1500 1400 1300 1200 1100 Cu 37 PROBLEM 3 • (i) Define liquidus and solidus temperatures. • (ii) Determine the mass fraction of each phase in the Cu-40% Ni alloy at 1270 °C. 20 40 Caffs and notifications will vibrate 60 Weight percent nickel 50 1270 C • The equilibrium phase diagram for the Cu-Ni system is shown in Figure.

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