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Q1 (10 points): 100 kg of Pb Sn alloy with composition of50-50wt%s cooled slowlyfrom 300°C to...
Composition (at% Sn) 60 0 20 10 80 100 327°C 600 300 Liquid 500 232°C a...
Composition (at% Sn) 60 0 20 10 80 100 327°C 600 300 Liquid 500 232°C a + L 200 183°C B+ 400 B Temperature (°C) Temperature (°F) 18.3 61.9 97.8 300 100 +B 200 100 20 40 60 80 100 (Sn) (Pb) Composition (wt% Sn) 3. A Pb-Sn phase diagram is given. Answer the following questions. There is no need to re-draw the diagram in your solution sheet. (a) What is maximum solubility of Sn in Pb? (1 point) (b)...
(12 Question 2: points: 4 pts each) For a Lead-Tin (Pb-Sn) alloy of composition 85 wt%...
(12 Question 2: points: 4 pts each) For a Lead-Tin (Pb-Sn) alloy of composition 85 wt% Sn - 15 wt % Pb and at 182 °C determine the followings: Show your calculation details in your answer and draw lines on the phase diagram to label the phases and compositions. a) Determine the mass fractions of a and B phases. b) Determine the mass fractions of primary B and eutectic microconstituents. c) Determine the mass fraction of eutectic B. Composition (at%...
14. Use the lead-tin phase diagram (below). A Sn-Pb alloy is heated to a temperature within...
14. Use the lead-tin phase diagram (below). A Sn-Pb alloy is heated to a temperature within the a liquid phase region. If the composition of the a phase is 10 wt% Sn, determine: a. The temperature of the alloy b. The composition of the liquid phase c. What is the maximum solubility of Sn in a and Pb in B? d. What is the eutectic composition for the Pb-Sn system? Composition (at% Sn) 0 20 40 60 80 100 327°C...
For a lead-tin alloy of composition 40 wt% Sn–60 wt% Pb with a total mass of...
For a lead-tin alloy of composition 40 wt% Sn–60 wt% Pb with a total mass of 2.8 kg at 180°C (355°F): (a) Determine the mass of the a and ß phases. (b) What is the primary phase present for this alloy? (c) Determine the mass of the primary phase and the eutectic microconstituents. (d) Determine the mass of eutectic a. Composition (at% Sn) 40 60 80 100 o 20 327°C 600 300 Liquid 500 232°C a + L 200 a...
14. Use the lead-tin phase diagram (below). A Sn-Pb alloy is heated to a temperature within...
14. Use the lead-tin phase diagram (below). A Sn-Pb alloy is heated to a temperature within the a+ liquid phase region. If the composition of the a phase is 10 wt% Sn, determine: The temperature of the alloy 275°C b. The composition of the liquid phase a. c. What is the maximum solubility of Sn in a and Pb in B? Sna = 18.3% Pog: 2.2 % d. What is the eutectic composition for the Pb-Sn system? Sn = 61.9%...
structure and properties of materials Question 2: (12 points: 4 pts each) For a Lead-Tin (Pb-Sn)...
structure and properties of materials
Question 2: (12 points: 4 pts each) For a Lead-Tin (Pb-Sn) alloy of composition 20 wt% Sn - 80 wt% Pb and at 182 °C determine the followings: Show your calculation details in your answer and draw lines on the phase diagram to label the phases and compositions. a) Determine the mass fractions of a and B phases. b) Determine the mass fractions of primary a and eutectic microconstituents. c) Determine the mass fraction of...
For a lead-tin alloy of composition Pb-30 wt.% Sn are heated to 300°C and slowly cooling...
For a lead-tin alloy of composition Pb-30 wt.% Sn are heated to 300°C and slowly cooling down to room temperature. A Eutectic phase diagram of lead-tin alloy is shown in figure 3. What are the expected phases at 250°C, 150°C and at room temperature and estimate approximate phase fractions at these temperatures. Schematically draw the microstructures that would form at 250°C, 150°C and at room temperature. For a lead-tin alloy of composition Pb-30 wt.% Sn are heated to 300°C and...
A lead-tin alloy of composition 30 wt% Sn-70 wt% Pb is slowly heated from a temperature...
A lead-tin alloy of composition 30 wt% Sn-70 wt% Pb is slowly heated from a temperature of 150°C (300°F) (a) At what temperature does the first liquid phase form? (b) What is the composition of this liquid phase? (c) At what temperature does complete melting of the alloy occur? (d) What is the composition of the last solid remaining prior to complete melting? Composition (at% Sn) 40 100 327C 300 500 232 C 400 183°C 18.3 61.9 97.8 300 100...
Canvas XCO Composition as 0 100 20 60 80 40 1 327°C 600 300 Liquid 500...
Canvas XCO Composition as 0 100 20 60 80 40 1 327°C 600 300 Liquid 500 232C a + L 200 400 183°C 8 Temperature (°C) Temperature (7) 18.3 61.9 97.8 300 100 4+ 200 100 0 O 20 40 60 80 100 (Pb) Composition (wt% Sn) (Sn) 3. A Pb-Sn phase diagram is given Answer the following questions. There is no need to re-draw the diagram in your solution sheet. (a) What is maximum solubility of Sn in Pb...
