Table 1 Relative density, average grain size and mechanical properties of the CG Cu, NC Cu and MWCNTs/NCCMC.

From: Synergistic strengthening effect of nanocrystalline copper reinforced with carbon nanotubes

Sample

Relative density (%)

Grain size (nm)

Micro hardness (GPa)

Yield strength (MPa)

Tensile strength (MPa)

Elongation (%)

CG Cu

99.9

8 × 103

0.4

136

248

19.4

NC Cu

99.8

69.8

1.3

383

434

2.0

MWCNTs/NCCMC

98.9

67.0

1.7

692

865

4.2