A 35 wt% Pb-65 wt% Mg alloy is heated to a temperature within the a + liquid phase region shown in Animated Figure 9.20. If the composition of the a phase is 20 wt% Pb, determine (a) The temperature of the alloy °℃ (b) The composition of the liquid phase i %wt Pb (c) The mass fraction of the a phase i (d) The mass fraction of the liquid phase

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A 35 wt% Pb-65 wt% Mg alloy is heated to a temperature within the a + liquid phase region shown Animated Figure 9.20. If the
composition of the a phase is 20 wt% Pb, determine
(a) The temperature of the alloy
°C
(b) The composition of the liquid phase
i
%wt Pb
(c) The mass fraction of the a phase
i
(d) The mass fraction of the liquid phase
Transcribed Image Text:A 35 wt% Pb-65 wt% Mg alloy is heated to a temperature within the a + liquid phase region shown Animated Figure 9.20. If the composition of the a phase is 20 wt% Pb, determine (a) The temperature of the alloy °C (b) The composition of the liquid phase i %wt Pb (c) The mass fraction of the a phase i (d) The mass fraction of the liquid phase
Temperature (°C)
700
600
500
40
400
300
200
100
0
(Mg)
a
卡
5
a + L
Composition = 0 wt% Pb
Composition = 0 at% Pb
Temperature = 0 °C
Composition (at% Pb) Temperature = 32 °C
10
L
a + Mg₂Pb
60
Composition (wt% Pb)
20
30 40
L
+
Mg₂Pb M
Mg₂Pb
L
+
Mg₂Pb
70 100
B
B+
Mg₂Pb
749
L
1200
1000
800
600
400
200
(Pb)
Transcribed Image Text:Temperature (°C) 700 600 500 40 400 300 200 100 0 (Mg) a 卡 5 a + L Composition = 0 wt% Pb Composition = 0 at% Pb Temperature = 0 °C Composition (at% Pb) Temperature = 32 °C 10 L a + Mg₂Pb 60 Composition (wt% Pb) 20 30 40 L + Mg₂Pb M Mg₂Pb L + Mg₂Pb 70 100 B B+ Mg₂Pb 749 L 1200 1000 800 600 400 200 (Pb)
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