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In the Al-Cu phase diagram, determine what phases are present in the binary areas (white area). D...
The Al-Cu equilibrium phase diagram is reported below. For age hardening the alloy containing 4% of...
The Al-Cu equilibrium phase diagram is reported below. For age hardening the alloy containing 4% of Cu: 700 (660 L 600 a+ @+L O 5.65 $25 500 Temperature (°C) 400 + 300 200 AI 10 20 30 40 SO Weight percent copper Select one: O a. a microstructure consisting of alpha phase with theta phase precipitated at grain boundaries must be obtained b. initially the alloy must be first solution annealed at 550 °C and then quenched down to room...
5. Part of the Al-Cu phase diagram is shown below. Consider an AI-33 wt% Cu alloy which has been solidified 800 700 660°C 600 548°C 02 3% 500 - 400 300 200 10 20 40 50 70 30 60 Al Wt % Cu a) What pha...
5. Part of the Al-Cu phase diagram is shown below. Consider an AI-33 wt% Cu alloy which has been solidified 800 700 660°C 600 548°C 02 3% 500 - 400 300 200 10 20 40 50 70 30 60 Al Wt % Cu a) What phases would be present after solidification and cooling to room temperature? b) What compositions would those phases have? c) Calculate the relative amounts of those phases d) Below is a micrograph for the solidified Al-33...
Consider the Cu-Ag phase diagram provided. What phases are present at equilibrium if an alloy of...
Consider the Cu-Ag phase diagram provided. What phases are present at equilibrium if an alloy of Cu-50wt%Ag is held at 800°C. What are the compositions of the phases? Composition (at% Ag) - 40 60 80 1200 2200 100 2000 -Liquidus Liquid -Solidus ar + L 800 779°C (Te) 71.9 Temperature (°C) 91.2 (CBE) Temperature (°F) Solvus + B 20 80 100 40 60 Composition (wt% Ag) (Cu) (Ag) The phases present are a (8 wt%Ag, 92 wt%Cu) and B (93...
3. In the following phase diagram, determine (20 points): a. We are interested to design an alloy...
3. In the following phase diagram, determine (20 points): a. We are interested to design an alloy with heat treatable characteristics. Please suggest a composition range and explain why (3 points)? b. The present phases at point "A", "B" and "C". For "C", you need to mention what kind of phase transformation may happen (3 points). c. The phase compositions for these points (3 points) d. The relative amount (fraction) of each phases (hint: Lever Rule) (6 points). e. Draw...
4 Based on the given Cu-Zn phase diagram in figure 1, identify all the microstructural changes...
4 Based on the given Cu-Zn phase diagram in figure 1, identify all the microstructural changes in terms of phases changes) for Cu-30 wt% Zn and Cu-40 wt.% Zn alloy when they are slowly cooled down to room temperature from their melting temperatures. What are the temperatures where phase changes occur during solidification of the alloys? 4 Based on the given Cu-Zn phase diagram in figure 1, identify all the microstructural changes in terms of phases changes) for Cu-30 wt%...
For the Cu-Ag phase diagram, answer the following. Label the figure and add is part of...
For the Cu-Ag phase diagram, answer the following. Label the figure and add is part of your answer sheet........ ...(11 points) a) What is the eutectic temperature and composition? (1 point) b) In the context of this diagram, what does the symbol B represent? (1 point) c) Assume slow cooling and that equilibrium conditions exist for the alloy for 70 wt% Ag – 30 wt% Cu. If this is being cooled from 1000 °C, when will the first solid form...
For a 70 wt % You are given the binary eutectic copper-silver phase diagram shown in Figure 2. Cu...
For a 70 wt % You are given the binary eutectic copper-silver phase diagram shown in Figure 2. Cu-30 wt% Ag alloy at a temperature of 1600°F, determine the following: . The phases present at the provided state point The weight percent of these phases along the tie line. The amounts of each of these phases at the state point. The degree(s) of freedom at the provided state point Atomic percent silver 30 40 50 60 70 80 90 10...
A 90 wt% Ag-10 wt% Cu alloy is heated to a temperature within the ß-liquid phase...
A 90 wt% Ag-10 wt% Cu alloy is heated to a temperature within the ß-liquid phase region. If the composition of the liquid phase is 85 wt% Ag, determine: 3. a) The temperature of the alloy b) The composition of the ß phase c) The mass fractions of both phases
For the Cu-Ag phase diagram, answer the following. Label the figure and add is part of...
For the Cu-Ag phase diagram, answer the following. Label the
figure and add is part of your answer sheet………………………….(11 points)
What is the eutectic temperature and composition? (1
point)
In the context of this diagram, what does the symbol β
represent? (1 point)
Assume slow cooling and that equilibrium conditions exist for
the alloy for 70 wt% Ag – 30 wt% Cu. If this is being cooled from
1000 °C, when will the first solid form and what composition would...
