1 picture- problem
2 other pictures- phase diagrams for problem
1 picture- problem 2 other pictures- phase diagrams for problem 1. Draw a phase diagram for...
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...
1. From the phase diagram for a binary mixture of titanium and nickel, find: a. label the two-phase regions with the phases present in each case. b. The phase or phases present in a mixture of 2g nickel with 48g titanium @ 1000C c. Amount of additional nickel in g required for the alloy to start to form a liquid at 1000C. d. Composition of the first liquid that starts to form as nickel is added to this alloy e....
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...
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...
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...
Figure 2 shows a part of Copper (Cu)-Stamun( So) phase disgram. Based on Figure 2 answer the following questions (a a) Identify phases (a) to (e) Identify two isothermal reactions. Write the equation for each reaction including the composition and temperature. (b) Consider an alloy containing 20t % Sn : (c) If the alloy is heated, at what temperatures the melting process begin and complete What are the phases present and their compositions at the temperatures of 850°C, 700°C and...
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...
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...
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...