c) The Cu-Zn phase diagram is shown in Figure 2. i) For a sample of composition 40 wt% Zn and 60 wt% Cu at 700°C, determine: (1) (i) the composition of the B-phase present at equilibrium (ii) the relative amounts of both phases present at equilibrium the composition of the a-phase present at equilibrium For a sample of composition 50 wt% Zn and 50 wt% Cu at 700°C, determine (ii) what phases are present at equilibrium? (ii) what is the composition of each phase?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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c)
The Cu-Zn phase diagram is shown in Figure 2.
i)
For a sample of composition 40 wt% Zn and 60 wt% Cu at 700°C, determine:
(1)
the composition of the a-phase present at equilibrium
(ii) the composition of the B-phase present at equilibrium
(ii)
the relative amounts of both phases present at equilibrium
ii)
For a sample of composition 50 wt% Zn and 50 wt% Cu at 700°C, determine
(ii) what phases are present at equilibrium?
(ii) what is the composition of each phase?
Compostion afiA Zn
20
40
60
100
|2200
1200
2000
Liquid
1000
1800
J600
1400
1200
600
400
600
200
400
20
40
Conposion bwf% Zru
Figure 2: Phase diagram of Cu-Zn
Transcribed Image Text:c) The Cu-Zn phase diagram is shown in Figure 2. i) For a sample of composition 40 wt% Zn and 60 wt% Cu at 700°C, determine: (1) the composition of the a-phase present at equilibrium (ii) the composition of the B-phase present at equilibrium (ii) the relative amounts of both phases present at equilibrium ii) For a sample of composition 50 wt% Zn and 50 wt% Cu at 700°C, determine (ii) what phases are present at equilibrium? (ii) what is the composition of each phase? Compostion afiA Zn 20 40 60 100 |2200 1200 2000 Liquid 1000 1800 J600 1400 1200 600 400 600 200 400 20 40 Conposion bwf% Zru Figure 2: Phase diagram of Cu-Zn
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