Presume that we have 100 grams of an alloy with overall chemical composition of 90 wt. pct. tin and 10 wt. pct. lead. The alloy (in the liquid state) is cooled at near-equilibrium conditions. Determine the following: At slightly below 183oC, what are the following: (parts a-h at a temperature below 183C please!)

Elements Of Electromagnetics
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Presume that we have 100 grams of an alloy with overall chemical composition of
90 wt. pct. tin and 10 wt. pct. lead. The alloy (in the liquid state) is cooled at
near-equilibrium conditions.
Determine the following:
At slightly below 183oC, what are the following:

(parts a-h at a temperature below 183C please!)

 

Temperature (°C)
a.
300
200
b.
100
0
0
327°C
20
T
a + L
18.3
40
20
Composition (at% Sn)
60
183°C
40
a + B
Liquid
61.9
60
Composition (wt% Sn)
80
B+L
232°C
97.8
100
600
500
1400
300
200
100
(Pb)
Figure 9.8 The lead-tin phase diagram.
[Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 3, T. B. Massalski (Editor-in-Chief),
1990. Reprinted by permission of ASM International, Materials Park, OH.]
100
(Sn)
Presume that we have 100 grams of an alloy with overall chemical composition of
90 wt. pct. tin and 10 wt. pct. lead. The alloy (in the liquid state) is cooled at
near-equilibrium conditions.
Determine the following:
At slightly below 183°C, what are the following:
The chemical composition of proeutectic (or primary) a crystals.
Temperature (°F)
The chemical composition of proeutectic (or primary) ẞ crystals.
Transcribed Image Text:Temperature (°C) a. 300 200 b. 100 0 0 327°C 20 T a + L 18.3 40 20 Composition (at% Sn) 60 183°C 40 a + B Liquid 61.9 60 Composition (wt% Sn) 80 B+L 232°C 97.8 100 600 500 1400 300 200 100 (Pb) Figure 9.8 The lead-tin phase diagram. [Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 3, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH.] 100 (Sn) Presume that we have 100 grams of an alloy with overall chemical composition of 90 wt. pct. tin and 10 wt. pct. lead. The alloy (in the liquid state) is cooled at near-equilibrium conditions. Determine the following: At slightly below 183°C, what are the following: The chemical composition of proeutectic (or primary) a crystals. Temperature (°F) The chemical composition of proeutectic (or primary) ẞ crystals.
C.
d.
e.
f.
g.
h.
The chemical composition of eutectic a crystals.
The chemical composition of eutectic ß crystals.
The amount of proeutectic a crystals.
The amount of proeutectic ß crystals.
The amount of eutectic a crystals.
The amount of eutectic ß crystals.
Transcribed Image Text:C. d. e. f. g. h. The chemical composition of eutectic a crystals. The chemical composition of eutectic ß crystals. The amount of proeutectic a crystals. The amount of proeutectic ß crystals. The amount of eutectic a crystals. The amount of eutectic ß crystals.
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