Investigation of AZ91 magnesium alloy oxidation kinetics by means of electrochemical impedance spectroscopy

Valentina Tasoti, Adrian Nicoarǎ, Paul Şerban Agachi

Research output: Contribution to journalArticle

Abstract

A magnesium alloy oxidation in alkaline solutions was investigated by electrochemical impedance spectroscopy. Recorded impedance spectra exhibited up to two capacitive loops, suggesting oxidation trough adsorbed intermediates. For a kinetic description of reaction mechanism, equation of the parameters of Voight-type electrical equivalent model were obtained and used for magnesium alloy oxidation in open circuit conditions.

Original languageEnglish
Pages (from-to)5-13
Number of pages9
JournalStudia Universitatis Babes-Bolyai Chemia
Volume1
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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