Research Article

The Effect of Activators on the Mechanical Properties and Microstructure of Alkali-Activated Nickel Slag

Figure 5

The influence of different contents of alkali activators, Na2SiO3 (a), NaOH (b), and Na2SiO3/Na2CO3 (c), on the compressive strength of the alkali-activated nickel-slag mortar cube.
(a)
(b)
(c)