Figure 3 shows the lead (Pb)-tin (Sn) phase diagram used as a solder material. i. Derive the eutectic reaction for Pb-Sn alloy. [Note: Your answer must include the composition and temperature of each phase] ii. Discuss the maximum solubility of Pb in Sn. [Note: Your answer needs to include information on composition and temperature] iii. Estimate the solubility limit of Pb in Sn at 100°C and 150°C.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Question
100%
Composition (at% Sn)
40
60
80
100
327°C
600
300
Liquid
500
232°C
a + L
200
183°C
B+L
400
18.3
61.9
97.8
300
100
a + B
200
100
20
40
60
80
100
(Pb)
Composition (wt% Sn)
(Sn)
Temperature (°C)
20
Temperature (°F)
Transcribed Image Text:Composition (at% Sn) 40 60 80 100 327°C 600 300 Liquid 500 232°C a + L 200 183°C B+L 400 18.3 61.9 97.8 300 100 a + B 200 100 20 40 60 80 100 (Pb) Composition (wt% Sn) (Sn) Temperature (°C) 20 Temperature (°F)
Figure 3 shows the lead (Pb)-tin (Sn) phase diagram used as a solder material.
i.
Derive the eutectic reaction for Pb-Sn alloy.
Note: Your answer must include the composition and temperature of each phase]
ii.
Discuss the maximum solubility of Pb in Sn.
[Note: Your answer needs to include information on composition and
temperature]
iii.
Estimate the solubility limit of Pb in Sn at 100°C and 150°C.
:=
Transcribed Image Text:Figure 3 shows the lead (Pb)-tin (Sn) phase diagram used as a solder material. i. Derive the eutectic reaction for Pb-Sn alloy. Note: Your answer must include the composition and temperature of each phase] ii. Discuss the maximum solubility of Pb in Sn. [Note: Your answer needs to include information on composition and temperature] iii. Estimate the solubility limit of Pb in Sn at 100°C and 150°C. :=
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