Abstract
The texture effect of AZ31 Mg alloy on its corrosion resistance in simulated body fluid (SBF) at 37°C was examined by hydrogen evolution method, polarization curve and electrochemical impedance spectrum. It was found that at the early immersion time, the sample with c-axis of most grains normal to the exposed surface exhibited much higher corrosion resistance than the sample consisting mainly of (101¯0) and (112¯0) oriented grains. But after about 46h of immersion, the corrosion rate of both samples was largely reduced, less than 0.011ml/cm2/h due to the deposition of a film on surfaces. The profound texture effect on the corrosion resistance in SBF opened a new window to control the corrosion property of Mg alloys for biomedical applications.
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