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 whole alloy at 778?C? __________
For an alloy of composition Cu-40%Ag cooling slowly from the melt: A)At what temperature does the...
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|...
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...
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...
Composition (at% Ag) 0 20 40 60 80 100 2200 1200 A 2000 -Liquidus 1000 Liquid 1800 F Solidus a + L 1600 a 800 779°C (TE) BUL B E G 1400 8.0 (C&E) Temperature (°C) 71.9 (CE) B 91.2 (CBE) Temperature (°F) 1200 600 1000 Solvus a + B 800 400 с 600 H 200 400 100 0 20 40 60 80 (Cu) Composition (wt% Ag) (Ag) c) Assume slow cooling and that equilibrium conditions exist for the alloy...
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) 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...
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...
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...
Moving to another question will save this response Question of estion 6 20 points The microstructure of a comper silver alloy at 775°C (1425) costs of primary and eutectic structures. If the mass fractions of these two microcons are 0.10 and 0.70, respectively, determine the composition of the alloy (wig) Compositions Moving to another question will save this response. Question 6 The microstructure of a copper-silver alloy at 775°C (1425°F) consists of primary a and eutectic structures. If the mass...