期刊
METALS
卷 8, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/met8110933
关键词
alloy; magnesium; SEM-EDS; EIS; mass loss; corrosion layers
资金
- Mexican National Council for Science and Technology (CONACYT)
- Spanish Ministry of Economy and Competitiveness [MAT2015-65445-C2-1-R]
- CONACYT
The initial stages of corrosion of AZ31B magnesium alloy, immersed in Ringer's solution at 37 degrees C body temperature for four days, have been evaluated by independent gravimetric and chemical methods and through electrochemical impedance spectroscopy (EIS) measurements. The corrosion current densities estimated by hydrogen evolution are in good agreement with the time-integrated reciprocal charge transfer resistance values estimated by EIS. The change in the inductive behavior has been correlated with difference in the chemical composition of corrosion layers. At the shorter immersion of 2 days, EDS analysis of cross section of the uniform corrosion layer detected Cl and Al elements, perhaps as formed aluminum oxychlorides salts.
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