Question 1: (16 points: 4 pts each) A 45 wt% Pb - 55 wt% Mg alloy...
Question 1: (16 points: 4 pts each) A 45 wt% Pb - 55 wt% Mg alloy is slowly cooled from 700°C to 400 °C. (a) At what temperature does the first solid phase form? (b) What is the composition of this solid phase? c) At what temperature does the liquid solidify? (d) What is the composition of this last remaining liquid phase? Composition (at% Pb) 10 20 30 40 70 100 700 L 600 L + MezPo M 500 400...
Composition (at% Sn) 60 0 20 10 80 100 327°C 600 300 Liquid 500 232°C a + L 200 183°C B+ 400 B Temperature (°C) Temperature (°F) 18.3 61.9 97.8 300 100 +B 200 100 20 40 60 80 100 (Sn) (Pb) Composition (wt% Sn) 3. A Pb-Sn phase diagram is given. Answer the following questions. There is no need to re-draw the diagram in your solution sheet. (a) What is maximum solubility of Sn in Pb? (1 point) (b)...
(12 Question 2: points: 4 pts each) For a Lead-Tin (Pb-Sn) alloy of composition 85 wt% Sn - 15 wt % Pb and at 182 °C determine the followings: Show your calculation details in your answer and draw lines on the phase diagram to label the phases and compositions. a) Determine the mass fractions of a and B phases. b) Determine the mass fractions of primary B and eutectic microconstituents. c) Determine the mass fraction of eutectic B. Composition (at%...
14. Use the lead-tin phase diagram (below). A Sn-Pb alloy is heated to a temperature within the a liquid phase region. If the composition of the a phase is 10 wt% Sn, determine: a. The temperature of the alloy b. The composition of the liquid phase c. What is the maximum solubility of Sn in a and Pb in B? d. What is the eutectic composition for the Pb-Sn system? Composition (at% Sn) 0 20 40 60 80 100 327°C...
For a lead-tin alloy of composition 40 wt% Sn–60 wt% Pb with a total mass of 2.8 kg at 180°C (355°F): (a) Determine the mass of the a and ß phases. (b) What is the primary phase present for this alloy? (c) Determine the mass of the primary phase and the eutectic microconstituents. (d) Determine the mass of eutectic a. Composition (at% Sn) 40 60 80 100 o 20 327°C 600 300 Liquid 500 232°C a + L 200 a...
14. Use the lead-tin phase diagram (below). A Sn-Pb alloy is heated to a temperature within the a+ liquid phase region. If the composition of the a phase is 10 wt% Sn, determine: The temperature of the alloy 275°C b. The composition of the liquid phase a. c. What is the maximum solubility of Sn in a and Pb in B? Sna = 18.3% Pog: 2.2 % d. What is the eutectic composition for the Pb-Sn system? Sn = 61.9%...
structure and properties of materials
Question 2: (12 points: 4 pts each) For a Lead-Tin (Pb-Sn) alloy of composition 20 wt% Sn - 80 wt% Pb and at 182 °C determine the followings: Show your calculation details in your answer and draw lines on the phase diagram to label the phases and compositions. a) Determine the mass fractions of a and B phases. b) Determine the mass fractions of primary a and eutectic microconstituents. c) Determine the mass fraction of...
For a lead-tin alloy of composition Pb-30 wt.% Sn are heated to 300°C and slowly cooling down to room temperature. A Eutectic phase diagram of lead-tin alloy is shown in figure 3. What are the expected phases at 250°C, 150°C and at room temperature and estimate approximate phase fractions at these temperatures. Schematically draw the microstructures that would form at 250°C, 150°C and at room temperature. For a lead-tin alloy of composition Pb-30 wt.% Sn are heated to 300°C and...
A lead-tin alloy of composition 30 wt% Sn-70 wt% Pb is slowly heated from a temperature of 150°C (300°F) (a) At what temperature does the first liquid phase form? (b) What is the composition of this liquid phase? (c) At what temperature does complete melting of the alloy occur? (d) What is the composition of the last solid remaining prior to complete melting? Composition (at% Sn) 40 100 327C 300 500 232 C 400 183°C 18.3 61.9 97.8 300 100...
Canvas XCO Composition as 0 100 20 60 80 40 1 327°C 600 300 Liquid 500 232C a + L 200 400 183°C 8 Temperature (°C) Temperature (7) 18.3 61.9 97.8 300 100 4+ 200 100 0 O 20 40 60 80 100 (Pb) Composition (wt% Sn) (Sn) 3. A Pb-Sn phase diagram is given Answer the following questions. There is no need to re-draw the diagram in your solution sheet. (a) What is maximum solubility of Sn in Pb...
Question 1: (16 points: 4 pts each) A 45 wt% Pb - 55 wt% Mg alloy is slowly cooled from 700°C to 400 °C. (a) At what temperature does the first solid phase form? (b) What is the composition of this solid phase? c) At what temperature does the liquid solidify? (d) What is the composition of this last remaining liquid phase? Composition (at% Pb) 10 20 30 40 70 100 700 L 600 L + MezPo M 500 400...
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