Micro/Nanostructure and Tribological Characteristics of Pressureless Sintered Carbon Nanotubes Reinforced Aluminium Matrix Composites

Figure 5

SEM micrograph of fractal surface of (a) Al + 1 wt% CNT, (b) Al + 1.5 wt% CNT, and (c) Al + 2 wt% CNT.

(a)

(b)

(c)