1. What percentage of total Fe 3 C is present in a steel with 1.15 wt% C at 726.9 o C? 2. What percentage of eutectoid Fe3C is present in a steel with 1.15 wt% carbon at 726.9 o C?

Q: Consider 2.4 kg of a 99.7 wt% Fe-0.3 wt% C alloy that is cooled to a temperature just below the…

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Q: QUESTION 2 Which is the eutectic reaction? 100% A composition 100% B Liquid + alpha beta Alpha beta…

A: We are suppose to solve only one question. Please post other question as a separate question.

Q: 4. Give the temperature range over which it is possible to austenitize each of the following Fe-C…

A: Full annealing is a softening process in which the metals is heated above the re crystallation…

Q: Copper-Nickel alloy is widely applied in industry. (a) List at least three applications where Cu-Ni…

A: Given: The wt% of mixture = 40 Wt% CO and 60 Wt% Ni The temperature, T = 1320oC

Q: What kinds of dispersion hardened alloys can retain their strength up to 1000 ° C?

A: →Carbide Alloys →Niobium Alloys →Nitrides →Nickel based Super alloys these dispersion hardened…

Q: QUESTION 1 For a 1% steel, the carbon is completely soluble in iron at: 1600 Q 1400°C liquid 910°C…

A: For 1 % steel, single phase will not be possible.

Q: The microstructure of an iron-carbon alloy consists of proeutectoid ferrite and pearlite; the mass…

A: Write the formula for mass fraction of Pro-eutectoid ferrite. Wα'=UT+U

Q: 2: Consider a Cu-80wt% Ni-20% alloy, determine the following: (a) The liquidus and solidus…

A: (a) Liquidus temperature ar 'a' →Tl Tl = 1250 oC Solidus temperature at 'b' →Ts Ts = 1150 oC (b)…

Q: .For a steel alloy with .3% carbon, what would the percent of each phase be at 730°C and 725°C?

A: Let us consider a portion of Iron-Carbon diagram as shown below, For the 730 °C and 0.3% of carbon,…

Q: Carbon steel (0.45%C) is subjected to different heat treatment procedures. Which one gives the best…

A: Concept: 1) Austenization is a process of obtaining austenite phase in crystal structure of that…

Q: n a binary Fe-Fe3C system, what is a transformation that occurs when cooling an austenistic mixture…

A: Given: Ectetiod Temperature = 723 °CAusentic mixture = 2% C

Q: For the alloy Mg-45 wt % Pb alloy at 500°C, what is the weight percentage of Pb in Liquid? It does…

A: Given: The wt percentage of Pb, Co = 45 The temperature of alloy, T = 500 C

Q: b) When this furnace-cooled AISI 1040 steel reaches room temperature, identify 1) the phase(s)…

A: Solution: Given Data:

Q: a) 6 kilograms of iron-carbon steel structure that consists of 99.55wt.% Fe and 0.45wt. C is slowly…

A: Given: The mass of iron-carbon steel structure, m = 5 kg The composition of iron-carbon structure =…

Q: e answr this

A: a)From the given phase diagram the first liquid phase form at 183°C.

Q: For a 50-50 Mg-Pb alloy, what would the percent of each phase be at 500°C, 300°C and 100°C?

A: Consider the diagram as shown below   Given compositions by weight are as,

Q: Composition (at % Cu) 10 20 30 1200 600 a+ L Consiuer the given Al-Cu phase 1000 diagram. How much…

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Q: For alloy A-B of composition Co (C dot) is 33 at some temperature is found to consist of mass…

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Q: Draw the Fe-Fe3C equilibrium diagram, indicating the eutectic reaction, the eutectoid reaction, the…

A: Step 1: Step 2: Fe3C= cementite Step 3: alpha=ferrite Step 4:gamma=austenite

Q: 4. The figure below shows the phase diagram for a hypereutectoid plain carbon steel. Assume that…

A: To find:i. The structure at points a, b, c, and d on the diagram.ii. The of proeutectoid ferrite at…

Q: a) A 10g ball bearing sphere is made of a steel containing 2.0 wt% C. Suppose the ball is…

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Q: What are the compositions of the phases present in a Fe -0.40% C alloy at 726°C?

A: Given data:- Fe -0.40% C alloy at 726 °C To find:-the compositions of the phases present

Q: Compute (a) the mass fraction of proeutectoid ferrite and (b) the mass fraction of pearlite that…

A: It is required to determine the mass fraction of the (a) proeutectiod ferrite and (b) pearlite in…

Q: Description of phases you would expect at room temperature in a 20% Sn alloy, kindly explain

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Q: A carbon steel contains 87.3 % of ferrite room temperature. Calculate the carbon content of the…

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Q: Name the phases present and calculate the amounts of these phases just above the eutectoid…

A: Name the phases present

Q: 10 Cite the phases that are present and the phase- Ocompositions for the following alloy (g) 21.7…

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Q: a. Determine the composition of each phase in a Cu-40% Ni alloy at 1300°C, 1270°C, 1250°C, and…

A: a. Determine the composition of each phase in a Cu-40% Ni alloy at 1300°C, 1270°C, 1250°C, and…

Q: Refer to the Fe-C Diagram below to answer the following questions T( C) 1600 8. L 1400 (Fe-C y +L…

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Q: 3. For the regions and points on the Fe-C phase diagram given bellow, write the corresponding phases…

A: The reaction and corresponding composition phases are written from diagram as,

Q: BI (a) Figure BI below shows the equilibrium phase diagram of hypothetical A - B alloy system.…

A: (i) Draw the given equilibrium phase diagram.

Q: Consider the binary Magnesium-Lead phase diagram below. For the alloy Mg-45 wt % Pb alloy at 700 C,…

A: Given: The temperature of the alloy, T = 700 C The wt percentage of Pb, Co = 45%

Q: lowly cooled plain carbon steel has proeutectoid ferrite to be 10 wt% of its eutectoid ferrite. What…

A: given: Slowly cooled plain carbon steel has proeutectoid ferrite to be 10 wt% of its eutectoid…

Q: 7. Consider 1.5 kg of a 99.6 wt% Fe-0.4 wt% C steel that is cooled to a temperature just below the…

A: In this problem we are asked to consider 2.0 kg of a 99.6 wt% Fe-0.4 wt% C alloy that is cooled to a…

Q: The carbon content of eutectoid steel decreased with increasing of alloying content T F Red…

A: (A) It is true that the carbon content of eutectoid steel decreases with increasing of alloy…

Q: 60 tion (wt% Zn)

A: Part a) At Co= 30 wt%  Cu and temperature 300∘C Phases present = ( β  and  η phases) Composition of…

Q: 1) To obtain a ferritic-spherical carbide (cementite) internal structure in super-eutectoid steels…

A: Annealing is a heat treatment process in which metal or alloy is heated to a certain temperature and…

Q: Cite the phases that are present and the phase compositions for the following alloys: 15 wt% Sn–85…

A: The allot properties- 15 wt% Sn–85 wt% P The temperature,T =100°C   To find: The phases and the…