Is it possible to have a copper–zinc alloy that, at equilibrium, consists of an  phase of composition 75 wt% Zn– 25 wt% Cu, and also a liquid phase of composition 90 wt% Zn and 10 wt% Cu? If so, what will be the approximate temperature of the alloy? If this is not possible, explain why.

Q: For an alloy containing 40% p Sn - 60% p Pb at a temperature of 150°C: (a) Which phases are gifts?…

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Q: A hypothetical A-B alloy of composition 54 wt% B-46 wt% A at some temperature is found to consist of…

A: Given data as per the question Percentage of A =54% Percentage of B = 46% mass fraction =0.5

Q: For a hypothetical material, experiments show that a sample containing 1 billion atoms has 40…

A: Given; Number of atoms (N) @600° C is 1 billion (1×109 )  Numbers of vacancies (Nv) @600° C is 40…

Q: (°C) (liquid) L A

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Q: answer all the parts from a-c

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Q: Presume that we have 100 grams of an alloy with overall chemical composition of 90 wt. pct. tin and…

A: The mass of alloy, m = 100 gm The composition of the alloy = 90 wt%Sn and 10 wt% Pb The temperature…

Q: Assume you have 1kg of an alloy consisting of 85 wt% Sn and 15 wt% Pb at a temperature of 184 °C.…

A: Draw the above given phase diagram.

Q: For a hypothetical material, experiments show that a sample containing 1 billion atoms has 40…

A: Given Data T=6000c = T=600+273=873k N=number of atomic sites per cubic meter = 1x109 atoms/m3…

Q: For the alloy Mg-45 wt % Pb alloy at 500°C, what is the weight percentage of Pb in Liquid? It does…

A: Given: The wt percentage of Pb, Co = 45 The temperature of alloy, T = 500 C

Q: Figure below is a binary eutectic copper-silver phase diagram. Consider if 500 grams of an 88 wt%…

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Q: 1200 Liquid B+L 1000 a+L 28% 800- 780°C (Ag) (Cu)' 600 a +B 400 200 0- 10 20 30 40 50 60 70 80 90…

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Q: Draw the Fe-Fe3C equilibrium diagram, indicating the eutectic reaction, the eutectoid reaction, the…

A: Step 1: Step 2: Fe3C= cementite Step 3: alpha=ferrite Step 4:gamma=austenite

Q: Suppose the alloy in Example 9.3 in your book is reprocessed to a temperature at which the liquid…

A: Solution:

Q: c) The Cu-Zn phase diagram is shown in Figure 2. i) For a sample of composition 40 wt% Zn and 60 wt%…

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Q: a. Determine the composition of each phase in a Cu-40% Ni alloy at 1300°C, 1270°C, 1250°C, and…

A: a. Determine the composition of each phase in a Cu-40% Ni alloy at 1300°C, 1270°C, 1250°C, and…

Q: For alloys of two hypothetical metals A and B, there exist an a, A-rich phase, and a B, B-rich…

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Q: Quenching is a process used to preserve at room temperature a phase which exists in equilibrium at…

A: We are authorized to answer one question at a time since you have not mentioned which question you…

Q: 3. For the regions and points on the Fe-C phase diagram given bellow, write the corresponding phases…

A: The reaction and corresponding composition phases are written from diagram as,

Q: BI (a) Figure BI below shows the equilibrium phase diagram of hypothetical A - B alloy system.…

A: (i) Draw the given equilibrium phase diagram.

Q: 7. Consider 1.5 kg of a 99.6 wt% Fe-0.4 wt% C steel that is cooled to a temperature just below the…

A: In this problem we are asked to consider 2.0 kg of a 99.6 wt% Fe-0.4 wt% C alloy that is cooled to a…

Q: Cite the phases that are present and the phase compositions for the following alloys: 15 wt% Sn–85…

A: The allot properties- 15 wt% Sn–85 wt% P The temperature,T =100°C   To find: The phases and the…

Q: wing three phases are at equilibrium at the eutectic point. Which phase will have the highest…

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