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![- ☆ using at point i Gibbs phase rule. ft p=c+ c=2 p=2 [@ +B] F = ? Fac-+! F-2-2+1 at point Bl FPECH - 241-1 Composition Comp](http://img.homeworklib.com/questions/b4223570-22b4-11eb-a454-716332542afa.png?x-oss-process=image/resize,w_560)
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Question 4. (6 points) The figure below is a binary Sn-Pb binary phase diagram. Please answer...
The following is the phase diagram for the lead-tin alloy: Pb-Sn Phase Diagram Composition (at% Sn)...
The following is the phase diagram for the lead-tin alloy: Pb-Sn Phase Diagram Composition (at% Sn) 100 300 500 200 83 C 61.9 97.8 300 100 100 100 Consider a lead-tin alloy containing 30 wt% Sn slowly (equilibrium) cooled from the liquid phase starting at 300°C. During this cooling process, the temperature of this alloy reaches 183.1° C (just above the eutectic temperature) and is held at this point of interest until equilibrium conditions are met. 1. (4 points) Draw...
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...
Question S. (8 points) In the Sn-Pb binary eutectic diagram very slow cooling rate in figure...
Question S. (8 points) In the Sn-Pb binary eutectic diagram very slow cooling rate in figure below nbove in question 4, you see a phase transformation (Line A) from a to a +B. Unlike the question 4. Assume you can control the cooling rate freely. To achieve a microstructure like the shows a distribution of fine precipitates insde the a grains, what cooling path do you need to 4, you perform. (the SEM image below is not actualy Sn-Pb but...
4) Below is the phase diagram for Pb-Sn alloy. a) At 200 C°, determine the phases...
4) Below is the phase diagram for Pb-Sn alloy. a) At 200 C°, determine the phases present at 10%Sn, 40%Sn and 80%Sn. (5 pts) b) At 200 C°, determine the composition of the phases for each weight percentage in (a). (5 pts) c) At 200 C°, determine the relative amount of each phase (weight fractions) for these points (5 pts) d) If you start cooling the system from 300 C° to 100 C°, what differences do you expect in the...
Just part c please 2,) Using the Pb - Sn phase diagram, at the points indicated...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
1. (a) The Pb-Sn alloys are used as solders in electronics. Figure B shows the Pb-Sn...
1. (a) The Pb-Sn alloys are used as solders in electronics. Figure B shows the Pb-Sn phase diagram. (i What is the melting point of Pb? (ii) What is the melting point of Sn? (il At what composition and temperature the eutectic reaction occurs? (iv) what is the composition of the ? and ? phases just below the eutectic temperature? Given an alloy with PbsotrSnsowt%. what is the composition of the ? and ? phases at 150 °C? At this...
Problem 3 A binary system of atoms A and B has a simple eutectic phase diagram...
Problem 3 A binary system of atoms A and B has a simple eutectic phase diagram (as shown below). The ternary solid solutions are a and R Let an A-rich sample of the composition indicated by the vertical line be solidified from the medt. It is found that its microstructure depends strongly on how rapidly it is cooled. Slow cooling leads to a polygranular structure of grains with small β grains dispersed throughout. Fast cooling leads to a dendritic structure...
Just part c please 2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The co...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate...
Pb-Sn Phase Diagram (Solder Alloys) Slowly cooling down 1 kg solder alloy with 50wt%,Sn from 300°...
Pb-Sn Phase Diagram (Solder Alloys) Slowly cooling down 1 kg solder alloy with 50wt%,Sn from 300°C to room! temperature (1) At 200°C, what are the phases and calculate the amount of each phase (2) At 100°C, what are the phases and calculate the amount of each phase Atomic percentage tin 10 20 30 40 50 60 70 80 90 400 327.502 300 231.9681 20 -Cu-Pb)- 19 183 61.9 97.5 (B-Sn) (a -Sn) 100 13° Pb 10 20 30 40 50...
In the binary phase diagram for the Cu-Ni system below Draw the microstructures for each point...
In the binary phase diagram for the Cu-Ni system below Draw the microstructures for each point upon cooling (A-E) and label ALL phases! What are the comport ions (C's) of each phase and the relative phase amount (w's) for each microstructure A-E.
The following is the phase diagram for the lead-tin alloy: Pb-Sn Phase Diagram Composition (at% Sn) 100 300 500 200 83 C 61.9 97.8 300 100 100 100 Consider a lead-tin alloy containing 30 wt% Sn slowly (equilibrium) cooled from the liquid phase starting at 300°C. During this cooling process, the temperature of this alloy reaches 183.1° C (just above the eutectic temperature) and is held at this point of interest until equilibrium conditions are met. 1. (4 points) Draw...
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...
Question S. (8 points) In the Sn-Pb binary eutectic diagram very slow cooling rate in figure below nbove in question 4, you see a phase transformation (Line A) from a to a +B. Unlike the question 4. Assume you can control the cooling rate freely. To achieve a microstructure like the shows a distribution of fine precipitates insde the a grains, what cooling path do you need to 4, you perform. (the SEM image below is not actualy Sn-Pb but...
4) Below is the phase diagram for Pb-Sn alloy. a) At 200 C°, determine the phases present at 10%Sn, 40%Sn and 80%Sn. (5 pts) b) At 200 C°, determine the composition of the phases for each weight percentage in (a). (5 pts) c) At 200 C°, determine the relative amount of each phase (weight fractions) for these points (5 pts) d) If you start cooling the system from 300 C° to 100 C°, what differences do you expect in the...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
1. (a) The Pb-Sn alloys are used as solders in electronics. Figure B shows the Pb-Sn phase diagram. (i What is the melting point of Pb? (ii) What is the melting point of Sn? (il At what composition and temperature the eutectic reaction occurs? (iv) what is the composition of the ? and ? phases just below the eutectic temperature? Given an alloy with PbsotrSnsowt%. what is the composition of the ? and ? phases at 150 °C? At this...
Problem 3 A binary system of atoms A and B has a simple eutectic phase diagram (as shown below). The ternary solid solutions are a and R Let an A-rich sample of the composition indicated by the vertical line be solidified from the medt. It is found that its microstructure depends strongly on how rapidly it is cooled. Slow cooling leads to a polygranular structure of grains with small β grains dispersed throughout. Fast cooling leads to a dendritic structure...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate...
Pb-Sn Phase Diagram (Solder Alloys) Slowly cooling down 1 kg solder alloy with 50wt%,Sn from 300°C to room! temperature (1) At 200°C, what are the phases and calculate the amount of each phase (2) At 100°C, what are the phases and calculate the amount of each phase Atomic percentage tin 10 20 30 40 50 60 70 80 90 400 327.502 300 231.9681 20 -Cu-Pb)- 19 183 61.9 97.5 (B-Sn) (a -Sn) 100 13° Pb 10 20 30 40 50...
In the binary phase diagram for the Cu-Ni system below Draw the microstructures for each point upon cooling (A-E) and label ALL phases! What are the comport ions (C's) of each phase and the relative phase amount (w's) for each microstructure A-E.
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