5. Cite the (1) phases that are present and (2) the phase compositions for the following alloys. Then, (3) determine the relative amounts (in terms of mass fractions) of the phases for the alloys at given temperatures. (1) 90 wt% Zn-10 wt% Cu at 400°C (2) 2.12 kg Zn and 1.88 kg Cu at 500°C

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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5. Cite the (1) phases that are present and (2) the phase compositions for the following alloys.
Then, (3) determine the relative amounts (in terms of mass fractions) of the phases for the
alloys at given temperatures.
(1) 90 wt% Zn-10 wt% Cu at 400°C
(2) 2.12 kg Zn and 1.88 kg Cu at 500°C
Temperature (°C)
1200
1000
800
600
400
200
0
(Cu)
20
a
20
a + L
40
Composition (at% Zn)
;
40
p
B+L
Sta
Y
6+4
Composition (wt% Zn)
60
60
Y
8 + E
7+8
80
Liquid
8 + L
80
E
+4
L
8 + 11
100
"+L
17
2200
2000
1800
1600
1400
1200
1000
800
600
400
100
(Zn)
Temperature (°F)
Transcribed Image Text:5. Cite the (1) phases that are present and (2) the phase compositions for the following alloys. Then, (3) determine the relative amounts (in terms of mass fractions) of the phases for the alloys at given temperatures. (1) 90 wt% Zn-10 wt% Cu at 400°C (2) 2.12 kg Zn and 1.88 kg Cu at 500°C Temperature (°C) 1200 1000 800 600 400 200 0 (Cu) 20 a 20 a + L 40 Composition (at% Zn) ; 40 p B+L Sta Y 6+4 Composition (wt% Zn) 60 60 Y 8 + E 7+8 80 Liquid 8 + L 80 E +4 L 8 + 11 100 "+L 17 2200 2000 1800 1600 1400 1200 1000 800 600 400 100 (Zn) Temperature (°F)
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