(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Figure 13:
OM micrographs showing high magnification images for the (a)–(d) micronpowder 0, 5, 10, and 20%, and (e)–(h) nanopowder 0, 5, 10, and 20% consolidated HC matrices, respectively.