GB489800A - Improvements in processes for producing protective coatings on metals of the iron group and their alloys - Google Patents
Improvements in processes for producing protective coatings on metals of the iron group and their alloysInfo
- Publication number
- GB489800A GB489800A GB12608/37A GB1260837A GB489800A GB 489800 A GB489800 A GB 489800A GB 12608/37 A GB12608/37 A GB 12608/37A GB 1260837 A GB1260837 A GB 1260837A GB 489800 A GB489800 A GB 489800A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bath
- monochromate
- alloys
- metals
- protective coatings
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 2
- 229910045601 alloy Inorganic materials 0.000 title abstract 2
- 239000000956 alloy Substances 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 150000002739 metals Chemical class 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000011253 protective coating Substances 0.000 title abstract 2
- 238000007792 addition Methods 0.000 abstract 2
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 abstract 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 abstract 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- -1 potassium nitrate Chemical class 0.000 abstract 1
- 235000010333 potassium nitrate Nutrition 0.000 abstract 1
- 239000004323 potassium nitrate Substances 0.000 abstract 1
- 159000000001 potassium salts Chemical class 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 159000000000 sodium salts Chemical class 0.000 abstract 1
- 230000001131 transforming effect Effects 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/70—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using melts
- C23C22/72—Treatment of iron or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE203195X | 1936-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB489800A true GB489800A (en) | 1938-08-04 |
Family
ID=5775178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12608/37A Expired GB489800A (en) | 1936-06-03 | 1937-05-03 | Improvements in processes for producing protective coatings on metals of the iron group and their alloys |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE420964A (en:Method) |
| CH (1) | CH203195A (en:Method) |
| FR (1) | FR820318A (en:Method) |
| GB (1) | GB489800A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2120682A (en) * | 1982-04-23 | 1983-12-07 | Stephanois Rech Mec | Improving the corrosion resistance of ferrous metal parts by molten salt bath treatment to remove sulphur; filtering molten salts |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE838376C (de) * | 1942-07-11 | 1952-05-08 | Wieland Werke Ag | Bad fuer die Warmauslagerung metallischer Werkstoffe |
-
0
- BE BE420964D patent/BE420964A/xx unknown
-
1937
- 1937-03-11 CH CH203195D patent/CH203195A/de unknown
- 1937-04-06 FR FR820318D patent/FR820318A/fr not_active Expired
- 1937-05-03 GB GB12608/37A patent/GB489800A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2120682A (en) * | 1982-04-23 | 1983-12-07 | Stephanois Rech Mec | Improving the corrosion resistance of ferrous metal parts by molten salt bath treatment to remove sulphur; filtering molten salts |
Also Published As
| Publication number | Publication date |
|---|---|
| FR820318A (fr) | 1937-11-09 |
| BE420964A (en:Method) | |
| CH203195A (de) | 1939-02-28 |
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