Galvanically Stimulated Degradation of Carbon-Fiber Reinforced Polymer Composites: A Critical Review.

Even in the intermediate cases of galvanic coupling to zinc and aluminum in which the CFRP is polarized to potential ranges that cathodic processes on its surface are under diffusion control, the measured cathodic current densities in these potential ranges are quite significant, and reported to be in the range of ≈ 40 μA cm −2 in quiescent near-neutral chloride aqueous chloride media, and estimated to be capable of supporting anodic dissolution rates of about 0.599, 0.436, and 0.132 mm yr −1 for zinc, aluminum, and iron respectively, assuming equal cathodic and anodic surface areas [ 278 ].

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