Electrochemical Noise Chaotic Analysis of NiCoAg Alloy in Hank Solution | Zendy

Daniel Bahena | Zendy; I. Rosales | Zendy; Oscar Sarmiento | Zendy; R. Guardián | Zendy; Carmina MenchacaCampos | Zendy; J. Uruchurtu | Zendy

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Electrochemical Noise Chaotic Analysis of NiCoAg Alloy in Hank Solution

Author(s) -

Daniel Bahena,

I. Rosales,

Oscar Sarmiento,

R. Guardián,

Carmina MenchacaCampos,

J. Uruchurtu

Publication year - 2011

Publication title -

international journal of corrosion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.312

H-Index - 18

eISSN - 1687-9333

pISSN - 1687-9325

DOI - 10.1155/2011/491564

Subject(s) - electrochemical noise , lyapunov exponent , chaotic , fractal , noise (video) , corrosion , materials science , nonlinear system , phase space , spectral density , series (stratigraphy) , attractor , electrical impedance , alloy , electrochemistry , physics , mathematics , metallurgy , thermodynamics , mathematical analysis , computer science , electrode , statistics , quantum mechanics , paleontology , image (mathematics) , artificial intelligence , biology

The potential and current oscillations during corrosion of NiCoAg alloy in Hank solution were studied. Detailed nonlinear fractal analyses were used to characterize complex time series clearly showing 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. Electrochemical impedance was also applied the fractal dimensions for the corroded surface was obtained, and a corrosion mechanism was proposed

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