Temperature ºc150013001100900700 660.452°C500300010(A1)Al12.21020203030Weight Percent Silicon405060L577+1°C70405060Atomic Percent SiliconFigure A5-1: The Al-Si phase diagram.70808090901001414°C(Si)→100Si 5. Using the Al-Si phase diagram in Appendix 6, identify the phases present in cast sample.Annotate your micrographs appropriately. Using the phase diagram and the lever rule, reportthe percentage of each phase(s) present in the microstructure.

Answered: 1500 1300 1100 900 700-660.452°C 500…

1500 1300 1100 900 700-660.452°C 500 300 0 10 (A1) Al 12.2 10 20 20 30 30 Weight Percent Silicon 40 50 L 60 577+1°C 70 40 50 60 Atomic Percent Silicon 70 80 80 90 90 100 1414°C (Si) 100 Si

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

Temperature ºc
1500
1300
1100
900
700 660.452°C
500
300
0
10
(A1)
Al
12.2
10
20
20
30
30
Weight Percent Silicon
40
50
60
L
577+1°C
70
40
50
60
Atomic Percent Silicon
Figure A5-1: The Al-Si phase diagram.
70
80
80
90
90
100
1414°C
(Si)→
100
Si

5. Using the Al-Si phase diagram in Appendix 6, identify the phases present in cast sample.
Annotate your micrographs appropriately. Using the phase diagram and the lever rule, report
the percentage of each phase(s) present in the microstructure.

Expert Solution

Step 1

given;

$% o v e r a l l c o m p o s i t i o n i f A l - S i m i x t u r e (C_{0}) = 12.2 % c o m p o s i t i o n o f a l u m i n i u m (C_{1}) = 1.65 % c o m p o s i t i o n o f S i l i c o n (C_{2}) = 99.83 m a s s f r a c t i o n o f a l u m i n i u m (m_{A l}) = ? m a s s f r a c t i o n o f s i l i c o n (m_{s i}) = ?$

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