Yo WE/ Sn- 30 WE / Pballe determain: -the Phases prsent. the Phase compositions.
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A: The WT% of Ni in liquid, CL = 32 The Wt% of Ni in solid, Cs = 45
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A: Solution: Given Data: CL=32%Co=34%Cα=43%
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- Consider the phase diagram below. The three points A, B, and C are at concentrations of 26.4, 31.3, and 34 wt% Ni respectively. The ends of the tie line are at C1 = 25% wt% Ni and C2 = 35 wt% Ni. What are the weight fractions of the alpha phase at A and the L phase at B, as well as the alpha phase/L phase ratio at C? T(°C) 1300 L (liquid) 1200 20 A B C L + a C1 S liquidus L + a solidus a (solid) 50 wt% Ni a. Walpha=0.21; WL=0.33; Walpha/WL = 13.17 b. Walpha=0.09; WL=0.32; Walpha/WL = 15.00 c. Walpha=0.07; WL=0.46; Walpha/WL = 11.17 d. Walpha=0.14; WL=0.37; Walpha/WL = 9.00In a binary phase diagram ( pressure omitted) what is the maximum number of phases that can coexist for at least one degree of freedom?Q.4) For 30 wt% Sn - 70 wr% Pb alloy at 125 °C, (a) what phases are present? (b) What are the compositions of the phases? (c) Calculate the relative mass fraction of each phase present. Composition (at% Br 100 80 60 40 20 A 3270 Temperature (C) 300 200 100 0 0. (Pb) Solvus Solidu a+L B 18.3 20 liquidus Liquid 183 C 61.9 40 60 Composition (wt% Sn) 80 L 232 C G 97.8 1 600 500 P 400 (3) angesadway 300 200 H 100 100 (Sn)
- Q4: For a 98 wt% Fe-2 wt% C at a temperature 700 °C, determine the following: a) The Number and types of The Phases Present. b) The Amount Of Phases Present in Grams That forms per 100 G. c)Draw The Microstructure Of Phases Present At This Point And What is The React called? d) Specify the following on Iron- Carbon Phase Diagram: (y+ L) phase, Eutectoid Reactione.skg vapunz ann 9 mpe pont4 gas.sondrtand CUne gos 27 2o010 1eluoolomioinl bs,ebiloe,abiupil Exercises 501 lo lom a. Below what pressure does solid sulfur sublime? WETC .88 or b. Which of the two solid states of sulfur is most dense?d 76. The high-pressure phase diagram of ice is shown here. Notice that, under high pressure, ice can exist in several different solid forms. Which three forms of ice are present at the triple point marked O? What is the density of ice II compared to ice I (the familiar form of ice): WeE Would ice III sink or float in liquid water? gev2 bilo Ice VII Ice VI Ice V biupi m\L AOF Ice Ice II II Lbos A ebu Ice I Liquid water 1 atm Gaseous water Temperature (not to scale) The Uniqueness of Water 77. Water has a high boiling point given its relatively low molar Funlain Pressure (not to scale)Referring to Figure 1, please answer the following [NOTE: SHOW YOUR WORK on Figure 1]:a. provide the specific name for the phase boundary lines denoted by A and B. b. identify the phases present at equilibrium in the phase fields denoted by C, D, and E. c. identify the specific name for the point denoted by F. d. What is the maximum solid solubility of Mg in Al? At what temperature does it occur? e. An Al-Mg alloy (10 wt% Mg, 90 wt% Al) is heated slowly (to insure equilibrium) from a temperature of 200 C: i. At what temperature does the first liquid phase form? ii. What is the composition of the liquid phase at the temperature in part i.? iii. At what temperature does complete melting (no solid phase remaining) occur? iv. What is the composition of the last solid remaining prior to complete melting? f. Using the equilibrium phase diagram of Figure 1, identify the phases present, their compositions, and their relative mass fractions at equilibrium for a 70 wt% Mg – 30 wt% Al…
