Fig. 1
From: Effect of blending GGBS and silica fume on the mechanical properties of geopolymer concrete

SEM Morphologies of the as-received materials for (a) GGBS, (b) SF, and (c) dune sand.
From: Effect of blending GGBS and silica fume on the mechanical properties of geopolymer concrete

SEM Morphologies of the as-received materials for (a) GGBS, (b) SF, and (c) dune sand.