Device for in-situ monitoring of corrosion rate of cathodically

Details Device for in-situ monitoring of corrosion rate of cathodically Device for in-situ monitoring of corrosion rate of cathodically

1984-02-02

1987-04-14

Lall, Parshotam S.

Boots, shoes, and leggings

204 1T, 204147, G01N 2746

Patent

active

046583653

ABSTRACT:
A method of monitoring the rate of corrosion of a cathodically protected system, comprising superimposing a sinusoidal voltage on a cathodic protection voltage imposed on a portion of the system, measuring an anodic dissolution current in response to the superimposed voltage, and calculating the corrosion rate from the anodic dissolution current at the cathodic protection voltage potential.

REFERENCES:
patent: 4160171 (1979-07-01), Merrick
patent: 4181882 (1980-01-01), Isaacs et al.
patent: 4238298 (1980-12-01), Tsuru et al.
patent: 4351703 (1982-09-01), Winslow, Jr.
patent: 4425193 (1984-01-01), Taylor
Bockris, Modern Electrochemistry, chapter 8, pp. 862-895.
Macdonald, Electrochemical Impedance Techniques in Corrosion Science, 1981, pp. 110-149.

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