Fig. 1From: Structure and Strength of Iron-Copper-Carbon Nanotube NanocompositesSEM of Cu (a) and Fe (b) input powders, powder mixture Fe-Cu (4:1) treated in the planetary mill during 120 min (c) and Fe-Cu (4:1)-MCNT powder mixture (1 vol.%) treated in the planetary mill during 120 min (d)Back to article page