GB929262A - Aluminizing of ferrous metal base - Google Patents
Aluminizing of ferrous metal baseInfo
- Publication number
- GB929262A GB929262A GB8385/62A GB838562A GB929262A GB 929262 A GB929262 A GB 929262A GB 8385/62 A GB8385/62 A GB 8385/62A GB 838562 A GB838562 A GB 838562A GB 929262 A GB929262 A GB 929262A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coating
- molybdenum
- tungsten
- diffused
- base
- 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
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title abstract 4
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 238000005269 aluminizing Methods 0.000 title 1
- 239000011248 coating agent Substances 0.000 abstract 5
- 238000000576 coating method Methods 0.000 abstract 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 3
- 239000004411 aluminium Substances 0.000 abstract 3
- 229910052782 aluminium Inorganic materials 0.000 abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract 3
- 239000011733 molybdenum Substances 0.000 abstract 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 3
- 229910052721 tungsten Inorganic materials 0.000 abstract 3
- 239000010937 tungsten Substances 0.000 abstract 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 238000007598 dipping method Methods 0.000 abstract 2
- 239000006185 dispersion Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 abstract 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 abstract 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 abstract 1
- 229940010552 ammonium molybdate Drugs 0.000 abstract 1
- 235000018660 ammonium molybdate Nutrition 0.000 abstract 1
- 239000011609 ammonium molybdate Substances 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 235000011187 glycerol Nutrition 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 abstract 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 abstract 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
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)
- Chemically Coating (AREA)
Abstract
In a continuous process of aluminising a ferrous base, the base is first coated with a liquid containing molybdenum trioxide, tungsten trioxide or compounds decomposable to these oxides, the coating is reduced at a temperature of at least 1850 DEG F. to yield at least 0.3 gms. per square foot of surface of tungsten or molybdenum which is completely diffused into the base to form a diffused layer containing not more than 18% of tungsten or molybdenum, and the aluminium is then applied preferably by hot dipping. The liquid coating may be applied as a dispersion in water containing starch or as a dispersion in oil or glycerine and the decomposable compounds may be molybdic acid, tungstic acid, ammonium molybdate or tungstate or sodium tungstate. Reduction and diffusion is effected in hydrogen at 1850 DEG F. to 2100 DEG F. the difiused layer containing 0.3 to 1 gm. per square foot of diffused metal. The aluminium coating is formed by hot dipping in molten p aluminium at 1200 DEG F. to 1300 DEG F. The ferrous strip, sheet, strand or wire may be electrolytically cleaned prior to coating and also anodically or chemically cleaned after the first coating to remove any free tungsten or molybdenum which has not diffused into the ferrous base. U.S.A. Specification 2,800,707 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8385/62A GB929262A (en) | 1962-03-05 | 1962-03-05 | Aluminizing of ferrous metal base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8385/62A GB929262A (en) | 1962-03-05 | 1962-03-05 | Aluminizing of ferrous metal base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB929262A true GB929262A (en) | 1963-06-19 |
Family
ID=9851531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8385/62A Expired GB929262A (en) | 1962-03-05 | 1962-03-05 | Aluminizing of ferrous metal base |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB929262A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999032683A1 (en) * | 1997-12-19 | 1999-07-01 | Sms Demag Ag | Method for producing a strip-like metal composite by high temperature dip coating |
| WO2015090621A1 (en) * | 2013-12-18 | 2015-06-25 | Tata Steel Nederland Technology B.V. | Steel substrate provided with corrosion resistant coating with high melting temperature |
-
1962
- 1962-03-05 GB GB8385/62A patent/GB929262A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999032683A1 (en) * | 1997-12-19 | 1999-07-01 | Sms Demag Ag | Method for producing a strip-like metal composite by high temperature dip coating |
| US6436556B1 (en) * | 1997-12-19 | 2002-08-20 | Sms Demag Ag | Method for producing a strip-like metal composite by high temperature dip coating |
| WO2015090621A1 (en) * | 2013-12-18 | 2015-06-25 | Tata Steel Nederland Technology B.V. | Steel substrate provided with corrosion resistant coating with high melting temperature |
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