395612.fig.006a
(a)
395612.fig.006b
(b)
395612.fig.006c
(c)
395612.fig.006d
(d)
395612.fig.006e
(e)
395612.fig.006f
(f)
Figure 6: Micrographs of fracture surfaces of sintered nickel-alumina composites after mechanical testing.