NO144942C - Em fremgangsmaate og apparat for maaling av en korrosjons-stro - Google Patents

Em fremgangsmaate og apparat for maaling av en korrosjons-stro

Info

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
Application number
NO772004A
Other languages
English (en)
Norwegian (no)
Other versions
NO144942B (no
NO772004L (no
Inventor
Alain Stankoff
Original Assignee
Intersub Dev Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Intersub Dev Sa filed Critical Intersub Dev Sa
Publication of NO772004L publication Critical patent/NO772004L/no
Publication of NO144942B publication Critical patent/NO144942B/no
Publication of NO144942C publication Critical patent/NO144942C/no

Links

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)
NO772004A 1976-06-10 1977-06-08 Em fremgangsmaate og apparat for maaling av en korrosjons-stro NO144942C (no)

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 (fr)
FR (1) FR2354563A1 (fr)
GB (1) GB1584593A (fr)
NL (1) NL7706329A (fr)
NO (1) NO144942C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280124A (en) * 1978-10-12 1981-07-21 Wuertele James W Corrosion detector
WO1983001514A1 (fr) * 1981-10-16 1983-04-28 Vermot-Gaud, Jacques Procede pour detecter les defauts d'un revetement dielectrique a la surface d'un substrat electriquement conducteur
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 (fr) * 2018-02-07 2019-08-15 Baker Hughes, A Ge Company, Llc Procédé de mesure de courant de protection cathodique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2354563B1 (fr) 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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