GB603313A - Improvements in and relating to the metallic impregnation of tubular members - Google Patents
Improvements in and relating to the metallic impregnation of tubular membersInfo
- Publication number
- GB603313A GB603313A GB2734545A GB2734545A GB603313A GB 603313 A GB603313 A GB 603313A GB 2734545 A GB2734545 A GB 2734545A GB 2734545 A GB2734545 A GB 2734545A GB 603313 A GB603313 A GB 603313A
- Authority
- GB
- United Kingdom
- Prior art keywords
- medium
- tubular members
- impregnating
- relating
- chromium
- 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
- 238000005470 impregnation Methods 0.000 title 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 2
- 229910052804 chromium Inorganic materials 0.000 abstract 2
- 239000011651 chromium Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 229960000359 chromic chloride Drugs 0.000 abstract 1
- LJAOOBNHPFKCDR-UHFFFAOYSA-K chromium(3+) trichloride hexahydrate Chemical group O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3] LJAOOBNHPFKCDR-UHFFFAOYSA-K 0.000 abstract 1
- 239000011636 chromium(III) chloride Chemical group 0.000 abstract 1
- 235000007831 chromium(III) chloride Nutrition 0.000 abstract 1
- XBWRJSSJWDOUSJ-UHFFFAOYSA-L chromium(ii) chloride Chemical group Cl[Cr]Cl XBWRJSSJWDOUSJ-UHFFFAOYSA-L 0.000 abstract 1
- 229940109126 chromous chloride Drugs 0.000 abstract 1
- 230000002706 hydrostatic effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
- C23C10/16—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases more than one element being diffused in more than one step
-
- 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
- C23C10/08—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases only one element being diffused
- C23C10/10—Chromising
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
In the process of impregnating simultaneously the inner and outer surfaces of tubular members (e.g. ferrous superheater elements) with chromium, a controllable forced flow of impregnating medium-liquid or gaseous-is maintained through the interior of said tube whilst immersed in said medium. Control of the flow of liquid medium is by pump or hydrostatic head; in the case of a gas is by blower or fan. The impregnating medium may be chromous or chromic chloride, or a chromium-bearing salt bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2734545A GB603313A (en) | 1945-10-18 | 1945-10-18 | Improvements in and relating to the metallic impregnation of tubular members |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2734545A GB603313A (en) | 1945-10-18 | 1945-10-18 | Improvements in and relating to the metallic impregnation of tubular members |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB603313A true GB603313A (en) | 1948-06-14 |
Family
ID=10258070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2734545A Expired GB603313A (en) | 1945-10-18 | 1945-10-18 | Improvements in and relating to the metallic impregnation of tubular members |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB603313A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208453A (en) * | 1969-06-30 | 1980-06-17 | Alloy Surfaces Company, Inc. | Modified diffusion coating of the interior of a steam boiler tube |
| US4290391A (en) * | 1976-12-21 | 1981-09-22 | Alloy Surfaces Company, Inc. | Diffusion treated articles |
-
1945
- 1945-10-18 GB GB2734545A patent/GB603313A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208453A (en) * | 1969-06-30 | 1980-06-17 | Alloy Surfaces Company, Inc. | Modified diffusion coating of the interior of a steam boiler tube |
| US4290391A (en) * | 1976-12-21 | 1981-09-22 | Alloy Surfaces Company, Inc. | Diffusion treated articles |
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