In vitro degradation behavior and cytocompatibility of biodegradable AZ31 alloy with PEO/HT composite coating

- PEO/HT composite coating is formed by hydrothermal treatment of PEO coating.
- The outer HA layer successfully grows into the pores of PEO coating.
- The PEO/HT composite coating improves the corrosion resistance of AZ31 alloy.
- The PEO/HT composite coating presents better bioactivity in SBF.
- The PEO/HT composite coating presents good biocompatibility.