Spreading of corrosion on stainless steel

被引：0

作者：

Fritz Haber Institute, Max Planck Society, Department of Physical Chemistry, D-14195 Berlin, Germany ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

不详 ^{[4
]}

机构：

[1] Fritz Haber Institute, Max Planck Society, Department of Physical Chemistry

[2] Department of Chemical Engineering, University of Virginia, Charlottesville

[3] Department of Physics and Atmospheric Science, Dalhousie University, Halifax

来源：

J Electrochem Soc | 2007年 / 1卷 / C24-C27期

关键词：

D O I：

10.1149/1.2387061

中图分类号：

学科分类号：

摘要：

In situ observations of pitting corrosion as it spreads across the surface of stainless steel were carried out. We apply two different imaging methods simultaneously, viz., ellipsomicroscopy for visualizing changes of surface film properties and contrast-enhanced microscopy for monitoring nucleation and reactivation of metastable corrosion pits. A correlation between oxide film weakening caused by individual pits and the nucleation of subsequent pits was found. The existence of front propagation as a component of the transition to pitting corrosion shows that characteristics of this process are consistent with the behavior of stochastic reaction-diffusion systems and that the onset of corrosion is a cooperative critical effect. © 2006 The Electrochemical Society.

引用

页码：C24 / C27

页数：3

共 24 条

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