- (c) Suppose an alloy consists of a 75 wt% Sn-25 wt% Pb. i. List the phases present in the alloy at 185 °C. ii. Determine the composition of the phases present in (i). Calculate the relative amount of each phase present at 183 °C in terms of the mass iii. fraction. iv. Sketch with labels the microstructure of the alloy at the temperature of 183 °C - AT.Q.4) For 30 wt% Sn- 70 wt% Pb alloy at 125 °C, (a) what phases are present? (b) What are the compositions of the phases? (c) Calculate the relative mass fraction of each phase present. Temperature (°C) 4327 C 300 200 100 (Phi 20 Solvus Solidus B 20 40 Composition lat% Sni 60 liquidus 183 C 40 Liquid E 61.9 60 Composition (wt% Sn) 80 80 100 232 C G 97.8 600 500 TEL # 400 Temperature (F) 300 200 H 100 100 (Sn)Consider the phase diagram below. The three points A, B, and C are at concentrations of 27.6, 31.2, and 33.5 wt% Ni respectively. The ends of the tie line are at C1 = 25% wt% Ni and C2 = 35 wt% Ni. What are the weight fractions of the alpha phase at A and the L phase at B, as well as the alpha phase/L phase ratio at C? T(°C) 1300 1200 20 - L (liquid) ABC L + a C1 30 S liquidus L + a solidus α (solid) 40 a. Walpha=0.26; WL=0.38; Walpha/WL = 5.67 O b. Walpha=0.21; WL=0.33; Walpha/WL = 8.85 c. Walpha=0.32; WL=0.34; Walpha/WL = 8.94 O d. Walpha=0.18; WL=0.47; Walpha/WL = 7.56 50 wt% Ni
- Consider the phase diagram below. The three points A, B, and C are at concentrations of 27.3, 31.2, and 33.3 wt% Ni respectively. The ends of the tie line are at C1 = 25% wt% Ni and C2 = 35 wt% Ni. What are the weight fractions of the alpha phase at A and the L phase at B, as well as the alpha phase/L phase ratio at C? T(°C) 1300 1200 20 L (liquid) ABC L+a C1 Previous page 30 S liquidus L + a solidus α (solid) O a. Walpha=0.23; WL-0.38; Walpha/WL = 4.88 O b. Walpha=0.15; WL-0.47; Walpha/WL = 6.65 O c. Walpha=0.18; WL-0.33; Walpha/WL = 7.53 O d. Walpha=0.30; WL-0.34; Walpha/WL = 7.87 50 wt% Ni MacBook Pro Next pageQ1/ The figure below shows the phase equilibrium diagram for copper and silver Answer the following paragraphs? Conpostin a% 39 o = « & o Tepertue (F) @ Composttan (w5 ) 0 1- define pointe E? 2- define pointe B? 3- define the line AE? 4- define the line BG? 5- define the line FG?1. Visualize a substance with the following points on the phase diagram: a triplepoint at 0.05 atm and 150 K; a normal melting point at 175 K; a normal boiling pointat 350 K; and a critical point at 2.0 atm and 450 K. The solid liquid line is “normal”(meaning positive sloping). For this, complete the following:a. Roughly sketch the phase diagram, using units of atmosphere and Kelvin. Labelthe area 1, 2, and 3, and points T and C on the diagram.b. Describe what one would see at pressures and temperatures above 2.0 atmand 450 K.c. Describe the phase changes from 50 K to 250 K at 1.5 atm.d. What exists in a system that is at 1 atm and 350 K?e. What exists in a system that is at 1 atm and 175 K?2. Based from the phase diagrams of water and carbon dioxide, answer thefollowing questions and justify your answers: 1. You have ice at 263 K (-10.0 oC)and 1.0 atm. What could you do to make the ice sublime? 2. A sample of dry ice(solid CO2) is cooled to 173 K (-100.0 oC), and is set on a table at…