CA1100437A - Procede et mise en circuit pour l'affaiblissement de l'interference des structures en metal - Google Patents
Procede et mise en circuit pour l'affaiblissement de l'interference des structures en metalInfo
- Publication number
- CA1100437A CA1100437A CA281,765A CA281765A CA1100437A CA 1100437 A CA1100437 A CA 1100437A CA 281765 A CA281765 A CA 281765A CA 1100437 A CA1100437 A CA 1100437A
- Authority
- CA
- Canada
- Prior art keywords
- terminal
- interference
- electrolytic
- galvano
- electric
- 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
- 238000000034 method Methods 0.000 title claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- 239000003792 electrolyte Substances 0.000 claims abstract description 13
- 230000003313 weakening effect Effects 0.000 claims abstract description 12
- 230000005684 electric field Effects 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 12
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 6
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 230000002101 lytic effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000004210 cathodic protection Methods 0.000 description 11
- 230000001052 transient effect Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 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
- C23F13/04—Controlling or regulating desired parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ecology (AREA)
- General Physics & Mathematics (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS7600004354A CS184612B1 (en) | 1976-07-01 | 1976-07-01 | Portable sensor for the degree corrosion measuring and electrochemical prevention of isolated structure placed in the electrolyte in the electric field |
| CSPV4354-76 | 1976-07-01 | ||
| CS7600006147A CS182743B1 (en) | 1976-09-22 | 1976-09-22 | Method for removal or decrease of interference at metal constructions buried in electrolyte in etraneous direct current field and connexion for making the said method |
| CSPV6147-76 | 1976-09-22 | ||
| CS680476A CS181347B1 (en) | 1976-10-21 | 1976-10-21 | Device for measuring of polarisation potential of bare metal construction buried in electrolyte in current field |
| CSPV6804-76 | 1976-10-21 | ||
| CS885076A CS183993B1 (en) | 1976-12-30 | 1976-12-30 | Device for measuring break potential of metal structures which are proveded with insulating coat and are placed in electrolyte in electric field |
| CSPV8850-76 | 1976-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1100437A true CA1100437A (fr) | 1981-05-05 |
Family
ID=27430114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA281,765A Expired CA1100437A (fr) | 1976-07-01 | 1977-06-30 | Procede et mise en circuit pour l'affaiblissement de l'interference des structures en metal |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT362837B (OSRAM) |
| CA (1) | CA1100437A (OSRAM) |
| DD (1) | DD131186A5 (OSRAM) |
| DE (1) | DE2729902A1 (OSRAM) |
| FR (1) | FR2356741A1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2656426B1 (fr) * | 1989-12-27 | 1992-04-30 | Gaz De France | Procede et dispositif de determination des interactions dues a des courants continus sur des structures metalliques enterrees voisines. |
| FR2917546B1 (fr) * | 2007-06-18 | 2010-03-12 | Transport Petrol Par Pipeline | Procede et dispositif pour la protection d'une conduite contre les courants vagabonds |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2947679A (en) * | 1956-12-24 | 1960-08-02 | Pure Oil Co | Corrosion rate sensing assembly |
| US2943027A (en) * | 1957-10-09 | 1960-06-28 | Pure Oil Co | Method and apparatus for determining current density |
| DE2241648A1 (de) * | 1972-08-24 | 1974-03-21 | Battelle Institut E V | Verfahren zur messung des schutzpotentials kathodisch geschuetzter objekte |
| DE2361547A1 (de) * | 1973-12-11 | 1975-06-19 | Karl Heinz Ortmann | Kathodischer korrosionsschutz mit einem vom abschaltpotential gesteuertem fremdstromschutzgeraet |
| CS199051B1 (en) * | 1975-04-28 | 1980-07-31 | Josef Polak | Method of polarizing potential measuring of constructions from carbon steel placed in electrolyte in electric current field and device for making this method |
-
1977
- 1977-06-30 CA CA281,765A patent/CA1100437A/fr not_active Expired
- 1977-06-30 AT AT0465877A patent/AT362837B/de not_active IP Right Cessation
- 1977-06-30 DD DD19980377A patent/DD131186A5/xx not_active IP Right Cessation
- 1977-07-01 DE DE19772729902 patent/DE2729902A1/de not_active Withdrawn
- 1977-07-01 FR FR7720365A patent/FR2356741A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ATA465877A (de) | 1980-11-15 |
| DE2729902A1 (de) | 1978-01-05 |
| AT362837B (de) | 1981-06-25 |
| FR2356741B1 (OSRAM) | 1983-01-21 |
| FR2356741A1 (fr) | 1978-01-27 |
| DD131186A5 (de) | 1978-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |