592906.fig.008a
(a)
592906.fig.008b
(b)
592906.fig.008c
(c)
592906.fig.008d
(d)
592906.fig.008e
(e)
592906.fig.008f
(f)
592906.fig.008g
(g)
592906.fig.008h
(h)
Figure 8: SEM observations of eroded samples with the variations of impingement angle.