Abstract
The interactions between metastable corrosion pits on stainless steel are studied by a two-dimensional cellular automata model at a mesoscopic scale. The cellular automata model focuses on a metal/film/electrolyte system, including fifteen kinds of species. A series of local evolution rules for the growth of corrosion pits is performed to simulate the corrosion kinetics processes. The transient current characteristics of the interactions between metastable corrosion pits under different simulation factors including the breakdown time and extent of pit cover are analyzed. The analysis of the pit stability product shows that the simulation results are close to the experimental conclusions.
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