a) I have labelled the regions for your convenience.
A- here solid A is in euilibrium with the liquid, composition of which lies on the curve be
B- solid B is in equilibrium with liquid
C- solid A and soild AB2
D- solid AB2 is in equilibrium with liquid
E- solid B and solid AB2
Area about the red line- liquid
2. [20pt] Consider the temperature-composition phase diagram shown below, which represents a solid-liquid equilibrium based on...
Consider the phase diagram shown below, which represents a liquid-vapour equilibrium. Label all regions, and indicate the number of composition and phases present at the points labelled b, d, e, f, g, and k. Temperature, T 0.2 0.8 0.4 0.6 Mole fraction of B,
Consider the hypothetical eutectic phase diagram for metals A and B, which is similar to that for the lead-tin system, (shown in the figure below.) Assume that (1) O and S phases exist at the A and B extremities of the phase diagram, respectively; (2) the eutectic composition is 36 wt% A-64 wt% B, and (3) the composition of the phase at the eutectic temperature is 88 wt% A-12 wt% B. Determine the composition of an alloy that will yield...
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...
URGENT Question 3 Consider a binary eutectic phase diagram, shown in the figure below, where substances A and B, which have partial solubility within each other in the solid state, will form the solid a and solid B solution phases. See the eutectic phase diagram containing the partial resolution and explain in detail the phases obtained by drawing the change graphs of the mixture with the mixture of Gibbs free energy at different temperatures. Constants: R=2 cal/molK= 8.32 J/molK=0.082 liter...
2. [25 points] The following figure shows the phase diagram of Cu-Ag alloy syst em. 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 1200p Liquid 1000 800 A B. 600 400 200 100 80 60 40 20 wt% Ag (o) What is the Ag composition in...
Question 4 (25 marks) (a) Consider the hypothetical eutectic phase diagram for metal for lead-tin system. Assume that (1) A and B phase cutectic phase diagram for metals A and B, which is similar to that 1. Assume that (1) a and B phases exist at the A and B extremities of the phase diagram, respectively; (2) the eutectic composi m, respectively; (2) the eutectic composition is 36 wt% A-64 wt% B; and (3) the composition of the a phase...
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...
6. Consider the Ti-Ni system in the figure below. Atomic Percent Nickel 20 I800 1600 L 1450C 1400 200 TIN (Ni) 1000 Un) re s00 Hati) s00 Ti Weight Percent Nickel N a. What are the melting temperatures of pure Ni and pure Ti? b. Label the liquidus and solidus lines in the figure. c. Label al field containing two phases in the figure. d. What is the maximum solubility of Ni in a-Ti and Ti in Ni? e. Write...
problems 7-9 7) Which of the following items are true for the p below? Version 2 are true for the phase diagram of carbon dioxide as seen 72.9 atm Supercritical fluid - medy Liquid Boiling Solid Puaponzatur Pressure (not to scale) 5.1 atm -- 1 Sublimation CD- noi Zobsins 11c -78.5°C -56.7°C Temperature (not to scale) A) Unlike many other substances, carbon dioxide does not have a pressure and temperature combination where liquid, solid, and gas phases coexist. B) Carbon...