An alloy of 30 wt % Pb and 70 wt % Sn is slowly cooled from 250°C to 27°C: d) What is the amount and composition of each phase that is present at 183°C - ∆T ? e) What are the amounts of each phase present at room temperature? f) Draw the microstructure 183°C + ∆T and 183°C - ∆T in 2 cm diameter circle.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.2P: 5.2 Evaluate the Prandtl number from the following data: , .
icon
Related questions
Question
100%

An alloy of 30 wt % Pb and 70 wt % Sn is slowly cooled from 250°C to 27°C:

d) What is the amount and composition of each phase that is present at 183°C - ∆T ?

e) What are the amounts of each phase present at room temperature?

f) Draw the microstructure 183°C + ∆T and 183°C - ∆T in 2 cm diameter circle.

327
Solidus
Liquidus
300-
Liquid
Liquidus
250
a + liquid
Solidus
200
B+ liquid
183
150
Eutectic point
Solvus
a +B
100
Solvus
50
19.2
40.0
61.9
97.5
50 60
90 100%
Sn
10
20
30
40
70
80
100%
Weight percent tin
Temperature (C)
Transcribed Image Text:327 Solidus Liquidus 300- Liquid Liquidus 250 a + liquid Solidus 200 B+ liquid 183 150 Eutectic point Solvus a +B 100 Solvus 50 19.2 40.0 61.9 97.5 50 60 90 100% Sn 10 20 30 40 70 80 100% Weight percent tin Temperature (C)
Expert Solution
steps

Step by step

Solved in 4 steps with 2 images

Blurred answer
Knowledge Booster
Types of Phase Diagrams and Its Applications in Metallurgy
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Heat Transfer (Activate Learning wi…
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning