Material

Lap Shear Strength (MPa)

Standard Deviation

Increase (%)

Pure epoxy adhesive

0.29

1.007

2%wt. MWCNTs

0.34

0.270

−74

8%wt. GNPs

0.89

0.114

−17

8%wt. GNPs + 1%wt. MWCNTs

0.88

0.330

−10