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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Question
Chapter 4, Problem 1P
To determine
The single phase, three phase reaction and intermetallic compound in a binary phase diagram for a system.
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What is meant by a phase? Describe an example. And what is the equilibrium phase diagram?
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Why are they so similar?
HINT: Review the Hume-Rothery rules.
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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- Use the phase diagrams for Cu-Ni and Cu-Ag systems below to answer the question: Based on the mechanism, would you expect a solution containing 80 wt% Cu to be stronger if the remaining 20% of the alloy was Ni or Ag? Briefly explainarrow_forwardMaterial science The figure given below shows the Pb-Sn binary phase diagram. a) Cite the phases present, their compositions and and calculate the relative amounts (in terms of mass fractions) of the phases for the alloy 75 wt. % Sn at temperatures of 175°C (A) and 250°C (B), respectively.arrow_forwardHow can we Interpret a Phase Diagram?arrow_forward
- Provide a hypothetical procedure for measuring the phase diagram at different temperatures.arrow_forwardConsider the binary Magnesium-Lead phase diagram below.arrow_forwardD23/ Below are given the solidus and liquidus temperatures for the germanium-silicon system. Construct the phase diagram for this system and label each region.arrow_forward
- 1) 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_forwardRefer to Figure 1 showing the phase diagram for the Fe-Fe3C system. Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 C (1341 F). What is the proeutectoid phase? How many kilograms each of total ferrite and cementite form? How many kilograms each of pearlite and the proeutectoid phase form? Schematically sketch and label the resulting microstructure.arrow_forwardIn Figure 1 (phase diagram), an alloy composition of 95 wt% Mg and 5 wt% Al is cooled from 700 C to 475 C. An analysis of the resulting ε solid-phase composition reveals that it has a higher Mg content than is anticipated by the phase diagram.a) Explain why this might be the case and how your reasoning results in the higher-than-expected Mg content.b) Provide a sketch showing the likely distribution of Mg content within the volume of ε solid-phase.arrow_forward
- Based on the phase diagrams, estimate the solubilities of Ni, Zn, Al, Sn, andBe in copper at room temperature. Are these solubilities expected in view ofHume-Rothery’s conditions for solid solubility? Explainarrow_forwardFor some given binary phase diagram, describe how you would: find the temperatures and compositions of all eutectic, eutectoid, peritectic, and congruent phase transformations write reactions for all these transformations for either heating or cooling (show an example).arrow_forwardConsidering an alloy of the two soluble components A and B described by a phase diagram similar to that shown in Figure 2.14, determine the masses of the alloy that are in the liquid and solid phases at a given temperature if the total mass of the alloy is 100 g, component B represents 40% of the alloy, 20% of the liquid is component B, and 70% of solid is component B.arrow_forward
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