Oscillation and Chaos in Pitting Corrosion of Steel
Source abstract
Abstract
The potential and current oscillations during pitting corrosion of steel in sodium chloride (NaCl) solution were studied. Detailed analyses using numerical diagnostics developed to characterize complex time series clearly showed that the irregularity in these time series corresponds to deterministic chaos rather than to random noise. The chaotic oscillations were characterized by power spectral densities, phase space, and Lyapunov exponents.
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Research context
OpenAlex topics: Ultrasonics and Acoustic Wave Propagation
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Affiliations
*Programa de Ingeniería Molecular, Instituto Mexicano del Petróleo (IMP), Eje Central, Lázaro Cárdenas #152, 07730 México, DF, México.
**Dpto. Ingeniería Metalúrgica, Facultad Química, UNAM, Ciudad Universitaria, 04510 México, DF, México.
***Department of Materials Science and Engineering, University of Cincinnati, Cincinnati, OH 45221-0012.
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