Corrosion-related issues  Materials  Thinning of the material cross-section  Altered near-surface material properties  Impaired properties of functional surfaces  Overall change of geometric dimensions, e.g., material plus solid corrosion scale  Corrosive medium  Depletion in corrosive agents  Contamination with corrosion products  Contaminant diffusion and convective transport  Subsequent chemical reactions  Re-precipitation of absorbed elements  Deposition of solid matter  Plant

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... peration  Reduced efficiency of plant components  Risk of premature material failure  Short-and long-range secondary effects, e.g., plugging of narrow sections  Contribution to the emission of pollutants