Assessment of the corrosion behaviour of untreated and chemically treated pure magnesium in simulated body fluid
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The corrosion behaviour of pure Mg in simulated body fluid (SBF) and the effect of
chemical treatment on the corrosion resistance property were investigated using DEIS
(dynamic electrochemical impedance spectroscopy), EIS (electrochemical impedance
spectroscopy), PDP (potentiodynamic polarization), SEM (scanning electron
microscopy), AFM (atomic force microscope), and pH measurement techniques for 30 h.
NaOH or H2O2 were utilized for the chemical treatment. The DEIS was used for the first
time in the investigation of Mg corrosion in SBF. Results obtained disclosed that the
chemical treatment benefitted the anticorrosion property immensely. Results from both
the electrochemical and surface analysis techniques are consistent.
Keywords
QD Chemistry