GB892280A - Method of forming a protective coating on steel surfaces - Google Patents
Method of forming a protective coating on steel surfacesInfo
- Publication number
- GB892280A GB892280A GB3910/59A GB391059A GB892280A GB 892280 A GB892280 A GB 892280A GB 3910/59 A GB3910/59 A GB 3910/59A GB 391059 A GB391059 A GB 391059A GB 892280 A GB892280 A GB 892280A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- steel
- liquid metal
- titanium
- zirconium
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 6
- 239000010959 steel Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title 1
- 239000011253 protective coating Substances 0.000 title 1
- 239000004411 aluminium Substances 0.000 abstract 5
- 229910052782 aluminium Inorganic materials 0.000 abstract 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 4
- 229910001338 liquidmetal Inorganic materials 0.000 abstract 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 3
- 239000010936 titanium Substances 0.000 abstract 3
- 229910052719 titanium Inorganic materials 0.000 abstract 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 2
- 150000004767 nitrides Chemical class 0.000 abstract 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- 229910052726 zirconium Inorganic materials 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910026551 ZrC Inorganic materials 0.000 abstract 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
-
- 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
- C23C10/02—Pretreatment of the material to be coated
-
- 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
- C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
- C23C10/20—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions only one element being diffused
- C23C10/22—Metal melt containing the element to be diffused
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The corrosion of a steel surface by a liquid metal (e.g bismuth) brought into contact therewith is inhibited by first treating the steel, which must contain carbon and nitrogen together with aluminium, titanium or zirconium, to form a stable nitride of aluminium &c. using at least 50% of the nitrogen in the steel, and thereafter contacting the steel surface with said liquid metal containing in solution at least 2 p.p.m. of aluminium, titanium or zirconium, at a temperature of 550 DEG -1100 DEG C. for a period sufficient to form a layer of aluminium, titanium or zirconium carbide on the surface. The nitride is formed by heating the steel at 550 DEG -1100 DEG C. Continuous protection of the surface may be provided by initially forming a carbide layer and thereafter maintaining a proportion of aluminium &c. in the liquid metal. The liquid metal may be a heat transfer medium in a nuclear reactor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US892280XA | 1958-04-03 | 1958-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB892280A true GB892280A (en) | 1962-03-21 |
Family
ID=22216436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3910/59A Expired GB892280A (en) | 1958-04-03 | 1959-02-04 | Method of forming a protective coating on steel surfaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB892280A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2507211A1 (en) * | 1981-06-08 | 1982-12-10 | Rausch John | PROCESS FOR DIFFUSING AT LEAST ONE PREDETERMINED ELEMENT IN THE SURFACE OF AN IRON-BASED PIECE, AND METHOD OF MANUFACTURING SUCH A PIECE |
| CN103343516A (en) * | 2013-07-08 | 2013-10-09 | 湖北交投四优钢科技有限公司 | Aluminized highway guardrail and preparation method |
-
1959
- 1959-02-04 GB GB3910/59A patent/GB892280A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2507211A1 (en) * | 1981-06-08 | 1982-12-10 | Rausch John | PROCESS FOR DIFFUSING AT LEAST ONE PREDETERMINED ELEMENT IN THE SURFACE OF AN IRON-BASED PIECE, AND METHOD OF MANUFACTURING SUCH A PIECE |
| CN103343516A (en) * | 2013-07-08 | 2013-10-09 | 湖北交投四优钢科技有限公司 | Aluminized highway guardrail and preparation method |
| CN103343516B (en) * | 2013-07-08 | 2016-08-10 | 湖北交投四优钢科技有限公司 | A kind of aluminising freeway guardrail and preparation method |
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