium citrate. U.S.A. Specification 1,750,092 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US897279XA | 1960-02-29 | 1960-02-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB897279A true GB897279A (en) | 1962-05-23 |
Family
ID=22219303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3931/61A Expired GB897279A (en) | 1960-02-29 | 1961-02-02 | Corrosion resistant metal coatings |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1174128B (en) |
GB (1) | GB897279A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245283A (en) * | 1990-06-21 | 1992-01-02 | Canadian Mint | Electroplated coin blanks |
US5139886A (en) * | 1990-06-21 | 1992-08-18 | Royal Canadian Mint | Coins coated with nickel, copper and nickel |
US5151167A (en) * | 1990-06-21 | 1992-09-29 | Royal Canadian Mint | Coins coated with nickel, copper and nickel and process for making such coins |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB700535A (en) * | 1950-08-21 | 1953-12-02 | Arthur Leslie Peach | Improvements relating to electro-plating, more particularly of ferrous-metal surfaces |
US2676917A (en) * | 1952-05-15 | 1954-04-27 | Rockwell Spring & Axle Co | Method of making corrosion resistant articles having a bright surface |
-
1961
- 1961-02-02 GB GB3931/61A patent/GB897279A/en not_active Expired
- 1961-02-07 DE DEH41668A patent/DE1174128B/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245283A (en) * | 1990-06-21 | 1992-01-02 | Canadian Mint | Electroplated coin blanks |
US5139886A (en) * | 1990-06-21 | 1992-08-18 | Royal Canadian Mint | Coins coated with nickel, copper and nickel |
US5151167A (en) * | 1990-06-21 | 1992-09-29 | Royal Canadian Mint | Coins coated with nickel, copper and nickel and process for making such coins |
GB2245283B (en) * | 1990-06-21 | 1994-12-14 | Canadian Mint | Coins coated with nickel, copper and nickel and process for making such coins |
Also Published As
Publication number | Publication date |
---|---|
DE1174128B (en) | 1964-07-16 |
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