Suppose you wanted to have two samples of NiTi wire: one that is in the high-temperature austenite phase at 0°C, and one that is in the low-temperature martensite phase at 0°C. Which of the compositions of NiTi below would you choose for which sample? Composition A: 50% Ni, 50% Ti Composition B: 52% Ni, 48% Ti

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: What is its average carbon content in weight? What is the weight of total ferrite?

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Q: 700 L 600 500- (A1)+ (A1)+ O 400 (A1) emperature,

A: steps :- (1) solutioning (2) quenching (3) aging   Maximum hardness will be obtained at an optimum…

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: 1 Plastic Deformation Occurs Through Dislocation Motion... ...so in order to make a material…

A: Strengthening mechanisms in materials are designed to avoid dislocation motion, and also to enhance…

Q: A binary alloy having 28 wt% Cu and balance Ag solidifies at 779°C. The solid consists of two phases…

A: The Cu-Ag phase diagram is given below,

Q: What factors determine the Debye temperature of a particular element? Provide comments, with…

A: The debye temperature is the temperature above which quantum effects become less dominant and…

Q: In FCC iron-carbon atoms enter the lattice (a)/(b) sites to form austenite, and in BCC iron, carbon…

A: a) In FCC austenite phase of steel, interstitial carbon occupies tetrahedral sites due to its…

Q: (a) Calculate the change in molarentropy of adamantium that is heated from 700°Cto 800°C. (b) What…

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Q: 5. Given a Cu-Ag alloy with a bulk composition of 40wt% Ag, how much eutectic (the a+ß structure…

A: Given: The composition of the alloy, Co = 40wt% Ag or 60wt%Cu The temperature range of cooling =…

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

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Q: A 50 wt% Ni–50 wt% Cu alloy is heated to a temperature within the a  liquid-phase region. If the…

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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: 1. What temperature does a Fe-C metal with less than 4 weight percent C melt at? 2. What…

A: The Iron-Carbon diagram is a plot between the carbon weight percentage in Fe on X-axis and…

Q: Which of the following statements about recrystallisation of metals are true? Select one or more:…

A: Solution: Given Data: Which of the following statements about recrystallisation of metals are true?…

Q: Why does the tensile strength of steel, which contains only austenite at room temperature, differ…

A: Ans 1:-The final microstructural change in hot deforming process  of steel is the transformation…

Q: For a Fe-C alloy with a eutectoid composition, an austenite was rapidly cooled down to 450°C, held…

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Q: Using the following table, draw a melting point diagram and estimate the eutectic temperature and…

A: Given data To  Draw a melting point diagram Estimate the eutectic temperature and composition

Q: b) Estimate the yield stress of copper containing an array of equally spaced second phase…

A: Yield strength alludes to the pressure at which the event of a foreordained measure of super durable…

Q: Consider the 6 samples: Al alloys 5005, Al alloys 2024, O1 tool steel in the as-received (mill…

A: After the steel sample is tampered the residual stresses are relieved.

Q: b) Indicate corresponding cooling rates ( fast, mid-range, slow) and heat treatment c) Indicate a…

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Q: (0.4 + (10) × (-1)**) wt% C alloy at a temperature just below the eutectoid, 100. For a determine…

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Q: The melting points of copper (Cu) and aluminum (Al) are 10830C and 660 oC respectively. They form…

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Q: (2) Sketch the microstructure of Pb-Sn alloy at (A) and (B). (s Composition (at% Sn)

A: Microstructure in metallic materials consists of the distribution and topological arrangement of…

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: Draw thermal equilibrium diagram for the binary alloy system (Si-Au), from the following data:- a-…

A: To Draw :The Thermal equilibrium diagram for the binary alloy system (Given  : The silicon metal at…

Q: According to Reference [1], alloys of nickel (Ni) and tungsten (W) are can form substitutional solid…

A: To Find:the composition which is more ductile.The stronger composition.the yield strength.

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

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Q: You are an engineer for a steel plant. You are presented with a piece of steel from your rival…

A: The percentage of ferrite is 75%. The percentage of martensite is 25 %. The composition of ferrite…

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

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Q: Excellent combinations of hardness, strength, and toughness are obtained from bainite. One heat…

A: The eutectoid composition of austenite is approximately 0.8% carbon; steel with less carbon content…

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: Using the isothermal transformation diagram for an iron-carbon alloy of eutectoid composition,…

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Q: If the Fe-C alloy consists of 62.29 % pearlite and 37.71 % proeutectoid cementite phase, what is the…

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Q: Consider an AISI 1045 ferrite and pearlite microstructure. The sample is initially heated to 845 deg…

A: In the tempering of steels, the primary goal is to reduce the brittleness that is often associated…

Q: 3. The figure below shows the phase diagram for a hypoeutectoid 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: Question 7: The illustration shows the iron-carbon phase diagram. 1600 1400 1200 1000 800 600 1538C…

A: There is given a iron-carbon phase diagram in which we have to analyse the phase changes from 1500…

Q: he Iron-Carbon system: Phase Diagram 1. You heat treated a 1045 steel plate by heating it to 900°C…

A: The phase diagram is used to predict the microstructure behavior and composition of the…

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: a.) What type of binary phase diagram is Pb-Sn an example of?

A: Pb-Sn binary phase diagram is an example of "Eutectic system". A eutectic system has two components,…

Q: 2) Referring to the aluminum-silicon phase diagrams as shown below, Answer the questions. What is…

A: Given:To find:(a) Maximum amount of primary  phase in an Al-Si alloy containing 85 wt% aluminium.(b)…

Q: 1 Al-Li Aerospace Alloys When a small amount of Li is added into Al to create an Al-Li alloy, the…

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Q: List the phase(s) that are present, the phase composition(s) and the weight fractions of the…

A: The phase composition(s) and the weight fractions of the phase(s) for each of the following…

Q: Consider 2 kg of a (30 wt % Sn – 70 wt % Pb) solder alloy. The phase diagram of the lead-tin alloy…

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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…