Published: Jan 1976
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The distribution of cathodic protection current between members of copper-steel and stainless steel-aluminum galvanic couples was found to vary by ratio of 940 to 0.05 as the relative areas were varied from 100:1 to 1:100. Polarization curves and the distribution of current are given. Above a 1:1 ratio of cathode to anode, cathodic protection does not appear to be practical.
corrosion, bimetallic couples, cathodic protection, polarization, dissimilar metal corrosion, composite structures, current density
Compton, K. G.
Professor of Ocean Engineering, University of Miami, Miami, Fla.