Consider the binary alloy phase diagram shown schematically below. The left-hand side denotes phase a, and the right-hand side the phase ß. The intermediate region is a coexistence regime with both a and ß phases. The three points 1, 2 and 3 in the coexistence region are at 22.8 wt% A, 28.2 wt% A, and 33.7 wt % A respectively. If the points on the phase boundaries L and R are at 20 wt% A and 39 wt A, respectively, what is the fraction of a phase at 1, 2 and 3?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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a. wt % 1 85.3, wt % 2 56.8, wt % 3 27.9
O b. wt % 1 85.3, wt % 2 57.4, wt % 3 27.9
O c. wt % 1 85.3, wt % 2 56.8, wt % 3 27.4
O d. wt % 1 84.2, wt % 2 56.8, wt % 3 27.9
Transcribed Image Text:a. wt % 1 85.3, wt % 2 56.8, wt % 3 27.9 O b. wt % 1 85.3, wt % 2 57.4, wt % 3 27.9 O c. wt % 1 85.3, wt % 2 56.8, wt % 3 27.4 O d. wt % 1 84.2, wt % 2 56.8, wt % 3 27.9
Consider the binary alloy phase diagram shown schematically below. The left-hand side denotes phase a, and the right-hand side the phase ß. The
intermediate region is a coexistence regime with both a and ß phases. The three points 1, 2 and 3 in the coexistence region are at 22.8 wt% A, 28.2
wt% A, and 33.7 wt % A respectively. If the points on the phase boundaries L and R are at 20 wt% A and 39 wt % A, respectively, what is the fraction of
a phase at 1, 2 and 3?
(This question has only one correct answer)
T(°C)
A-B binary alloy
1400
Coexistence region
3
1 2
1100
B
20 %
40 %
Weight % A
Transcribed Image Text:Consider the binary alloy phase diagram shown schematically below. The left-hand side denotes phase a, and the right-hand side the phase ß. The intermediate region is a coexistence regime with both a and ß phases. The three points 1, 2 and 3 in the coexistence region are at 22.8 wt% A, 28.2 wt% A, and 33.7 wt % A respectively. If the points on the phase boundaries L and R are at 20 wt% A and 39 wt % A, respectively, what is the fraction of a phase at 1, 2 and 3? (This question has only one correct answer) T(°C) A-B binary alloy 1400 Coexistence region 3 1 2 1100 B 20 % 40 % Weight % A
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