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TKACZ, J. MINDA, J. FINTOVÁ, S. WASSERBAUER, J.
Original Title
Comparison of Electrochemical Methods for the Evaluation of Cast AZ91 Magnesium Alloy
Type
journal article in Web of Science
Language
English
Original Abstract
Linear polarization is a potentiodynamic method used for electrochemical characterization of materials. Obtained values of corrosion potential and corrosion current density offer information about material behavior in corrosion environments from the thermodynamic and kinetic points of view, respectively. The present study offers a comparison of applications of the linear polarization method (from −100 mV to +200 mV vs. EOCP), the cathodic polarization of the specimen (−100 mV vs. EOCP), and the anodic polarization of the specimen (+100 mV vs. EOCP), and a discussion of the differences in the obtained values of the electrochemical characteristics of cast AZ91 magnesium alloy. The corrosion current density obtained by cathodic polarization was similar to the corrosion current density obtained by linear polarization, while a lower value was obtained by anodic polarization. Signs of corrosion attack were observed only in the case of linear polarization including cathodic and anodic polarization of the specimen.
Keywords
AZ91 magnesium alloy; cathodic polarization curve; anodic polarization curve; linear polarization curve
Authors
TKACZ, J.; MINDA, J.; FINTOVÁ, S.; WASSERBAUER, J.
Released
15. 11. 2016
Publisher
MDPI AG
Location
Switzerland
ISBN
1996-1944
Periodical
Materials
Year of study
11
Number
9
State
Swiss Confederation
Pages from
1
Pages to
14
Pages count
URL
http://www.mdpi.com/1996-1944/9/11/925
Full text in the Digital Library
http://hdl.handle.net/11012/63680
BibTex
@article{BUT129850, author="Jakub {Tkacz} and Jozef {Minda} and Stanislava {Fintová} and Jaromír {Wasserbauer}", title="Comparison of Electrochemical Methods for the Evaluation of Cast AZ91 Magnesium Alloy", journal="Materials", year="2016", volume="11", number="9", pages="1--14", doi="10.3390/ma9110925", issn="1996-1944", url="http://www.mdpi.com/1996-1944/9/11/925" }