Question 3 For a 40 wt% Sn-60 wt% Pb alloy at 150 °C and taking the densities of Pb and Sn at 150 °C to be 11.23 and 7.24 g/cm, respectively. Composition (ats Sn) 20 60 100 327 C 600 300 Liquid 500 232 C 200 183°C 400 18.3 61.9 97.8 300 100 200 100 20 40 60 80 100 (Pb) Composition (wts Sn) (Sn) The lead-tin phase diagram a) what phase(s) is (are) present? b) What is (are) the composition(s) of the phase(s)? c) calculate the relative amount of each phase present in terms of mass fraction. d) calculate the relative amount of each phase present in terms of mass fraction volume fraction Temperature (C) G) aungeadua

Elements Of Electromagnetics
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Question 3
For a 40 wt% Sn–60 wt% Pb alloy at 150 °C and taking the densities of Pb and Sn at 150 °C to be 11.23 and
7.24 g/cm, respectively.
Composition (at% Sn)
20
40
60
80
100
327 C
600
300
Liquid
500
232°C
200
183°C
400
18.3
61.9
97.8
300
100
a +8
H200
H100
20
40
60
80
100
(Pb)
Composition (wt% Sn)
(Sn)
The lead-tin phase diagram
a) what phase(s) is (are) present?
b) What is (are) the composition(s) of the phase(s)?
c) calculate the relative amount of each phase present in terms of mass fraction.
d) calculate the relative amount of each phase present in terms of mass fraction volume fraction
Temperature ("C)
(4) aungesadwaL
Transcribed Image Text:Question 3 For a 40 wt% Sn–60 wt% Pb alloy at 150 °C and taking the densities of Pb and Sn at 150 °C to be 11.23 and 7.24 g/cm, respectively. Composition (at% Sn) 20 40 60 80 100 327 C 600 300 Liquid 500 232°C 200 183°C 400 18.3 61.9 97.8 300 100 a +8 H200 H100 20 40 60 80 100 (Pb) Composition (wt% Sn) (Sn) The lead-tin phase diagram a) what phase(s) is (are) present? b) What is (are) the composition(s) of the phase(s)? c) calculate the relative amount of each phase present in terms of mass fraction. d) calculate the relative amount of each phase present in terms of mass fraction volume fraction Temperature ("C) (4) aungesadwaL
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