Research Article

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

Figure 9

SEM images of T6-treated M3S alloy after stabilization at 250°C for 1 hour: (a) BSE image showing a branched crack in a Q-phase particle and sludge particles preventing crack propagation, (b), (c) EDS spectra corresponding to the Q-phase and the sludge particle observed in (a), and (d) BSE image showing various cracked intermetallic phases and crack-free sludge particles.
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