GB574737A - Improvements in or relating to metallic coatings on iron and steel - Google Patents
Improvements in or relating to metallic coatings on iron and steelInfo
- Publication number
- GB574737A GB574737A GB372942A GB372942A GB574737A GB 574737 A GB574737 A GB 574737A GB 372942 A GB372942 A GB 372942A GB 372942 A GB372942 A GB 372942A GB 574737 A GB574737 A GB 574737A
- Authority
- GB
- United Kingdom
- Prior art keywords
- metals
- porous
- iron
- halide
- coating
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
- C23C16/08—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metal halides
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemically Coating (AREA)
Abstract
574,737. Coating metals ; cementation. SAMUEL, R. L. March 20, 1942, No. 3729. [Classes 72 and 82 (ii)] In the production of metallic coatings on iron or steel, the latter is heated to 5SO-1250‹ C. with an agent comprising a porous heat-resist. ing substance containing on its surface and in its pores a compact and adhesive layer containing a halide or halides of manganese, nickel, cobalt, copper, tin, niobium, tantalum, tungsten, molybdenum, vanadium, titanium and/or zirconium in an atmosphere of hydrogen or other gas, e.g. acetylene, which does not react with the iron &c. except by carburization or decarburization. Where the coating metal is nickel, cobalt, copper or tin, the agent is prepared by impregnating the porous substance with a solution of a halide, preferably a chloride, of the metal and when the other metals are used by impregnating the porous substance with, a solution of a highly soluble sodium potassium or ammonium salt of the metal and reducing it by heating with a hydrogen halide at an elevated temperature. The porous substance may consist of fragments of porcelain, ceramic, pottery, earthenware or slag. Coatings containing two or more of the above metals or one of the above metals with chromium may be made by producing porous substances containing mixtures of the halides of the metals concerned. If the heating takes place in an atmosphere of acetylene, part of the coating may be in the form of a carbide. Specifications 572,703 and 3077.5/38, as open to inspection under Sect. 91, are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB372942A GB574737A (en) | 1942-03-20 | 1942-03-20 | Improvements in or relating to metallic coatings on iron and steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB372942A GB574737A (en) | 1942-03-20 | 1942-03-20 | Improvements in or relating to metallic coatings on iron and steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB574737A true GB574737A (en) | 1946-01-18 |
Family
ID=9763848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB372942A Expired GB574737A (en) | 1942-03-20 | 1942-03-20 | Improvements in or relating to metallic coatings on iron and steel |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB574737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2772985A (en) * | 1951-08-08 | 1956-12-04 | Thompson Prod Inc | Coating of molybdenum with binary coatings containing aluminum |
| US5091209A (en) * | 1989-10-12 | 1992-02-25 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method of forming a thin copper film by low temperture CVD |
-
1942
- 1942-03-20 GB GB372942A patent/GB574737A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2772985A (en) * | 1951-08-08 | 1956-12-04 | Thompson Prod Inc | Coating of molybdenum with binary coatings containing aluminum |
| US5091209A (en) * | 1989-10-12 | 1992-02-25 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method of forming a thin copper film by low temperture CVD |
| EP0482265A1 (en) * | 1989-10-12 | 1992-04-29 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method of forming a thin copper film by low temperature CVD |
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