CORROSION FRONT ROUGHENING IN 2-DIMENSIONAL PITTING OF ALUMINUM THIN-LAYERS

Authors
Citation
L. Balazs, CORROSION FRONT ROUGHENING IN 2-DIMENSIONAL PITTING OF ALUMINUM THIN-LAYERS, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 54(2), 1996, pp. 1183-1189
Citations number
22
Categorie Soggetti
Physycs, Mathematical","Phsycs, Fluid & Plasmas
ISSN journal
1063651X
Volume
54
Issue
2
Year of publication
1996
Pages
1183 - 1189
Database
ISI
SICI code
1063-651X(1996)54:2<1183:CFRI2P>2.0.ZU;2-B
Abstract
A smooth to fractal transition of the corrosion front has been observe d during two-dimensional pitting of Al thin films. The propagation of the initially smooth front ceased spontaneously, leaving behind a self -similar coastline with fractal dimension D-f = 1.33 +/- 0.01. The rou ghening transition can be interpreted within the framework of the spre ading bond percolation model with trapping. Quantitative agreement has been found between model calculations and the dynamic exponents chara cterizing the temporal behavior of the propagation velocity as well as the roughness of the front.