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

Figure 5

Microstructure of steel reinforced OPC concrete aged for 28 d: (a) microstructure of steel reinforced OPC concrete, (b) porosity at steel/concrete interface, (c) EDXA spot analysis of Point ‘2’ at ITZ, and (d) element mappings of Fe, Ca, Si, Al, and S.

(a)

(b)

(c)

(d)