Binary phase diagram of an aluminum – silicon mixture Data: Tmelt(Al) = 660 °C Tmelt(Si) = 1412 °C Silicon forms an alloy in the liquid state (total miscibility) with aluminum. The two metals are not miscible in the solid state. The temperature of solidification of the Si-Al alloy is minimal at 580 °C for a mass fraction of silicon wSj equal to 0.125. What are the phases in presence when the system is in equilibrium in the following conditions: А В C D wSi 0.05 0.125 0.5 0 (°C) 700 600 550 700

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Binary phase diagram of an aluminum – silicon mixture
Data: Tmelt(Al) = 660 °C
Tmelt(Si) = 1412 °C
Silicon forms an alloy in the liquid state (total miscibility) with aluminum. The two metals are not
miscible in the solid state. The temperature of solidification of the Si-Al alloy is minimal at 580 °C
for a mass fraction of silicon wsj equal to 0.125.
What are the phases in presence when the system is in equilibrium in the following conditions:
A
C
D
wSi
0.05
0.125
0.5
0 (°C)
700
600
550
700
Transcribed Image Text:Binary phase diagram of an aluminum – silicon mixture Data: Tmelt(Al) = 660 °C Tmelt(Si) = 1412 °C Silicon forms an alloy in the liquid state (total miscibility) with aluminum. The two metals are not miscible in the solid state. The temperature of solidification of the Si-Al alloy is minimal at 580 °C for a mass fraction of silicon wsj equal to 0.125. What are the phases in presence when the system is in equilibrium in the following conditions: A C D wSi 0.05 0.125 0.5 0 (°C) 700 600 550 700
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