Pitting Corrosion

Application ID: 100101


Pitting corrosion is a type of localized corrosion by which local cavities, pits, are formed on an initially smooth metal surface.

A pit may be initialized by surface defects, such as an inhomogeneities in composition or shape, or mechanical abuse resulting in a small scratch or dent.

How the pit grows depends on a number of factors such as the type of metal, salinity, pH, and temperature.

A fundamental understanding of the pitting process is paramount for proper material selection in environments susceptible to this type of corrosion.

This tutorial investigates the fundamental mechanism of pit propagation by simulating electrode kinetics, mass transport, charge transport, and the resulting geometry deformation.

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