For a copper-silver alloy of composition 51 wt% Ag-49 wt% Cu and at 775˚C (1425˚F) (see Animated Figure 9.7) do the following: (a) Determine the mass fractions of and phases. Mass fraction = [The tolerance is + / - 5.0%.] Mass fraction = [The tolerance is + / - 5.0%.] (b) Determine the mass fractions of primary and eutectic microconstituents. Mass fraction primary = [The tolerance is + / - 5.0%.] Mass fraction eutectic = [The tolerance is + / - 5.0%.] (c) Determine the mass fraction of eutectic. Mass fraction eutectic = [The tolerance is + / - 5.0%.]
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