Name:Question #2: Consider the following questions based on the binary phase diagram for copper and zinc:trom1064.6100037.532.5 002 38.8834 C58.580060.8700°C00.880.3700876.5B8.2600(Cu)70.61741660°C78.650038.95 454C46.5468°Cn 57.748.9G8.3425°C972088.3419.58 C400(Zn)300200100607080100500610203040ZnCuWeight Percent Zinca. [8 pts] Name the phase or phases present in this brass alloy with the composition andtemperature shown by the "X" on the phase diagram (60% Cu, 40% Zn, 600 °C).Temperature °Cli

Answered: Image /qna-images/answer/19f18346-9d94-4691-bc94-5436eaf3a072.jpg

Answered: 1000 37.5 32.500236.8 900 834 C 60.8…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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help pls A two-phase phase diagram is shown. Answer the following questions t -1300 1500+ Temperature 1100 0 34 54! 166 482 80 Composition of Ni % 20 What is the composition (in % Cu) of the solid phase corresponding to the red dot in between the solidus and liquidus lines in the phase diagram? Just write the number. Do not write the % symbol. Question 17 2.33 100 An alloy is being made with 66% Ni and 34% Cu. When it is cooled from 1500°C to the temperature corresponding to the red dot in the phase diagram, how many kg of liquid is present in the mixture?
Question One (Compulsory) Composition (atk Sn) 100 20 40 60 80 327C B00 300 Liquid 500 232C 400 200 183C 07.8 18.3 61.9 300 100- H200 100 BO 100 20 40 60 Pb) Compesition (wt% Sn) Figure 1: Lead -tin phase diagram Figure I above shows a lead-tin (alloy) phase diagram. Consider an alloy composition of 55 wt% Sn - 45 wt% Pb. Answer the following questions: (i) Name the phases present and their compositions in the alloy at 150°C. (ii) Describe the structural and composition changes in the alloy when it is cooled from 190°C to 20°C. (iii) What are the compositions of phases at the eutectic point and why is this point important for the alloy? (iv) Given that the average density of a phase is determined as Pa = 100 ,calculate the PA PB volume fractions of the phases at the given compositions and at 150°C. Take the densities of lead and tin as 11.34 g/cm' and 7.36 g/cm' while the mass fraction of a is 0.21. (v) Name and describe four industrial applications of lead-tin alloys. ta aroundu (3.)…
Given the Cu-Zn phase diagram below, determine the amount of the phase/s present of a 75 wt% Zn -25 wt% Cu alloy for the following temperatures. Indicate the required composition for each temperature in the diagram. Round off your final answers up to two decimal places. Show your solutions completely and neatly and follow the table format below, Temperature Phase/s present Phase composition Relative amount 600 °C 570 °C y+ L 700 1200 8+L L 600 P 598°C 560°C 570 |1000 e + L y +e 500 60 68.6 70 74.3 75 78.2 80 90 Composition (wt % Zn) Temperature (°C) ta Temperature (°F)
Question 9 An Ag-Cu alloy contains 25% a and 75% B at 600"C. The composition of the overall alloy is approximately 1000 L+B 800 a /8.87. 28-12 9224 a +8 500 972 400 Ag 10 20 30 40 50 60 70 80 90 Cu Cu (by weight) O A. 73.5% Cu OB. 65.8% Cu OC. 89.6% Cu D 80.2% Cu
Use the Cu-Ag Phase Diagram below to answer the following questions Composition (at% Ag) 20 40 60 80 100 2200 1200 A 2000 Liquidus 1000 Liquid 1800 Solidus C F a +L 1600 * 800 779 C (T) B+L E G 91.2 (Ceg 8.0 71.9 1400 (Cg). 1200 600 Solvus 1000 a +B 800 400 600 200 o 400 100 20 40 60 80 (Cu) Composition (wt% Ag) (Ag) Temperature ("C) Temperature ("F)
Design of a Melting Procedure for a Casting You need to produce a M=1000 kg Cu-Ni alloy having minimum yield strength of Sy = 20,000 psi, a minimum tensile strength of Sut = 60, 000 psi, and a minimum % elongation of 20%. %3D You have in your inventory a Cu-20% Ni alloy and pure 1500 1400 1300 1200 nickel. 1100 1000 Design a method for producing castings having the required properties. 80,000 80 Tensile strength Cu strengthens Ni 60,000 60 40,000 40 Ni strengthens Cu % Elongation 20.000 20 Yield strength 20 40 80 Weight percent nickel 60 Ni Strength (psi) Temperature ('C) &Elongation
Composition lat% N 40 60 100 1600 2800 1500 1453 C 2600 Liquid 1400 Solidus line Liquidua line 2400 1300 1200 2200 1100 1085 C 2000 1000 20 40 100 Composition (wt N (NO What is the amount for each phase in 1kg of a 50% Ni-50% Cu alloy at temperatures of 1400, 1300, or 1200 degrees C for point A and point B? Temperature ('C) Temperature ("F)
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Calculate the degrees of freedom at a composition of 71.9 wt% Ag and a temperature of 780 °C in the below silver-copper binary phase diagram. °C 1084.5 1000 961.93 900 a + L B+L 800 780 91.2 8.0 71.9 700 600 a+B 500 400 10 20 30 40 50 60 70 80 90 Ag Cu Weight Percent Silver
22. The below figure is a portion of the Fe-Fe;C phase diagram, fill the represent meaning of these numbers in the diagram and answer the below question. T( C) 1600 3 2 1400 4 1 1200- 1148° C 9. 7 1000 10 800 727° 600 11 4005 6.7 (Fe) C, wt% C (1) (2) (3). (4). (5) (6) (7) (8) (9) (10) (11)_ to
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2) There is an aluminum-copper alloy. The phase diagram is given below. What heat treatment do you apply? Using this graph, how is it possible to increase the strength and hardness of this alloy? Consider this question within the scope of heat treatments. Composition (at % Cu) 10 20 30 700 1200 600 L a+ L 0 +L 1000 a 500 (CuAl,) a + 0 800 400 600 300 10 20 30 40 50 (AI) Composition (wt% Cu) Temperature (°C) Temperature (°F)

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1000 37.5 32.500236.8 900 834 C 60.8 58.5 800 700°C 80.3 700 09.8 3.02 76.6 B8.2 600 (Cu) 70.6741 78.6 660°C 500 38.95 454G 46.5 468°C. . 57.7 48.9 425°C 88.3 419.58 C 400 (Zn)- 300 200 Temper IL