Improving the fretting biocorrosion of Ti6Al4V alloy bone screw by decorating structure optimised TiO2 nanotubes layer
Jiajun Luoa, Maryam Tamaddona, Changyou Yanb, Shuanhong Mab,*(), Xiaolong Wangb, Feng Zhoub, Chaozong Liua,*()

.

Fig. 3.. FESEM images of the surfaces of MA, NT and SONT screws. The micro pits were formed on both NT and SONT surface (black arrows).