Quiz 22 I. For a 95% Al-5% Cu alloy (vertical line): a. (4 pts) Sketch and...
Quiz 22 I. For a 95% Al-5% Cu alloy (vertical line): a. (4 pts) Sketch and label what you expect the microstructure to look like if the alloy is slow (equilibrium) cooled from 550°C to room temperature 800 700 660. 52 600 T (°C) 548 2 b. (4 pts) Sketch and label what you expect the microstructure of an overaged precipitation hardened alloy to look like. 5.65 500 - 400 c. (2 points) Why aren't Aluminum-Copper alloys containing 10 wt%...
The Al-Cu equilibrium phase diagram is reported below. For age hardening the alloy containing 4% of Cu: 700 (660 L 600 a+ @+L O 5.65 $25 500 Temperature (°C) 400 + 300 200 AI 10 20 30 40 SO Weight percent copper Select one: O a. a microstructure consisting of alpha phase with theta phase precipitated at grain boundaries must be obtained b. initially the alloy must be first solution annealed at 550 °C and then quenched down to room...
5. Part of the Al-Cu phase diagram is shown below. Consider an AI-33 wt% Cu alloy which has been solidified 800 700 660°C 600 548°C 02 3% 500 - 400 300 200 10 20 40 50 70 30 60 Al Wt % Cu a) What phases would be present after solidification and cooling to room temperature? b) What compositions would those phases have? c) Calculate the relative amounts of those phases d) Below is a micrograph for the solidified Al-33...
Consider the Cu-Ag phase diagram provided. What phases are present at equilibrium if an alloy of Cu-50wt%Ag is held at 800°C. What are the compositions of the phases? Composition (at% Ag) - 40 60 80 1200 2200 100 2000 -Liquidus Liquid -Solidus ar + L 800 779°C (Te) 71.9 Temperature (°C) 91.2 (CBE) Temperature (°F) Solvus + B 20 80 100 40 60 Composition (wt% Ag) (Cu) (Ag) The phases present are a (8 wt%Ag, 92 wt%Cu) and B (93...
3. In the following phase diagram, determine (20 points): a. We are interested to design an alloy with heat treatable characteristics. Please suggest a composition range and explain why (3 points)? b. The present phases at point "A", "B" and "C". For "C", you need to mention what kind of phase transformation may happen (3 points). c. The phase compositions for these points (3 points) d. The relative amount (fraction) of each phases (hint: Lever Rule) (6 points). e. Draw...
4 Based on the given Cu-Zn phase diagram in figure 1, identify all the microstructural changes in terms of phases changes) for Cu-30 wt% Zn and Cu-40 wt.% Zn alloy when they are slowly cooled down to room temperature from their melting temperatures. What are the temperatures where phase changes occur during solidification of the alloys? 4 Based on the given Cu-Zn phase diagram in figure 1, identify all the microstructural changes in terms of phases changes) for Cu-30 wt%...
For the Cu-Ag phase diagram, answer the following. Label the figure and add is part of your answer sheet........ ...(11 points) a) What is the eutectic temperature and composition? (1 point) b) In the context of this diagram, what does the symbol B represent? (1 point) c) Assume slow cooling and that equilibrium conditions exist for the alloy for 70 wt% Ag – 30 wt% Cu. If this is being cooled from 1000 °C, when will the first solid form...
For a 70 wt % You are given the binary eutectic copper-silver phase diagram shown in Figure 2. Cu-30 wt% Ag alloy at a temperature of 1600°F, determine the following: . The phases present at the provided state point The weight percent of these phases along the tie line. The amounts of each of these phases at the state point. The degree(s) of freedom at the provided state point Atomic percent silver 30 40 50 60 70 80 90 10...
A 90 wt% Ag-10 wt% Cu alloy is heated to a temperature within the ß-liquid phase region. If the composition of the liquid phase is 85 wt% Ag, determine: 3. a) The temperature of the alloy b) The composition of the ß phase c) The mass fractions of both phases
For the Cu-Ag phase diagram, answer the following. Label the
figure and add is part of your answer sheet………………………….(11 points)
What is the eutectic temperature and composition? (1
point)
In the context of this diagram, what does the symbol β
represent? (1 point)
Assume slow cooling and that equilibrium conditions exist for
the alloy for 70 wt% Ag – 30 wt% Cu. If this is being cooled from
1000 °C, when will the first solid form and what composition would...
Quiz 22 I. For a 95% Al-5% Cu alloy (vertical line): a. (4 pts) Sketch and label what you expect the microstructure to look like if the alloy is slow (equilibrium) cooled from 550°C to room temperature 800 700 660. 52 600 T (°C) 548 2 b. (4 pts) Sketch and label what you expect the microstructure of an overaged precipitation hardened alloy to look like. 5.65 500 - 400 c. (2 points) Why aren't Aluminum-Copper alloys containing 10 wt%...
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