Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Textbook Question
Chapter 4, Problem 3RQ
Supplement the examples provided in the text with another example of a single phase that is each of the following: continuous, discontinuous, gaseous, and a liquid solution.
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How can we Interpret a Phase Diagram?
For two hypotetical materials which have limitless solubility for both in the “liquid” and “solid” states in each other, the following data are listed. Melting Temperatures of material A and B are Tm,A and Tm,B respectively, Liquidus and Solidus curves are circular arcs.
a- Draw the related “Phase Diagram” of Material A and Material B showing the data given and calculated.
b- Calculate/Determine the compositions of phases at T2 , explain the procedure.
c- Calculate/Determine the “percentages” of “phases” of Alloy,2 at T2 , explain the procedure.
Given:
-Tm,A, Celcius =300
-Tm,B, Celcius =800
-T1, Celcius =600
-B percentage of Liquid phase at
T1 =25
-B percentage of Solid phase
at T1 =70
-B percentage of Alloy 2. =50
-T2, Celcius =650
-B percentage of Liquid phase of
Alloy 2 at T2 = to be calculated
-B percentage of Solid phase of
Alloy 2 at T2 = to be calculated
Imagine a substance with the following points on the phase diagram: a triple point at .5 atm and -5ºC; a normal melting point at 20ºC; normal boiling point at 150ºC; and a critical point at 5 atm and 1000ºC. The solid liquid line is “normal” (meaning positive sloping). For this, complete the following:
1. Describe what one would see at pressures and temperatures above 5 atm and 1000ºC.
2. Describe what will happen to the substance when it begins in a vacuum at -15 ºC and is slowly pressurized.
3. Describe the phase changes from -80ºC to 500ºC at 2 atm.
Chapter 4 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 4 - What kind of questions can be answered by...Ch. 4 - Prob. 2RQCh. 4 - Supplement the examples provided in the text with...Ch. 4 - Prob. 4RQCh. 4 - What three primary variables are generally...Ch. 4 - Use the pressure–temperature diagram for water...Ch. 4 - Prob. 7RQCh. 4 - What form of equilibrium phase diagram is most...Ch. 4 - What is a cooling curve?Ch. 4 - Prob. 10RQ
Ch. 4 - Prob. 11RQCh. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - What types of changes occur upon cooling through a...Ch. 4 - Prob. 15RQCh. 4 - What is a tie�line? For what types of phase...Ch. 4 - What points on a tie�line are used to determine...Ch. 4 - Prob. 18RQCh. 4 - What is a cored structure? Under what conditions...Ch. 4 - What is the difference between a cored structure...Ch. 4 - Prob. 21RQCh. 4 - Prob. 22RQCh. 4 - Prob. 23RQCh. 4 - Prob. 24RQCh. 4 - For the various three�phase reactions, what does...Ch. 4 - Prob. 26RQCh. 4 - Prob. 27RQCh. 4 - Prob. 28RQCh. 4 - Prob. 29RQCh. 4 - Prob. 30RQCh. 4 - Prob. 31RQCh. 4 - Prob. 32RQCh. 4 - Prob. 33RQCh. 4 - Prob. 34RQCh. 4 - Prob. 35RQCh. 4 - Prob. 36RQCh. 4 - Prob. 37RQCh. 4 - What is carbon equivalent, and how is it computed?Ch. 4 - Prob. 39RQCh. 4 - Prob. 40RQCh. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Consider the manufacture of a fishhook beginning...Ch. 4 - If a stainless steel were to be used, what type of...Ch. 4 - A wide spectrum of coatings and surface treatments...Ch. 4 - Prob. 1.4CSCh. 4 - Prob. 2.1CSCh. 4 - Prob. 2.2CSCh. 4 - Prob. 2.3CSCh. 4 - Prob. 2.4CS
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- How do you call in binary phase diagram, the line which is described as the locus of all system that represent the boundary between a single liquid phase and the two phases? Liquidus Eutectic point Critical point Triple pointarrow_forwardVisualize a substance with the following points on the phase diagram: a triple point at 0.05 atm and 150 K; a normal melting point at 175 K; A normal boiling at 350 K; and a Critical point at 2.0 atm and 450 K. The solid liquid line is normal. For this complete the following: a. Describe what one would see at pressures and temperatures above 2.0 atm and 450 K. b. Describe the phase changes from 50 K to 250 K at 1.5 atmarrow_forward1) Given the following information construct a hypothetical phase diagram formetals A and B between the temperatures of 400 and 800 o C given the followinginformation The two end member components are A and B The bottom axis should given in mol% B with 100 mol% B being on the right sideof the diagram. The melting temperature of metal A is 750 o C. The melting temperature of metal B is 700 o C. One eutectic occurs at 600 o C and 75 mol% B. The maximum solubility of A in B is 15 mol% A, and occurs 600 o C.The maximum solubility of B in A is 10 mol% B and occurs 600 o C. 2) Label all regions on the phase diagram 3) Sketch representations of the equilibrium microstructures for the phase diagramabove, for an A-B alloy of the eutectic composition at 750 and 500 o Carrow_forward
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