Mechanical Performance of Zr-Containing 354-Type Al-Si-Cu-Mg Cast Alloy: Role of Additions and Heat Treatment

Figure 1

Backscattered electron images for as-cast (left) and solution heat-treated (right) conditions of the alloys studied: (a, b) M1S (base alloy), (c, d) M2S (2 wt.% Ni), (e, f) M3S (0.75 wt.% Mn), (g, h) M4S (4 wt.% Ni), and (i, j) M5S (2 wt.% Ni + 0.75 wt.% Mn).

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