Predictive Ability of Corrosion Sensor

Corroded area after 100 cycles of a cyclic corrosion test as a function of time for the low-frequency impedance to drop to 107 W. Four different substrates with different coatings were tested.

Figure 4

In-Situ Sensor to Detect Moisture Intrusion and Degradation of Coatings, Composites, and Adhesive Bonds, G.D. Davis, C.M. Dacres, and L.A. Krebs, DACCO SCI Inc.