658085.fig.0010a
(a)
658085.fig.0010b
(b)
Figure 10: (a) MML on the worn surface of the Al-20 wt.% fly ash composite when tested at 5 N, 1 m/s. (b) EDAX spectrum of MML for the Al-20 wt.% fly ash composite when tested at 5 N, 1 m/s.