AI Article Synopsis
- A new pretreatment method is developed to reduce the electrochemical activity of magnesium alloy coatings by creating a physiological stabilization layer through localized micro-galvanic corrosion.
- This process allows the high-activity regions of the magnesium alloy to be converted into a protective coating using hydrothermal treatment.
- Tests showed that the treated AZ91D magnesium alloy has better corrosion resistance and that the stability-hydrothermal samples are non-toxic to human embryonic kidney (HEK) 293 cells, indicating good cell viability.
Article Abstract
A promising pretreatment method for reducing the electrochemical activity of the magnesium alloy matrix beneath coatings is reported. The physiological stabilization process takes advantage of the localized micro-galvanic corrosion for transforming regions with high activity into a physiological stabilization layer, which can be converted into a protective coating by hydrothermal treatment. Electrochemical and immersion tests revealed that the corrosion resistance of treated AZ91D magnesium alloy was improved. In the cell viability test, the physiological stabilization-hydrothermal samples showed good cell viability for human embryonic kidney (HEK) 293 cells.
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| http://dx.doi.org/10.1039/c3tb20960a | DOI Listing |
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