GB771501A - Improvements in or relating to hot-dip coating with aluminium or aluminium alloys - Google Patents
Improvements in or relating to hot-dip coating with aluminium or aluminium alloysInfo
- Publication number
- GB771501A GB771501A GB3543854A GB3543854A GB771501A GB 771501 A GB771501 A GB 771501A GB 3543854 A GB3543854 A GB 3543854A GB 3543854 A GB3543854 A GB 3543854A GB 771501 A GB771501 A GB 771501A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- bath
- alloys
- hot
- 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
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Abstract
Metal is coated by a hot-dipping process with aluminium or one of its alloys in the absence of a flux or a protective atmosphere, by introducing one or both of Na or K into the bath in a minor amount. From 0.001 to 0.10 per cent of Na or K can be maintained in the bath or it may be fully saturated with the metal. The Na or K may be added below the surface as a liquid, a vapour, wrapped in Al foil, or as a master alloy. The metals to which the process is applicable are those forming an interfacial layer when dipped in the bath e.g. ferrous metals, Cr, Co, Mo, Ni, Ta, Ti, W, V, Zr, and their alloys. The following metals can be alloyed with the Al in the coating bath:- Be, Ce, Cr, Cu, Co, Mg, Mo, Si, Ti, V, and Zn. De-greasing, pickling or sand-blasting are preferably used to clean the metal before dipping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3543854A GB771501A (en) | 1954-12-07 | 1954-12-07 | Improvements in or relating to hot-dip coating with aluminium or aluminium alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3543854A GB771501A (en) | 1954-12-07 | 1954-12-07 | Improvements in or relating to hot-dip coating with aluminium or aluminium alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB771501A true GB771501A (en) | 1957-04-03 |
Family
ID=10377726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3543854A Expired GB771501A (en) | 1954-12-07 | 1954-12-07 | Improvements in or relating to hot-dip coating with aluminium or aluminium alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB771501A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952120A (en) | 1974-05-31 | 1976-04-20 | Bethlehem Steel Corporation | Aluminum-zinc coated low-alloy ferrous product and method |
| GB2262540A (en) * | 1991-12-20 | 1993-06-23 | Rmi Titanium Co | Enhancement of hot workability of titanium alloy by coating with titanium |
| US20160319446A1 (en) * | 2014-01-24 | 2016-11-03 | Xiamen New Steel Metal Products Co.,Ltd. | Galvanized coating layer production line |
-
1954
- 1954-12-07 GB GB3543854A patent/GB771501A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952120A (en) | 1974-05-31 | 1976-04-20 | Bethlehem Steel Corporation | Aluminum-zinc coated low-alloy ferrous product and method |
| GB2262540A (en) * | 1991-12-20 | 1993-06-23 | Rmi Titanium Co | Enhancement of hot workability of titanium alloy by coating with titanium |
| US5298095A (en) * | 1991-12-20 | 1994-03-29 | Rmi Titanium Company | Enhancement of hot workability of titanium base alloy by use of thermal spray coatings |
| GB2262540B (en) * | 1991-12-20 | 1995-08-30 | Rmi Titanium Co | Enhancement of hot workability by use of thermal spray coatings |
| US20160319446A1 (en) * | 2014-01-24 | 2016-11-03 | Xiamen New Steel Metal Products Co.,Ltd. | Galvanized coating layer production line |
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