Increasing in the fracture surface roughness was observed (Figure 3(b) & 3(c)) with the increment of GOcontent from 0.1 to 0.3 wt% in the GO/epoxy sample
Increasing in the fracture surface roughness was observed (Figure 3(b) & 3(c)) with the increment of GOcontent from 0.1 to 0.3 wt% in the GO/epoxy sample