Enhanced bioactivity and degradation behavior of zinc via micro-arc anodization for biomedical applications
Source abstract
Abstract
Abstract Zinc-based alloys have attracted increasing interest as absorbable implant metals due to their suitable degradation rate and biocompatibility. However, a high concentration of Zn 2+ due to the degradation process results in high cytotoxicity, and low osteogenesis remains a problem. In this work, a compact coating well integrated into the substrate was fabricated on the surface of zinc via micro-arc oxidation (MAO). The coating is mainly composed of ZnO. The addition of phosphate in the coating reinforced the adhesive strength between Zn and the coating. Electrochemical measurements demonstrate a superior corrosion resistance of MAO-P samples as compared to the substrate. Long-term immersion measurements in simulated body fluid indicate that the coating improved the bioactivity of the substrate, which is promising in view of orthopedic applications.
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Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Magnesium Alloys: Properties and Applications · Electrodeposition and Electroless Coatings
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Jiangsu University of Science and Technology , Zhenjiang , 21000 , China
Institute for Surface Science and Corrosion, Department of Materials Sciences and Engineering, University of Erlangen-Nürnberg , Erlangen , Germany
References (14)
Show source-provided references
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