what is the amount of θ phase
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
Related questions
Question
Using the Al−Cu phase diagram in (b), what is the amount of θ phase (in %) that would precipitate at the grain boundaries in the equilibrium microstructure after slow cooling shown in (a)?

Transcribed Image Text:(b)
Atomic percentage, copper
0 20 80 90 100
1,084.87
1,100
20
40
s0
1,000
L
900
800
700
660.452
600
53.5
548.2
567
s0
5.65
32.7
525
400
300
Al
40 50 60
Weight percentage, copper
10
20
30
70
80 90
Cu
![(a)
700
100%
(95.5% Al, 4.5% Cu)
600
500
400
Page 347
Slow cool
300
200
e precipitates at
]« grain boundaries
100
90 95 100
Time
wt % AI](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f969d67-e111-4e40-b575-7702662e30f7%2F38c7ee5e-c9ec-4b19-a9ae-a25cae5012d4%2F57nzypc_processed.png&w=3840&q=75)
Transcribed Image Text:(a)
700
100%
(95.5% Al, 4.5% Cu)
600
500
400
Page 347
Slow cool
300
200
e precipitates at
]« grain boundaries
100
90 95 100
Time
wt % AI
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