DK138134B - Electrochemical method for determining defects in the surface of an insulating layer, in particular a protective layer covering a metallic surface, and apparatus for carrying out the method. - Google Patents

Electrochemical method for determining defects in the surface of an insulating layer, in particular a protective layer covering a metallic surface, and apparatus for carrying out the method.

Info

Publication number
DK138134B
DK138134B DK70471AA DK70471A DK138134B DK 138134 B DK138134 B DK 138134B DK 70471A A DK70471A A DK 70471AA DK 70471 A DK70471 A DK 70471A DK 138134 B DK138134 B DK 138134B
Authority
DK
Denmark
Prior art keywords
carrying
insulating layer
protective layer
determining defects
layer covering
Prior art date
Application number
DK70471AA
Other languages
Danish (da)
Other versions
DK138134C (en
Inventor
Rene Laroche
Original Assignee
Alusuisse
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 Alusuisse filed Critical Alusuisse
Publication of DK138134B publication Critical patent/DK138134B/en
Application granted granted Critical
Publication of DK138134C publication Critical patent/DK138134C/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20—Investigating the presence of flaws
    • G01N27/205—Investigating the presence of flaws in insulating materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
    • G01N27/423—Coulometry
DK70471AA 1970-02-17 1971-02-16 Electrochemical method for determining defects in the surface of an insulating layer, in particular a protective layer covering a metallic surface, and apparatus for carrying out the method. DK138134B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH222070A CH520331A (en) 1970-02-17 1970-02-17 Electrochemical process for characterizing the through pores of a dielectric covering a metal surface and device for implementing the process

Publications (2)

Publication Number Publication Date
DK138134B true DK138134B (en) 1978-07-17
DK138134C DK138134C (en) 1978-12-11

Family

ID=4228662

Family Applications (1)

Application Number Title Priority Date Filing Date
DK70471AA DK138134B (en) 1970-02-17 1971-02-16 Electrochemical method for determining defects in the surface of an insulating layer, in particular a protective layer covering a metallic surface, and apparatus for carrying out the method.

Country Status (9)

Country Link
US (1) US3719884A (en)
CH (1) CH520331A (en)
DE (1) DE2106593C3 (en)
DK (1) DK138134B (en)
ES (1) ES388371A1 (en)
FR (1) FR2078581A5 (en)
GB (1) GB1317683A (en)
NL (1) NL155653B (en)
SE (1) SE364364B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH558012A (en) * 1972-11-15 1975-01-15 Hoffmann La Roche METHOD AND DEVICE FOR ELECTRICALLY DETERMINING DAMAGE TO A LINING.
US3831085A (en) * 1973-04-12 1974-08-20 Hoffmann La Roche Reactor vessel lining testing method and apparatus
CH579272A5 (en) * 1974-03-29 1976-08-31 Pfaudler Werke Ag
US4019129A (en) * 1975-06-02 1977-04-19 Bell Telephone Laboratories, Incorporated Metallic plating testing apparatus
US4010416A (en) * 1975-08-08 1977-03-01 Westinghouse Electric Corporation Method and apparatus for testing dielectric adequacy and for indicating physical defects in a nonconducting material
US4227145A (en) * 1977-10-19 1980-10-07 Bicc Limited Apparatus for detecting faults in electric cables
US4206407A (en) * 1978-08-30 1980-06-03 American Can Company Continuity tester for container linings
JPS5629153A (en) * 1979-08-20 1981-03-23 Toyo Seikan Kaisha Ltd Measuring method of exposed iron part for coated steel plate or its processed product
DE3000446A1 (en) * 1980-01-08 1981-09-10 Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen METHOD FOR ENRICHING A SEARCHED ELEMENT FROM A SOLUTION FOR THE FLAMELESS ATOMIC ABSORPTION SPECTROSCOPY
US4523141A (en) * 1982-04-16 1985-06-11 The Kendall Company Pipe coating
DE4127740A1 (en) * 1991-08-22 1993-03-04 Klaus Joergens METHOD AND DEVICE FOR CHECKING THE POROSITY OF COATED ITEMS
GB9803678D0 (en) * 1998-02-24 1998-04-15 Crown Cork & Seal Tech Corp Can coating tester
US6248601B1 (en) 1999-04-19 2001-06-19 Taiwan Semiconductor Manufacturing Company Fix the glassivation layer's micro crack point precisely by using electroplating method
US6261852B1 (en) 1999-04-19 2001-07-17 Taiwan Semiconductor Manufacturing Company Check abnormal contact and via holes by electroplating method
US7006546B2 (en) * 2000-03-15 2006-02-28 Komatsu Ltd. Gas laser electrode, laser chamber employing the electrode, and gas laser device
US20030224544A1 (en) * 2001-12-06 2003-12-04 Shipley Company, L.L.C. Test method
CN103163058A (en) * 2013-03-25 2013-06-19 北京邮电大学 Method for measuring porosity of nickel-base silver cladding by utilizing sulphurous acid steam
US11181462B2 (en) 2018-11-30 2021-11-23 International Business Machines Corporation Non-destructive method to determine porosity in metallic coatings

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572597A (en) * 1951-01-02 1951-10-23 Gen Electric Porosity tester for coating materials
US3252155A (en) * 1962-05-18 1966-05-17 American Potash & Chem Corp Liquid receptacle and method for preparing same
US3366554A (en) * 1964-01-06 1968-01-30 Boeing Co Method for evaluating coating discontinuities
US3384556A (en) * 1964-11-23 1968-05-21 Sperry Rand Corp Method of electrolytically detecting imperfections in oxide passivation layers
US3385777A (en) * 1964-12-30 1968-05-28 Shell Oil Co Electrochemical deposition of organic films
CH501224A (en) * 1968-01-24 1970-12-31 Pfaudler Werke Ag Method for the electrical detection of damage to an enamel layer of an enamelled apparatus
US3556972A (en) * 1968-09-05 1971-01-19 Dow Chemical Co Depositing a polymer from an emulsion by electrophoresis

Also Published As

Publication number Publication date
SE364364B (en) 1974-02-18
DE2106593B2 (en) 1978-05-18
FR2078581A5 (en) 1971-11-05
CH520331A (en) 1972-03-15
GB1317683A (en) 1973-05-23
DE2106593A1 (en) 1971-08-26
DK138134C (en) 1978-12-11
ES388371A1 (en) 1973-05-01
NL7102128A (en) 1971-08-19
US3719884A (en) 1973-03-06
DE2106593C3 (en) 1979-01-18
NL155653B (en) 1978-01-16

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