Validation of a Percolation Model for Passivation of Fe‐Cr Alloys: Two‐Dimensional Computer Simulations

Abstract
Two‐dimensional computer simulations have been used to demonstrate the main atomistic features of a percolation model for alloy passivity. The simulations reproduce all the qualitative features of passivation in Fe‐Cr alloys, including a critical alloy composition and a passivation potential which decreases with increasing Cr content. New features which would appear in three dimensions are discussed.

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