A hypothetical A–B alloy of composition 55 wt% B–45 wt% A at some temperature is found to consist of mass fractions of 0.5 for both α and β phases. If the composition of the β phase is 90 wt% B–10 wt% A, what is the composition of the α phase?
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Answer:
The Composition of the phase: 20 wt% B- 80 wt% A.
Explanation:
In the given question,
The hypothetical A-B alloy composition: 55 wt% B-45 wt% A
The phase fraction of both and : 0.5
The chemical composition of phase:
C = 90 (90 wt% B - 10 wt% A)
Now,
W=
0.5=
C=20
Thus we get, the Composition of the phase: 20 wt% B- 80 wt% A.
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