Enhancement of the Pitting Corrosion Resistance of AISI 316LVM Steel with Ta-Hf-C/Au Bilayers for Biomedical Applications

Figure 4

SEM micrographs of the different samples after the corrosive attack: (a) TaC, (b) HfC, (c) 30TaC-70HfC, and (d) 70TaC-30HfC.

(a)

(b)

(c)

(d)