Table 1.

Properties of raw material powders

Material	Density(g/cm3)	Size	Purity (%)
MWCNTs	2.1	Diameter 20~30 nm, length 10~30 μm	≥ 95
Graphenes	2.1	≤ 5 layers	≥ 99.8
Ti3SiC2	4.53	200 mesh
C	2.2	250 mesh
Cu	8.89	300 mesh	≥ 99.99