NO144942C - Em fremgangsmaate og apparat for maaling av en korrosjons-stro - Google Patents
Em fremgangsmaate og apparat for maaling av en korrosjons-stroInfo
- Publication number
- NO144942C NO144942C NO772004A NO772004A NO144942C NO 144942 C NO144942 C NO 144942C NO 772004 A NO772004 A NO 772004A NO 772004 A NO772004 A NO 772004A NO 144942 C NO144942 C NO 144942C
- Authority
- NO
- Norway
- Prior art keywords
- street
- corrosion
- procedure
- measuring
- corrosion street
- Prior art date
Links
- 238000005260 corrosion Methods 0.000 title 1
- 230000007797 corrosion Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/08—Measuring current density
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ecology (AREA)
- Health & Medical Sciences (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Prevention Of Electric Corrosion (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7617601A FR2354563A1 (fr) | 1976-06-10 | 1976-06-10 | Procede et appareil de mesure du courant de corrosion d'une structure immergee munie d'un dispositif de protection cathodique |
Publications (3)
Publication Number | Publication Date |
---|---|
NO772004L NO772004L (no) | 1977-12-13 |
NO144942B NO144942B (no) | 1981-08-31 |
NO144942C true NO144942C (no) | 1981-12-09 |
Family
ID=9174216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO772004A NO144942C (no) | 1976-06-10 | 1977-06-08 | Em fremgangsmaate og apparat for maaling av en korrosjons-stro |
Country Status (5)
Country | Link |
---|---|
US (1) | US4134059A (no) |
FR (1) | FR2354563A1 (no) |
GB (1) | GB1584593A (no) |
NL (1) | NL7706329A (no) |
NO (1) | NO144942C (no) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4280124A (en) * | 1978-10-12 | 1981-07-21 | Wuertele James W | Corrosion detector |
WO1983001514A1 (en) * | 1981-10-16 | 1983-04-28 | Vermot-Gaud, Jacques | Method for detecting faults of a dielectric coating on the surface of an electrically conducting substrate |
US4511844A (en) * | 1982-12-10 | 1985-04-16 | Panhandle Eastern Pipe Line Company | E-Log I field computer |
US4536713A (en) * | 1983-03-03 | 1985-08-20 | Nl Industries, Inc. | Electrical resistivity measurement of a flowing drilling fluid using eddy currents generated therein |
US4644285A (en) * | 1984-10-09 | 1987-02-17 | Wayne Graham & Associates International, Inc. | Method and apparatus for direct measurement of current density |
US5202638A (en) * | 1991-04-01 | 1993-04-13 | The United States Of America As Represented By The Secretary Of Agriculture | Power density measuring apparatus and method |
US5156298A (en) * | 1991-04-11 | 1992-10-20 | Eastman Kodak Company | Method and apparatus for detecting a limit of the usable portion of a batch of fluent material flowing in a conduit |
WO2019156584A1 (en) * | 2018-02-07 | 2019-08-15 | Baker Hughes, A Ge Company, Llc | A method for measuring cathodic protection current |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2297568A (en) * | 1939-02-25 | 1942-09-29 | Schlumberger Well Surv Corp | Spontaneous potential by induction |
US2802182A (en) * | 1954-02-01 | 1957-08-06 | Fox Prod Co | Current density responsive apparatus |
US2820947A (en) * | 1955-04-29 | 1958-01-21 | Gunn Ross | Electric field meter |
US2839722A (en) * | 1955-12-21 | 1958-06-17 | Pure Oil Co | Method and apparatus for detecting stray current corrosion |
-
1976
- 1976-06-10 FR FR7617601A patent/FR2354563A1/fr active Granted
-
1977
- 1977-06-07 US US05/804,315 patent/US4134059A/en not_active Expired - Lifetime
- 1977-06-08 GB GB23985/77A patent/GB1584593A/en not_active Expired
- 1977-06-08 NO NO772004A patent/NO144942C/no unknown
- 1977-06-09 NL NL7706329A patent/NL7706329A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2354563B1 (no) | 1980-10-31 |
US4134059A (en) | 1979-01-09 |
NO144942B (no) | 1981-08-31 |
NL7706329A (nl) | 1977-12-13 |
FR2354563A1 (fr) | 1978-01-06 |
NO772004L (no) | 1977-12-13 |
GB1584593A (en) | 1981-02-11 |
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