Research Article

Preparation and Mechanical Properties of Graphene Oxide: Cement Nanocomposites

Figure 11

FE-SEM images of cement mortar containing 1.5 wt% GO at scales of 200 μm after 28 days of curing, showing the nucleation of C-S-H by the GO flakes and its formation along them ((a) and (b)). FE-SEM images of cement mortar containing 1.5 wt% GO at scales of 200 and 2.0 μm after 28 days curing, showing microcracks on a GO flake under tensile stresses (c).
276323.fig.0011a
(a)
276323.fig.0011b
(b)
276323.fig.0011c
(c)