At what temperature does the first solid phase form and what is the solid’s composition? (2) At what temperature does all liquid solidify and what is the last remaining liquid’s composition? (3) At 1300°C, estimate the compositions of the solid and liquid.

Q: For a 76 wt% Pb-24 wt% Mg alloy, make sche- matic sketches of the microstructure that would pe…

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Q: Metal A (Tm=860 oC) and metal B (Tm=620 oC) were fully dissolved in each other in the liquid state.…

A: Draw the phase diagram of the system.

Q: Describe the phases present at the eutectic temperature when the overall composition is x(Cu)= 0.5

A: The detailed phase diagram of Ag-Cu is:

Q: For a 64 wt% Zn-36 wt% Cu alloy, make schematic sketches of the microstructure that would be…

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Q: Copper-rich copper-beryllium alloys are precipitation hardenable. After con the portion of the phase…

A: The phase diagram for compositions VS temperature is given as follows.

Q: For a lead-tin alloy of composition 80 wt% Sn-20 wt% Pb and at 180 °C, do the following: (a)…

A: Data given-  Lead tin alloy composition 80 wt% Sn-20 wt% Pb T = 180 °

Q: Phase Diagrams: You are given the lead tin (Pb-Sn) phase diagram. Below the eutectic isotherm is…

A: A phase diagram is defined as a graphical representation of an alloy which undergoes phase changes…

Q: During slow cooling, the resulting microstructure for hypo-eutectoid steel is . .Wwhile for…

A: While quenching the austenite which does not transform in to martensite is called as retained…

Q: oy is observed to be at 580°C at which the mass fraction of silicon is 0.125. Represent the…

A: solution of above problem is below:

Q: Assume you have 1kg of an alloy consisting of 85 wt% Sn and 15 wt% Pb at a temperature of 184 °C.…

A: Draw the above given phase diagram.

Q: Based on the phase diagrams, estimate the solubilities of Ni, Zn, Al, Sn, andBe in copper at room…

A: To estimate the solubility, the use of the atom size difference approach, we will determine the…

Q: The magnesium-lead alloy was cooled from 600°C to 450°C. Microstructures are composed of initial…

A: Given:- Alloy cooled 600°C to 450°C Factor=0.28 To find:- Composition of alloy

Q: Refer to the composition-temperature phase diagram of solder, that is composed of lead (Pb) a tin…

A: For solution refer below images.

Q: A molten Ag-Cu (20%) alloy is allowed to cool slowly from liquid phase till room temperature. Refer…

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Q: To increase hardness of steel gear, it was carburized at 1040°C by introducing 1.5%C at its steel…

A: According to Fick's law, the concentration gradient of a composition is equal to the molar flux…

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

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Q: what are the stages of solidifaction in a casting process? when do those happen?what is under…

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Q: For a 76 wt% Pb–24 wt% Mg alloy, make schematic sketches of the microstructure that would be…

A: According to the given information, we have the phase composition at 575 C is solid and it is 100%…

Q: B/ Aluminum (Tm=660 OC) and Silicon (Tm=1410 OC) were fully dissolved in each other in the liquid…

A: Given: The melting point of pure Al with 0% Si, Tal = 660°C The melting point of pure with 0% Al,…

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

A: (a) When it is rapidly cools to 350°C and held for 10000 s then the ausentite convert into the…

Q: phase diagram (a) below, briefly des the mechanisms of precipitation hardening/strengthening o…

A: Precipitation hardening is a heat treatment procedure that may be used to strengthen aluminium…

Q: Q.1. For hypoeutoctoid plain carbon steel (select %C content yourself), determine the phases that…

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

A: Given: The alloy composition = 28%Ag

Q: For an alloy containing 20% Al- 80% Si (see figure 1 ), do the following: a) Determine the freezing…

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Q: Nickel is extensively used in alloy steels for engineering purposes, generally in quantities up to…

A: Given: To find the most appropriate option.

Q: A Cu-Ni alloy of composition 80 wt6 Ni-20 weš6 Cu is slowly cooled from a temperature of 1450°C. A.…

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Q: a) Calculate the mass fractions of ferrite α and cementite in pearlite. (b) What is the carbon…

A: The lever rule expressions for ferrite and cementite are as follows,

Q: Temperature C For the phase diagram shown calculate the amount of austenite present at the point P…

A: For solution refer below images.

Q: Phase diagram of lead-tin system is given in the figure below. For the of composition for 80 wt.%…

A: Given data Phase diagram of lead-tin system is given in the figure below. For the of composition…

Q: RD Which line on the above phase diagram corresponds to the Solid-Liquid transition? Answer P.

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Q: For two hypotetical materials which have limitless solubility for both in the “liquid” and “solid”…

A: Given: Tm of A=530 Tm of B=830 Mass % B at intersection of liquidus and T1=630 Isotherm=35%=X1 Mass…

Q: Use the phase diagrams for Cu-Ni and Cu-Ag systems below to answer the question: Based on the…

A: The strength of copper, nickel, and silver is 20 ksi, 8.56 ksi, and 6.52 ksi respectively.  The…

Q: For hypoeutoctoid plain carbon steel(select %C content yourself), determine the phasesthat are…

A: Steels with a carbon weight percentage of 0.8 are called eutectoids. Steels with a carbon weight…

Q: For a 60-40 Pb-Sn alloy, what would the percent of each phase be at 185°C and 180°C?

A: Drawing the phase diagram of Pb-Sn alloy as shown below –

Q: Normalizing: This treatment will not cause any phase changes, but recovery & recrystallization may…

A: Normalization is the heat treatment process in order to increase the ductility of the material.

Q: For two hypotetical materials which have limitless solubility for both in the “liquid” and “solid”…

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Q: n annealing process?

A: Annealing serves the following purpose alteration of ductility and toughness introduction of…

Q: 100 (iv) Given that the average density of a phase is determined as Pa = calculate the PA PB volume…

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Q: Using the isothermal transformation curve for a Eutectoid steel, determine the final structure of…

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Q: i) For a 68 wt% Zn-32 wt% Cu alloy, make schematic sketches of the microstructure that would be…

A: given Diagram consists of 4-temperature composition

Q: 4.a) For the solidification of iron, calculate the critical radius r* and the activation free energy…

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Q: For an alloy containing 20 wt % Ag, refer to the Cu-Ag phase diagram given in the Figure: What is…

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Q: What is meant by a phase? Describe an example. And what is the equilibrium phase diagram?

A: The phase of a substance is the region where the property of substance like density, index of…

Q: Given the equilibrium phase diagram (a) below, briefly describe the mechanisms of precipitation…

A: Aluminium alloys have the main alloying elements such as iron, copper, magnesium, silicon &…

Q: A 45 wt% Pb-55 wt% Mg alloy is rapidly quenched to room temperature from an elevated temperature in…

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Q: B/ Aluminum (TM3D660 OC) and Silicon (Tm-1410 OC) were fully dissolved in each other in the liquid…

A: Given data:

Q: Calculate the solidification time (in minutes) of an alloy (AL-Si) with the following material data:…

A: According to the information for the solidification time, we have…

Q: Q.1. For hypoeutoctoid plain carbon steel (select %C content yourself), determine the phases that…

A: Please find my answer attached below.Please understand that according to honor code, I could answer…

Q: 1) The correct plot between temperature and distance in the solid-liquid interface (solidification…

A: Answer: II graph second will up to the mark