Effect of Temperature and pH on Early Hydration Rate and Apparent Activation Energy of Alkali-Activated Slag

Figure 9

SEM images of slag particles with w/s = 0.4 in the solution pH 13.58. (a) 5°C, 1 day; (b) 35°C, 1 day; (c) 5°C, 14 days; (d) 35°C, 14 days.

(a)

(b)

(c)

(d)