Apparatus for integrating electrolytic corrosion associated volt

Details Apparatus for integrating electrolytic corrosion associated volt Apparatus for integrating electrolytic corrosion associated volt

1975-05-01

1980-06-24

Weisstuch, Aaron

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2746, G01N 2730

Patent

active

042093767

ABSTRACT:
An electrolytic corrosion associated voltage integrating apparatus comprising a first terminal to be connected to an electric conductor, such as a gas pipe, water pipe, telephone cable or the like, installed in electrical contact with the earth and a second terminal to be connected to an earthed reference electrode; a solid state electrochemical potential memory device which exhibits a terminal voltage between an anode and a cathode linearly changing as a function of the charging or discharging quantity of electricity fed to the device and which is capable of holding the terminal voltage, said device being connected to the terminals to receive an input therefrom; a reference voltage source for compensating the said conductor-to-earthed reference electrode potential input for a potential difference developed between the said earthed reference electrode and the earth per se; and means for displaying the terminal voltage of the device. A preferred embodiment of the present invention comprises means for adjusting the reference voltage of the said reference voltage source. The value indicated by the said displaying means is qualitatively associated with an amount of electrolytic corrosion occurring in the conductor during the time period when the apparatus is connected to the conductor and the earthed reference electrode.

REFERENCES:
patent: 2803797 (1957-08-01), Cowles
patent: 2943027 (1960-06-01), Schaschl et al.
patent: 3753110 (1973-08-01), Ikeda et al.
E. C. Potter, "Electrochemistry", Macmillan, N.Y. (1961), pp. 264-268.
F. A. Champion, "Corrosion Testing Procedures", Second Edition, Wiley, N.Y. (1965), pp. 309-315.
L. L. Shreir, Editor, "Corrosion", Newnes, Ltd., London (1963), pp. 11.45-11.49.
K. G. Compton, "Corrosion", vol. 14, 237t-244t (1958).
H. Uhlig, "Corrosion & Corrosion Control", Second Edition, Wiley, N.Y. (1971), pp. 206-211.

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