Study of Corrosion Resistance of Anodized Ti6AI4V in SBf

摘要

A layer of amorphous thick anodic oxide film was formed on Ti6A14V substrate after anodization, and its thickness achieved 30-40μm. After immersion in SBF, anodized sample and substrate indicated different corrosion resistance. According to i_(corr), R_p and E_(corr), the concerned experimental results of potentiodynamic polarization curves, the anodic oxide film provided effective corrosion protection, which could be attributed to its relatively uniform, smooth, compact and intact microstructure. And the results of total immersion test also proved the protective role of the anodic film.