Figure 7From: Recycled-copper-filled epoxy composites: the effect of mixed particle size SEM of copper distribution in epoxy for epoxy composites with recycled filler content at (a) 0 vol%, (b) coarse 20 vol%, (c) coarse 40 vol%, (d) fine 20 vol%, (e) fine 40 vol%, (f) mixed 20 vol% and (g) mixed 40 vol%, respectively. Back to article page