2. A 90 wt% Ag - 10 wt% Cu alloy is heated to a temperature within the ß + L phase region. If the composition of the liquid phase is 85 wt% Ag, determine the following: (1) The temperature of alloy (2) The composition of the ẞ phase (3) The mass fractions of both phases Temperature (°C) 1200 A 1000 800 600 0 400 a C 2000 B 8.0 (CR) T Solidus Solvus 20 20 a + L Composition (at % Ag) 40 T -Liquidus 779°C (7) ap 40 T Liquid 60 T E 71.9 (C₂) 80 T 80 P+L 100 G 91.2 " (C) H 2200 2000 1800 F 1600 1400 1200 1000 800 60 (Cu) Composition (wt% Ag) Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 1, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH. 600 400 100 Temperature (°F)
2. A 90 wt% Ag - 10 wt% Cu alloy is heated to a temperature within the ß + L phase region. If the composition of the liquid phase is 85 wt% Ag, determine the following: (1) The temperature of alloy (2) The composition of the ẞ phase (3) The mass fractions of both phases Temperature (°C) 1200 A 1000 800 600 0 400 a C 2000 B 8.0 (CR) T Solidus Solvus 20 20 a + L Composition (at % Ag) 40 T -Liquidus 779°C (7) ap 40 T Liquid 60 T E 71.9 (C₂) 80 T 80 P+L 100 G 91.2 " (C) H 2200 2000 1800 F 1600 1400 1200 1000 800 60 (Cu) Composition (wt% Ag) Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 1, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH. 600 400 100 Temperature (°F)
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
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:2. A 90 wt% Ag - 10 wt% Cu alloy is heated to a temperature within the ß + L phase
region. If the composition of the liquid phase is 85 wt% Ag, determine the following:
(1) The temperature of alloy
(2) The composition of the ß phase
(3) The mass fractions of both phases
Temperature (°C)
1200
A
1000
800
600
0
400
a
C
с
2000
B
8.0
(C)
T
Solidus
Solvus
20
20
a + L
Composition (at % Ag)
40
T
Liquidus
779°C (7g)
ap
40
T
Liquid
60
T
E
71.9
(C₂)
80
T
80
P+L
91.2
(C)
G
100
UN
#
H
2200
2000
1800
F
1600
1400
1200
1000
800
60
Composition (wt% Ag)
(Cu)
(Ag)
Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 1, T. B. Massalski (Editor-in-Chief), 1990. Reprinted
by permission of ASM International, Materials Park, OH.
600
400
100
Temperature (°F)
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