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Consider the phase diagram for a hypothetical A-B system. Assume that A and B form ideal...
A copper-nickel alloy of composition (40% Ni-60% Cu) is slowly heated from a temperature of 1200°C: 1. a) At what temperature does the first liquid phase form? b) What is the composition of this liq...
A copper-nickel alloy of composition (40% Ni-60% Cu) is slowly heated from a temperature of 1200°C: 1. 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% N) 100 0 1600 2800 1500 1453°C Liquid 2600 Soldus line Liquidus line 1300 - 2200 120아ㅡㅡㅡㅡㅡ...
(50%) Elements A and B form a liquid solution, which at 1000%, extend from pure A...
(50%) Elements A and B form a liquid solution, which at 1000%, extend from pure A to pure B. This solution is known to be regular. At the composition XB = 0.4 , the activity of A is 0.25 based on pure liquid A as its standard state. (R-8.314J/mole °K) 1" (1590) Define what is meant by a "regular solution" for the molar Gibbs Free Energy of the solution. What are the general significances of the magnitude and sign of...
4) Assume that 1-bromobutane and 1-chloro butane form an ideal solution. At 273 K, P*c =...
4) Assume that 1-bromobutane and 1-chloro butane form an ideal solution. At 273 K, P*c = 3790 Pa and Per = 1394 Pa. When only a trace of liquid is present at 273 K, ycı = 0.630. a. Calculate the total pressure above the solution b. Calculate the mole fraction of 1-chlorobutane in the solution. C. What value would Zci (average composition) have in order for there to be 4.05 mol of liquid and 3.65 mol of gas at a...
2. A 50 wt% Ni-50 wt% Cu alloy is heated to a temperature within the a...
2. A 50 wt% Ni-50 wt% Cu alloy is heated to a temperature within the a + liquid-phase region. If the composition of the a phase is 58 wt% Ni, determine: a) The temperature of the alloy b) The composition of the liquid phase c) The relative amount of each phase (weight fractions) T(°C) 1600 1500 L (liquid) 1400 1300 iquiduis Na solidus 1200 1100 (FCC solid solution) 1000 L 0 20 40 60 80 100 wt% Ni
2. For the Cu-Ag phase diagram, answer the following. Label the figure and add is part...
2. 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...
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...
1 picture- problem 2 other pictures- phase diagrams for problem 1. Draw a phase diagram for...
1 picture- problem
2 other pictures- phase diagrams for problem
1. Draw a phase diagram for a binary eutectic alloy with solid solubility, naming and describing the significance of the main features. The binary alloy system of metals A and B contains two intermediate (intermetallic) phases A B and AB2 of narrow composition range, each of which forms by a peritectic reaction A cutectic point also exists, at 85at% B. The melting point of A is higher than that of...
2. [25 points] The following figure shows the phase diagram of Cu-Ag alloy system. A mixture of Ag and Cu with a eutectic composition (or concentration) is heated to a high temperature and keep f...
2. [25 points] The following figure shows the phase diagram of Cu-Ag alloy system. A mixture of Ag and Cu with a eutectic composition (or concentration) is heated to a high temperature and keep for enough time to prepare the material into a uniform liquid state. The material is then cooled down to 800°c. Cu-Ag System 1200 Liquid 800 A 600 400 100 80 60 40 20 wt% Ag a) What is the Ag composition in the original material so...
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...
Additional Problem 1: Consider the following binary phase diagram for the Cu-Ni system at 1 atm...
Additional Problem 1: Consider the following binary phase diagram for the Cu-Ni system at 1 atm pressure (a) For XNfotal 0.3 at 1500 K, find XNt and Xw°, and estimate f and f (b) Starting from XNfotal = 0.3 at 1500 K, the system is cooled, and a (Cu,Ni) solid solution forms. Find XNi for the last drop of the liquid as it crystallizes Ni 10 TГ Cu - Ni 20 30 40 50 60 70 80 90 wt% 1800...
A copper-nickel alloy of composition (40% Ni-60% Cu) is slowly heated from a temperature of 1200°C: 1. 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% N) 100 0 1600 2800 1500 1453°C Liquid 2600 Soldus line Liquidus line 1300 - 2200 120아ㅡㅡㅡㅡㅡ...
(50%) Elements A and B form a liquid solution, which at 1000%, extend from pure A to pure B. This solution is known to be regular. At the composition XB = 0.4 , the activity of A is 0.25 based on pure liquid A as its standard state. (R-8.314J/mole °K) 1" (1590) Define what is meant by a "regular solution" for the molar Gibbs Free Energy of the solution. What are the general significances of the magnitude and sign of...
4) Assume that 1-bromobutane and 1-chloro butane form an ideal solution. At 273 K, P*c = 3790 Pa and Per = 1394 Pa. When only a trace of liquid is present at 273 K, ycı = 0.630. a. Calculate the total pressure above the solution b. Calculate the mole fraction of 1-chlorobutane in the solution. C. What value would Zci (average composition) have in order for there to be 4.05 mol of liquid and 3.65 mol of gas at a...
2. A 50 wt% Ni-50 wt% Cu alloy is heated to a temperature within the a + liquid-phase region. If the composition of the a phase is 58 wt% Ni, determine: a) The temperature of the alloy b) The composition of the liquid phase c) The relative amount of each phase (weight fractions) T(°C) 1600 1500 L (liquid) 1400 1300 iquiduis Na solidus 1200 1100 (FCC solid solution) 1000 L 0 20 40 60 80 100 wt% Ni
2. 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...
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...
1 picture- problem
2 other pictures- phase diagrams for problem
1. Draw a phase diagram for a binary eutectic alloy with solid solubility, naming and describing the significance of the main features. The binary alloy system of metals A and B contains two intermediate (intermetallic) phases A B and AB2 of narrow composition range, each of which forms by a peritectic reaction A cutectic point also exists, at 85at% B. The melting point of A is higher than that of...
2. [25 points] The following figure shows the phase diagram of Cu-Ag alloy system. A mixture of Ag and Cu with a eutectic composition (or concentration) is heated to a high temperature and keep for enough time to prepare the material into a uniform liquid state. The material is then cooled down to 800°c. Cu-Ag System 1200 Liquid 800 A 600 400 100 80 60 40 20 wt% Ag a) What is the Ag composition in the original material so...
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...
Additional Problem 1: Consider the following binary phase diagram for the Cu-Ni system at 1 atm pressure (a) For XNfotal 0.3 at 1500 K, find XNt and Xw°, and estimate f and f (b) Starting from XNfotal = 0.3 at 1500 K, the system is cooled, and a (Cu,Ni) solid solution forms. Find XNi for the last drop of the liquid as it crystallizes Ni 10 TГ Cu - Ni 20 30 40 50 60 70 80 90 wt% 1800...
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