Improving the fretting biocorrosion of Ti6Al4V alloy bone screw by decorating structure optimised TiO2 nanotubes layer

Jiajun Luo, Maryam Tamaddon, Changyou Yan, Shuanhong Ma, Xiaolong Wang, Feng Zhou, Chaozong Liu

Fig. 2. Schematic of self-tapping screw and SEM observation of debonding of TiO2 nanotube layer, five points on the thread ridge were used for SEM examinations.