Mesoscopic Simulation of Diffusion Characteristics in the Corrosion Film

被引：0

作者：

Wang, Haitao ^{[1
]}

Han, En-Hou ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2012年 / 28卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Corrosion; Simulation; Diffusion; Cellular automata; CELLULAR-AUTOMATON; KINETICS; GROWTH; STEEL; MECHANISM; SEAWATER; PRODUCT; ALLOY;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A cellular automata model was used to study the diffusion characteristics in the corrosion film at a mesoscopic scale. The model focused on a metal/film/electrolyte system, including a series of local evolution rules. The effect of diffusion rate on the film growth and metal corrosion was investigated. The result showed that the growth rate of the film followed a power law with the diffusion steps, and the corrosion rate had the same law as that of the film growth in the model with the feedback effect. There existed a diffusing plane in the film, where the concentration of the diffusing species did not depend on time. The diffusion steps were found to have a great influence on the position and species concentration of the diffusing plane.

引用

页码：427 / 432

页数：6

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