Electrochemical Performance of Steel Embedded in CSA Concrete and Its Interfacial Microstructure

Figure 4

Microstructure of steel reinforced CSA concrete aged for 28 d: (a) microstructure of steel reinforced CSA concrete, (b) porosity at ITZ, (c) EDXA spot analysis of Point ‘1’ at ITZ, and (d) elemental mappings of Fe, Ca, Si, Al, and S.

(a)

(b)

(c)

(d)