Composites

Mechanical Properties

Theoretical Density (g/cm³)

Measured Density (g/cm³)

Voids

(%)

Epon 828

(Ep)

1.16

1.148 ± 0.02

1.03

GNPs filled epoxy (0.5 GNPs-Ep)

1.159

1.141 ± 0.03

1.55

GNPs filled epoxy (1.0 GNPs-Ep)

1.157

1.135 ± 0.02

1.90

GNPs filled epoxy (1.5 GNPs-Ep)

1.156

1.123 ± 0.05

2.86

GNPs filled epoxy (2.0 GNPs-Ep)

1.155

1.118 ± 0.04

3.20

Carbon fabric-Epon 828 (Cf-Ep)

1.507

1.477 ± 0.02

2.0

Cf-Epon 828 with GNPs (Cf-Ep/1.0GNPs)

1.504

1.464 ± 0.05

2.7