NO177355C - Method and apparatus for cathodic protection of an electrically conductive substrate against corrosion - Google Patents

Method and apparatus for cathodic protection of an electrically conductive substrate against corrosion

Info

Publication number
NO177355C
NO177355C NO873015A NO873015A NO177355C NO 177355 C NO177355 C NO 177355C NO 873015 A NO873015 A NO 873015A NO 873015 A NO873015 A NO 873015A NO 177355 C NO177355 C NO 177355C
Authority
NO
Norway
Prior art keywords
electrode
electrically conductive
conductive substrate
against corrosion
cathodic protection
Prior art date
Application number
NO873015A
Other languages
Norwegian (no)
Other versions
NO873015D0 (en
NO873015L (en
NO177355B (en
Inventor
James Patrick Reed
Albert Highe
Michael Masia
Original Assignee
Raychem Corp
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 Raychem Corp filed Critical Raychem Corp
Publication of NO873015D0 publication Critical patent/NO873015D0/en
Publication of NO873015L publication Critical patent/NO873015L/en
Publication of NO177355B publication Critical patent/NO177355B/en
Publication of NO177355C publication Critical patent/NO177355C/en

Links

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
    • 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
    • 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
    • C23F13/16—Electrodes characterised by the combination of the structure and the material

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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)

Abstract

Corrosion protection systems which make use of a barrier (2) which is placed between a corrodible substrate (3) and a counter-electrode (2). The barrier can provide more uniform current distribution on the substrate, and/or enable the counter-electrode to be more easily maintained or replaced, and/or reduce the rate at which the current density on an elongate electrode changes with distance from the power source, and/or provide a controlled environment around the electrode to improve its efficiency. <IMAGE>
NO873015A 1986-07-18 1987-07-20 Method and apparatus for cathodic protection of an electrically conductive substrate against corrosion NO177355C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88819886A 1986-07-18 1986-07-18

Publications (4)

Publication Number Publication Date
NO873015D0 NO873015D0 (en) 1987-07-20
NO873015L NO873015L (en) 1988-01-19
NO177355B NO177355B (en) 1995-05-22
NO177355C true NO177355C (en) 1995-09-06

Family

ID=25392719

Family Applications (1)

Application Number Title Priority Date Filing Date
NO873015A NO177355C (en) 1986-07-18 1987-07-20 Method and apparatus for cathodic protection of an electrically conductive substrate against corrosion

Country Status (7)

Country Link
EP (2) EP0253671B1 (en)
JP (1) JPS6333587A (en)
AT (2) ATE129529T1 (en)
CA (1) CA1331160C (en)
DE (2) DE3781735T2 (en)
ES (1) ES2033852T3 (en)
NO (1) NO177355C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9426216D0 (en) * 1994-12-23 1995-02-22 Cathelco Ltd Descaling ships ballast tanks
ES2119692B1 (en) * 1996-07-12 1999-05-16 Lopez Calleja Lopez Jose Luis DEVICE, SYSTEM AND PROCEDURE FOR ELECTRICALLY INSULATING THE METALLIC STRUCTURE OF A BOAT FROM AN EXTERNAL MASS.
DE102014203659A1 (en) * 2014-02-28 2015-09-03 Siemens Aktiengesellschaft Cooling device for a converter of a high-voltage direct current transmission system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022242A (en) * 1959-01-23 1962-02-20 Engelhard Ind Inc Anode for cathodic protection systems
NL247246A (en) * 1959-12-17 1900-01-01
GB1108692A (en) * 1964-04-17 1968-04-03 Gordon Ian Russell Method for installing cathodic protection against corrosion
NL6612237A (en) * 1966-08-31 1968-03-01
JPS5137263B1 (en) * 1968-10-28 1976-10-14
US4171254A (en) * 1976-12-30 1979-10-16 Exxon Research & Engineering Co. Shielded anodes
US4318787A (en) * 1980-02-22 1982-03-09 Conoco Inc. Sacrificial anode composition in cathodic protection process
US4457821A (en) * 1983-01-17 1984-07-03 Pennwalt Corporation Cathodic protection apparatus for well coated metal vessels having a gross bare area

Also Published As

Publication number Publication date
NO873015D0 (en) 1987-07-20
ATE80674T1 (en) 1992-10-15
EP0253671A3 (en) 1988-08-03
ES2033852T3 (en) 1993-04-01
EP0253671A2 (en) 1988-01-20
EP0253671B1 (en) 1992-09-16
EP0488995A3 (en) 1992-07-01
CA1331160C (en) 1994-08-02
JPS6333587A (en) 1988-02-13
NO873015L (en) 1988-01-19
DE3781735D1 (en) 1992-10-22
EP0488995A2 (en) 1992-06-03
DE3751575D1 (en) 1995-11-30
ATE129529T1 (en) 1995-11-15
DE3781735T2 (en) 1993-04-22
NO177355B (en) 1995-05-22
EP0488995B1 (en) 1995-10-25
DE3751575T2 (en) 1996-06-27

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