GB980860A - Improvements relating to the electrolytic protection against corrosion of a metallicstructure - Google Patents
Improvements relating to the electrolytic protection against corrosion of a metallicstructureInfo
- Publication number
- GB980860A GB980860A GB2280360A GB2280360A GB980860A GB 980860 A GB980860 A GB 980860A GB 2280360 A GB2280360 A GB 2280360A GB 2280360 A GB2280360 A GB 2280360A GB 980860 A GB980860 A GB 980860A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- lug
- core
- core tube
- plates
- 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
- 230000007797 corrosion Effects 0.000 title 1
- 238000005260 corrosion Methods 0.000 title 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 229910000861 Mg alloy Inorganic materials 0.000 abstract 1
- 239000004677 Nylon Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 239000010405 anode material Substances 0.000 abstract 1
- 238000013459 approach Methods 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 229920001778 nylon Polymers 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 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
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/18—Means for supporting electrodes
-
- 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
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/31—Immersed structures, e.g. submarine structures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
A sacrificial anode which is particularly suitable for the protection of oil tanker storage and ballast tanks comprises an annular body 1 of magnesium or magnesium alloy which is cast around a zinc-coated tubular steel core 2. The ends of the core which project at each end of the anode are sealed by welded-on plates 3 which carry a lug 4 with a slotted hole 6 and a lug 5 with a plain hole therein respectively. The anode is of length, say 10 feet, to extend between parts 7, 8 of the ship's structure, the lug 5 being bolted directly to the part 8 whilst <PICT:0980860/C6-C7/1> <PICT:0980860/C6-C7/2> the lug 4 is bolted to the part 7 but insulated therefrom by washers 11. Relative movement of the parts 7, 8 is taken up by the slot 6. In modifications, the supporting lugs are formed by flattening the ends of the core tube 2 or by slotting the core tube ends and inserting lug plates thereinto. U-shaped plates may be welded to the core tube, particularly in the central region thereof, to provide keys for the anode material and a net, e.g. of nylon, may be wrapped around the anode to prevent pieces of anode metal falling therefrom as it approaches the end of its useful life.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2280360A GB980860A (en) | 1960-06-29 | 1960-06-29 | Improvements relating to the electrolytic protection against corrosion of a metallicstructure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2280360A GB980860A (en) | 1960-06-29 | 1960-06-29 | Improvements relating to the electrolytic protection against corrosion of a metallicstructure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB980860A true GB980860A (en) | 1965-01-20 |
Family
ID=10185311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2280360A Expired GB980860A (en) | 1960-06-29 | 1960-06-29 | Improvements relating to the electrolytic protection against corrosion of a metallicstructure |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB980860A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3470077A (en) * | 1967-09-07 | 1969-09-30 | Magnesium Elektron Ltd | Sacrificial anodes and method of using same |
| US4915053A (en) * | 1988-09-09 | 1990-04-10 | Wendell Goodwin | Method and apparatus for cathodic protection of marine vessels |
| US9045834B2 (en) | 2011-11-11 | 2015-06-02 | Rolls-Royce Plc | Sacrificial anode |
-
1960
- 1960-06-29 GB GB2280360A patent/GB980860A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3470077A (en) * | 1967-09-07 | 1969-09-30 | Magnesium Elektron Ltd | Sacrificial anodes and method of using same |
| US4915053A (en) * | 1988-09-09 | 1990-04-10 | Wendell Goodwin | Method and apparatus for cathodic protection of marine vessels |
| US9045834B2 (en) | 2011-11-11 | 2015-06-02 | Rolls-Royce Plc | Sacrificial anode |
| EP2592175A3 (en) * | 2011-11-11 | 2017-02-01 | Rolls-Royce plc | A sacrificial anode |
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