Consider an Al-4% Si alloy. Determine (a) if the alloy is hypoeutectic or hypereutectic, (b) the composition of the first solid to form during solidification, (c) the amounts and compositions of each phase at 578ËšC, (d) the amounts and compositions of each phase at 576ËšC, (e) the amounts and compositions of each microconstituent at 576ËšC, and (f) the amounts and compositions of each phase at 25ËšC.
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