151629.fig.007a
(a)
151629.fig.007b
(b)
151629.fig.007c
(c)
151629.fig.007d
(d)
151629.fig.007e
(e)
151629.fig.007f
(f)
151629.fig.007g
(g)
151629.fig.007h
(h)
151629.fig.007i
(i)
151629.fig.007j
(j)
151629.fig.007k
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151629.fig.007l
(l)
Figure 7: Wear tracks of uncoated, PVD- and CVD-coated samples.