451387.fig.0018a
(a)
451387.fig.0018b
(b)
451387.fig.0018c
(c)
451387.fig.0018d
(d)
451387.fig.0018e
(e)
451387.fig.0018f
(f)
Figure 18: SEM micrographs of circular wear marks on Ti-6Al-4V sample after the friction test (severe deformation and plastic flow). Arrows indicate the sliding direction.