A Theory of Pit Initiation. Part I. The Mechanism of Local Depassivation of Metals

Yu. A. Popov

State scientific center of the Russian Federation “Karpov Institute of Physical Chemistry,”
ul. Vorontsovo Pole 10, Moscow, 103064 Russia

Received June 13, 2006

Abstract — Electrochemical kinetics at a surface of newly initiated pits is analyzed; the effect of the surface energetical heterogeneity and the self-acceleration kinetics of the surface local depassivation are discussed.

Keywords: pitting, kinetics, potential, self-acceleration, equation, local character, passivity

PACS numbers: 82.45.Bb

DOI: 10.1134/S0033173207030010