Corrosion monitor by creating a galvanic circuit between an anod

Details Corrosion monitor by creating a galvanic circuit between an anod Corrosion monitor by creating a galvanic circuit between an anod

1991-11-04

1993-09-07

Strecker, Gerard R.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324 711, 324 712, 324699, 20415311, 204404, 73 86, G01R 2708, G01N 1700

Patent

active

052432980

ABSTRACT:
A corrosion monitoring system having one or more anode elements made of a suitable anodic material that corrodes preferentially with respect to the structure being protected. The resistance of each anode wire is continuously or periodically monitored. The presence of moisture between an anode and the structure being monitored creates a current path and causes galvanic corrosion. The anode wire will begin to corrode, but the structural members will remain uncorroded until the anode has been completely consumed. The monitoring system uses the rate of change in anode resistance to extrapolate a prediction of the time remaining before the structure being protected begins to corrode.

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patent: 5036287 (1991-07-01), Serwatzky
Edmund C. Potter, Electrochemistry Principles & Applications, 1961, pp. 262 nd 263.

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