Method of determining the presence of stray electrical currents

Details Method of determining the presence of stray electrical currents Method of determining the presence of stray electrical currents

1975-08-25

1980-04-01

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

G01N 2726

Patent

active

041960556

ABSTRACT:
A system and method of detecting stray electrical currents that cause corrosion on metallic structures submerged in electrolytic media. The system makes use of a plurality of metal plates in an arrangement so they will be bipolar electrodes in a stray current field and the stray currents are determined by the color of the plates. The amount of stray currents are determined by the amount of metal loss over a period of time. Plates may be placed about a ship's hull, or other submerged structures, or suspended in an open area of solution to locate areas of stray currents.

REFERENCES:
patent: 3314874 (1967-04-01), Flournoy
patent: 3398065 (1968-08-01), Marsh
patent: 3616415 (1971-10-01), Watson et al.
"Underground Corrosion", National Bureau of Standards Circular 579, Apr., 57, p. 168.

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