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 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...
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...
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) 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...
Can someone help with this material science problem? Problem 10.38 (GO Tutorial) For a copper-silver alloy of composition 24 wt% Ag-76 wt% Cu and at 775°C (1425°F) (see Animated Figure 10: (a) Determine the mass fractions of a and β phases Mass fraction a Mass fraction β- (b) Determine the mass fractions of primary a and eutectic microconstituents do the following: Mass fraction a primary Mass fraction eutectic (c) Determine the mass fraction of eutectic a Mass fraction a eutectic|...
A 90 wt% Ag-10 wt% Cu alloy is heated to a temperature within the ß-liquid phase region. If the composition of the liquid phase is 85 wt% Ag, determine: 3. a) The temperature of the alloy b) The composition of the ß phase c) The mass fractions of both phases
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...
1. For the Cu-Zn phase diagram. For a 68 wt% Zn-32 wt% Cu alloy, list the phases and compositions that exist at 1000 °C, 760 °C, 600 °C and 400 °C. 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 ß represent? (1 point) Composition (at%...
For an alloy of composition Cu-40%Ag cooling slowly from the melt: A)At what temperature does the pro-eutectic (primary) ? phase begin to form? __________ B)At what temperature does the eutectic structure start to appear? _________ C)What is the composition of liquid phase at 780?C? __________ D)What is the mass fraction (amount) of liquid phase at 780?C? _________ E)What is the mass fraction of ? phase at 778?C? __________ F)What is the mass fraction of eutectic ? phase out of the...
1. For the Cu-Zn phase diagram. For a 68 wt% Zn-32 wt% Cu alloy, list the phases and compositions that exist at 1000 °C, 760 °C, 600 °C and 400 °C.......... .....(8 points) Composition (at% Zn) 20 40 60 80 1200 100 2200 2000 a + L Liquid 1000 1800 B+L 1600 800 B 1400 2 Temperature (°C) Temperature (°F) 8 8 +L 1200 600 1000 7+ + Z у 400 800 8' TE B + 600 200 0 (Cu)...