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Evaluation of electrochemical characteristics of AZ31 wrought magnesium alloy

By Tomáš Hána

Abstract

This thesis deals with the issue of electrochemical characterization of AZ31 wrought magnesium alloy, which was exposed to corrosive environment of 0.1 moldm3 solution of sodium chloride. Electrochemical impedance spectroscopy and potentiodynamic tests were used for evaluation of electrochemical characteristics such as corrosion rate, corrosion current density, corrosion potential and polarization resistance. There is a summary of ways of a production of magnesium alloys, influence of alloying element on properties of material and types of corrosion, which leads to degradation of material in the theoretical part. In the experimental part there is characterization of used methods, summary of results and a discussion of obtained data and its comparison

Topics: potentiodynamic test; corrosion; AZ31 wrought magnesium alloy; electrochemical impedance spectroscopy.; korozní odolnost; koroze; potenciodynamické zkoušky; Tvářená hořčíková slitina AZ31; elektrochemická impedanční spektroskopie.; corrosion resistance
Publisher: Vysoké učení technické v Brně. Fakulta chemická
Year: 2016
OAI identifier: oai:invenio.nusl.cz:242606
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