3. A copper-silver alloy is heated to 900°C (Figure Q1) and is found to consist of a andliquid phases. If the mass fraction of the liquid phase is 0.68, determine(a) the composition of both phases, in both weight percent and atom percent, and(b) the composition of the alloy, in both weight percent and atom percentTemperature (°C)1200A100080060040020000aC(Cu)B8.0(Cap)-SolidusSolvus2020a + LComposition (at% Ag)-Liquidus779°C (TB)I4040a + B1TLiquid16060E71.9(CE)IComposition (wt% Ag)Figure Q1: Copper-silver phase diagramT8080B+L91.2(CBE)IG100L220020001800F1600140012001000800→600H400100(Ag)Temperature (°F)

Answered: Image /qna-images/answer/a707f4ea-bed5-4505-8159-066d4f7106f0.jpg

3. A copper-silver alloy is heated to 900°C (Figure Q1) and is found to consist of a and liquid phases. If the mass fraction of the liquid phase is 0.68, determine (a) the composition of both phases, in both weight percent and atom percent, and (b) the composition of the alloy, in both weight percent and atom percent Temperature (°C) 1200 1000 800 600 400 2000 a (Cu) B 8.0 (Ca) -Solidus Solvus 20 20 a + L Composition (at % Ag) 40 -Liquidus 779°C (TE) 40 a + B Liquid 60 E 71.9 (CE) 60 Composition (wt% Ag) Figure Q1: Copper-silver phase diagram 80 80 B+L 91.2 (C₁E) G 22₂ 100 H 2200 2000 1800 F 1600 1400 1200 1000 800 600 400 100 (Ag) Temperature (°F)

3. A copper-silver alloy is heated to 900°C (Figure Q1) and is found to consist of a and liquid phases. If the mass fraction of the liquid phase is 0.68, determine (a) the composition of both phases, in both weight percent and atom percent, and (b) the composition of the alloy, in both weight percent and atom percent Temperature (°C) 1200 1000 800 600 400 2000 a (Cu) B 8.0 (Ca) -Solidus Solvus 20 20 a + L Composition (at % Ag) 40 -Liquidus 779°C (TE) 40 a + B Liquid 60 E 71.9 (CE) 60 Composition (wt% Ag) Figure Q1: Copper-silver phase diagram 80 80 B+L 91.2 (C₁E) G 22₂ 100 H 2200 2000 1800 F 1600 1400 1200 1000 800 600 400 100 (Ag) Temperature (°F)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

3. A copper-silver alloy is heated to 900°C (Figure Q1) and is found to consist of a and
liquid phases. If the mass fraction of the liquid phase is 0.68, determine
(a) the composition of both phases, in both weight percent and atom percent, and
(b) the composition of the alloy, in both weight percent and atom percent
Temperature (°C)
1200
A
1000
800
600
400
200
0
0
a
C
(Cu)
B
8.0
(Cap)
-Solidus
Solvus
20
20
a + L
Composition (at% Ag)
-Liquidus
779°C (TB)
I
40
40
a + B
1
T
Liquid
1
60
60
E
71.9
(CE)
I
Composition (wt% Ag)
Figure Q1: Copper-silver phase diagram
T
80
80
B+L
91.2
(CBE)
I
G
100
L
2200
2000
1800
F
1600
1400
1200
1000
800
→600
H
400
100
(Ag)
Temperature (°F)

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