For a copper-silver alloy of composition 25 wt% Ag-75 wt% CuFor a copper-silver alloy of composition 25 wt% Ag-75 wt% Cu and at 775oC (1425oF) do the following:
(a) Determine the mass fractions of a and ß phases.
(b) Determine the mass fractions of primary a and eutectic microconstituents.
(c) Determine the mass fraction of eutectic a.