Phase diagram of lead-tin system is given in the figure below. For the of composition for 80 wt.% Sn-20 wt.% Pb: (a) Draw schematic sketches of the microstructure, (b) calculate the compositions and weight fractions of each phases at 280°C, just above 183°C (T ') and just below 183°C (T ). T(° C)

Phase diagram of lead-tin system is given in the figure below. For the of composition for 80 wt.% Sn-20 wt.% Pb: (a) Draw schematic sketches of the microstructure, (b) calculate the compositions and weight fractions of each phases at 280°C, just above 183°C (T ') and just below 183°C (T ). T(° C)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Question

Phase diagram of lead-tin system is given in the figure below. For the of composition for 80 wt.% Sn-20 wt.% Pb:
(a) Draw schematic sketches of the microstructure,
(b) calculate the compositions and weight fractions of each phases
at 280°C, just above 183°C (T ) and just below 183°C (T).
T° C)
300
L (liquid)
TL+BB
97.8
200-
18.3
183° С 1
%3D
3D
100-
a + B
13 20
100
32
60
80
C, wt% Sn

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