article·2003-01-01

Formation of Crystallographic Etch Pits during AC Etching of Aluminum

Jong Hyun Seo, Jong-Ho Ryu, Dong Nyung Lee

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Abstract

Pitting behavior in the presence of cathodic polarization was investigated using aluminum single crystals with surface orientations of (100), (110), and (111). The effects of the surface orientations on pit density, pit current density, and pit morphology were studied. In addition, the development of crystallographic etch pits was discussed in terms of the stability of the passive film and dissolution rate of aluminum. © 2003 The Electrochemical Society. All rights reserved.
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Research context

OpenAlex topics: Anodic Oxide Films and Nanostructures · Corrosion Behavior and Inhibition · Hydrogen embrittlement and corrosion behaviors in metals

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