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Electrochemical corrosion of magnesium alloy AZ31 in NaCl solutions after rolling

  • Silesian University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

The purpose of this study was to evaluate the electrochemical corrosion resistance of magnesium alloy AZ31 after rolling. Corrosion tests were conducted in NaCl solutions containing various concentrations of chloride ions (0.01–2 M NaCl). Potentiodynamic tests were conducted to obtain anodic polarisation curves. Immersion tests were conducted over periods of 1–5 days. The microstructure of AZ31 was examined by scanning electron microscopy (SEM) after the immersion tests. Electrochemical impedance spectroscopy (EIS) was applied to evaluate the electrochemical phenomena occurring at the surface of the tested alloy. Geometrical features of the AZ31 alloy surface were also measured after the corrosion tests. The results of all of the tests carried out demonstrate a clear deterioration in the corrosion properties of magnesium alloy AZ31 with the increase in the molar concentration of the NaCl solution. Irrespective of the molar concentration of the NaCl solution, pitting corrosion on the surface of the tested alloy was observed.

Original languageEnglish
Title of host publicationInnovations in Biomedical Engineering, IBE 2018
EditorsEwaryst Tkacz, Marek Gzik, Zbigniew Paszenda, Ewa Pietka
PublisherSpringer Verlag
Pages278-292
Number of pages15
ISBN (Print)9783030154714
DOIs
Publication statusPublished - 2019
EventConference on Innovations in Biomedical Engineering, IBE 2018 - Katowice, Poland
Duration: 18 Oct 201820 Oct 2018

Publication series

NameAdvances in Intelligent Systems and Computing
Volume925
ISSN (Print)2194-5357
ISSN (Electronic)2194-5365

Conference

ConferenceConference on Innovations in Biomedical Engineering, IBE 2018
Country/TerritoryPoland
CityKatowice
Period18/10/1820/10/18

Keywords

  • EIS
  • Electrochemical corrosion
  • Magnesium Alloy AZ31
  • Rolling
  • SEM

ASJC Scopus subject areas

  • Control and Systems Engineering
  • General Computer Science

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