Filiform corrosion as a pressure-driven delamination process.
basic_science · Level V
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- Record sourced from PubMed, PMID 30644940.
- Also identified by DOI 10.1039/c8sm01928b.
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Abstract
Filiform corrosion produces long and narrow trails on various coated metals through the detachment of the coating layer from the substrate. In this work, we present a combined experimental and theoretical analysis of this process with the aim to describe quantitatively the shape of the cross-section, perpendicular to the direction of propagation, of the filaments produced. For this purpose, we introduce a delamination model of filiform corrosion dynamics and show its compatibility with experimental data where the coating thickness has been varied systematically.