Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 8.15, Problem 44SEP
In Figure 8.12, determine the degree of freedom, F, according to the Gibbs rule at the following points. For each point explain what the determined degree of freedom indicates.
- a. At the melting point of pure tin.
- b. Inside the α region.
- c. Inside the α + liquid region
- d. Inside the α + β region
- e. At the eutectic point
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6. Match the proper description of the microstructure depicted below. Put the corresponding number/letter
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In a binary Fe-Fe3C system, what is the transformation that occurs when cooling an austenistic mixture of 2% C by weight from 1100°C to below the eutectoid temperature? What is the microstructure, and how is it formed? What are the concentrations of the total and partial phases? Data: eutectoid temperature: 723 ºC, eutectoid concentration: 0.76% C, limit concentration of ferrite: 0.022%, limit concentration of cementite: 6.7%.
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Foundations of Materials Science and Engineering
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