Scaling Structure of Pit Profile in Pitting Corrosion
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概要
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A growth model is presented to simulate pit formation in pitting corrosion in threedimensions. The pit growth model is described in terms of the anti-diffusion-limitedaggregation (anti-DLA) model. Computer simulation is performed to study the scal-ing structure of a single pit in pitting corrosion. It is found that the bird's-eye view ofthe corrosion pit profile shows a compact structure having a fraclal surface. The fractal dimension D of the surface of the bird's-eye profile of the corrosion pit is given byD = 1.168. It is also found that the width and depth of the corrosion pit show a scaling form. The width w and depth h of the pit scale as wzn"""' and h":zn""""'where n is the particle number removed from metal. The width w against depth hscales as w=h"""""pitting corrosion, anti-DLA, fractal, scaling
- 社団法人日本物理学会の論文
- 1991-12-15
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