High-Temperature Tensile Fractography of Zr-, Ni-, and Mn-Containing Al-Si-Cu-Mg Cast Alloys

Figure 6

SEM images of T6-treated M2S alloy after stabilization at 250°C for 1 hour: (a) BSE image showing microcracks associated with Ni-rich phases and (b) EDS spectrum corresponding to the point of interest in (a).

(a)

(b)