A 40 wt% Ni-60 wt% Cu alloy (Animated Figure 9.3a) is slowly cooled from 1400C (2550F)...

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A 40 wt% Ni-60 wt% Cu alloy (Animated Figure 9.3a) is slowly cooled from 1400°C (2550°F) to 1150°C (2100°F). (a) At what temperature does the first solid phase form? °C (b) What is the composition of this solid phase? %wt Ni (c) At what temperature does the last of the liquid solidify? °C (d) What is the composition of this last remaining liquid phase? %wt Ni Composition (at% Ni) 20 Composition= Composition = Temperature = = 40 60 80 100 1600 2800 Temperature 1500 Liquid 1453 °C 2600 1400- Liquidus line Solidus line 2400 1300 1200 2200 1100 2000 1000 20 40 60 80 100 (Cu) Composition (wt% NI) (N) Temperature ("C) Temperature ("F) A 40 wt% Ni-60 wt% Cu alloy (Animated Figure 9.3a) is slowly cooled from 1400°C (2550°F) to 1150°C (2100°F). (a) At what temperature does the first solid phase form? °C (b) What is the composition of this solid phase? %wt Ni (c) At what temperature does the last of the liquid solidify? °C (d) What is the composition of this last remaining liquid phase? %wt Ni Composition (at% Ni) 20 Composition= Composition = Temperature = = 40 60 80 100 1600 2800 Temperature 1500 Liquid 1453 °C 2600 1400- Liquidus line Solidus line 2400 1300 1200 2200 1100 2000 1000 20 40 60 80 100 (Cu) Composition (wt% NI) (N) Temperature ("C) Temperature ("F)

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