Research Article

Fracture Toughness of Carbon Nanotube-Reinforced Metal- and Ceramic-Matrix Composites

Figure 4

Schematic diagram for the effect of the interface length on the fracture toughness enhancement: (a) hard matrix, weak interface . (b) soft matrix, weak interface . (c) hard matrix, strong interface ; (d) soft matrix, strong interface .
746029.fig.004a
(a)
746029.fig.004b
(b)
746029.fig.004c
(c)
746029.fig.004d
(d)