Briefly explain the terms proeutectic, proeutectoid, and hypoeutectoid for the iron-iron carbide phase diagram. Name and define the four solid phases that exist in the Fe-Fe3C phase diagram.

Q: In white cast iron, the carbon is in combined form as .. O cementit O iron O silicon O cementite

A: White cast iron displays white fractured surfaces due to the presence of an iron carbide…

Q: omenclature 2 composition, 3 crystal structure 4 Phase Diagrams,

A: Spheroidal graphite iron, also referred to as ductile cast iron, nodular cast iron, SG iron, and…

Q: 2) Classify the cast irons and write what you know about the gray (lamellar graphite) cast irons.

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Q: 9. Typical microscopic images of spheroidite, lower bainite and tempered martensite of an…

A: (a) Spheroidite:  It is a micro structure of steel composed of spherical shaped cementite particles…

Q: B) What is the difference between the Eutectic alloy and other alloy in the phase diagrams ? explain…

A: Eutectic alloy example: 4.3 % carbon cast iron 60% Sn- Pb-Sn alloy : solder

Q: 1084.5 1000 961.93 43 900 n 800 780 91.2 80 71.9 700 93 5 m 600 500 400 Cu 10 20 30 40 50 60 70 80…

A: given; at 9000coverall composition for  n (Co1)=71.9composition at n (C1)=30composition at 7800c…

Q: Draw an iron iron-carbide diagram. Show the percentage of carbon in each phase.

A: Given: Iron iron-carbide diagram

Q: (b) Explain with the aid of neatly drawn binary phase diagrams the following terms? i. Isormophous…

A: i) In isormophous system of alloys the two elements added will exhibit complete solubility in both…

Q: A 95cu-5AG copper-silver alloy is cooled slowly from 1100°C to 20°C. What phases at what…

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Q: Explain why a 92% copper – 8% nickel can or cannot be age hardened.

A: Age hardening: Age hardening is a heat treatment process that is used to increase the yield strength…

Q: 5 wt% Fe-5.5 wt% C at a and types of The Phases t Of Phases Present in Gr Microstructure Of Phases

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Q: Is it true that Martensite is tempered because it is too strong? Why or Why not

A: Initially, martensite is harder and brittle phase when  steel is sudden cool down. When the hardness…

Q: 1)  Give a brief explanation why the solubility of C is higher in y-iron than in alpha-iron

A: Gamma iron is a type of iron that has a Face-centered-cubic structure and is stable between the…

Q: which one harder pearlite producing by normalizing or by and annealing and why?

A: To change the mechanical property of the material, the heat treatment processes are employed. There…

Q: The hypoeutectoid steel contains less than 0.83%C and the hypereutectoid steel contains more than…

A: In iron carbon diagram, when the carbon percentage is less than 0.83 % then hypoeutectoid steel is…

Q: The copper-nickel system is a simple alloy system, as indicated by its phase diagram. Why is it so…

A: In materials with more than one component, a phase diagram depicts the spectrum of possible phases.…

Q: in a tabular format compare composition and heat treatment for different cast irons and steels

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Q: Suppose you wanted to have two samples of NiTi wire: one that is in the high-temperature austenite…

A: The high-temperature phase at 0 °C of the NiTi alloy is termed as Austenite. It tends to transform…

Q: Estimate the quench rate (in °C/s) needed to avoid pearlite formation in 1.13 wt % C steel. Note…

A: Question is based on material science and can be solved as

Q: What are the effects of alloving elements on Fe-C binary phase diagram

A: The alloying element has strong effect on iron carbon phase diagram. for example when nickel and…

Q: Write down what you know about curd (lamellar graphite) cast irons by classifying

A:

Q: Plot the Iron-Iron Carbide phase diagram and answer the following: a) Show the heating ranges for…

A: Phase Diagram- It  provides the information concerning the phase changes in many alloys system…

Q: The pearlite microstructure is formed a) in hypereutectoid steels c) in eutectoid steels d) all of…

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Q: Compare the Cu-Ni binary phase diagram with the Al2O3-Cr2O3 binary phase diagram. Why are they so…

A: Binary diagrams are the diagram which consists of two components. In which both can be metals (Cu…

Q: Briefly explain the terms proeutectic, proeutectoid, and hypoeutectoid for the iron-iron carbide…

A: Proeutectic phase – The proeutectic phase on a phase diagram is often found at the temperature where…

Q: earlite made of layers of carbide and iron or is this not pre

A: Explanation   This is not precise enough because precisely pearlite made of cementiteFe3C and α-…

Q: -What is the reason for the name white cast iron?

A: How cast iron is produced.  The pig iron that is raw form of iron is obtained from blast furnace…

Q: Discuss the following transformation in TTT diagram at eutectoid composition with their…

A: TTT diagrams are the short form of time-temperature-transformation diagrams which are the plot of…

Q: Describe the process conditions necessary to create a)a cored microstructure

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Q: Explain and/or describe the following microstructures of iron/steel , how they affect the iron/steel…

A: Ferrite: The microstructure of steel is called ferrite when a very less number of interstitial voids…

Q: Describe experimental procedure to obtain a binary isomorphic phase diagram for metals A and B by…

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Q: The lead-tin (Pb-Sn) is an eutectic type of phase diagram. At 183 °C, liquid (61.9 wt.% Sn), solid…

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Q: A hypo-eutectoid steel with composition of 0.5% carbon is heated to 1000°. Using the a iron-carbon…

A: The percentage of carbon in alloy = 0.5% The temperature of heating of alloy, T = 1000 C

Q: Make use of drawings of segments of the Fe-Cr phase diagram to illustrate the reason for the…

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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: 1.9 kg of austenite containing 1.50 Wt% C is cooled from 1200 degrees C to a temperature just below…

A: Given: The mass of the austenite, m = 1.9 kg The wt% of C in austenite = 1.5% The temperature of…

Q: Increasing the degree of graphite nodularity produces an improvement in .cast iron elongation, due…

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Q: Draw the iron-Fe3C phase diagram. Consider 0.4 and 1.1 wt% C steel alloy. It is cooled slowly from a…

A: Carbon in iron is an interstitial impurity and forms alloys with iron, Steel is an alloy of iron and…

Q: Irite the general equations of eutectic,eutectoid, peritectic, and peritectoid reactions and draw…

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Q: Question 1. (a) Why is the Fe-Fe,C phase diagram a metastable phase diagram instead of a true…

A: (a) In the Iron-Iron Carbide diagram, the Iron Carbide (Fe3C) is a unstable compound. It decomposes…

Q: Cu-Ni phase diagram is given below. 1500 1400 a + L -1270 1300 40 37

A: Phase diagram is an important tool to understand the compositional concentration of two or more…

Q: describe the extration of elemental composition; s from solid sample. Explain what major concern of…

A: given; describe the extraction of elemental composition; s from solid sample. Explain what major…

Q: 30. Select the letter of each image (A, B, C, etc.) that best reflects the microstructure at 700°C…

A: here, as instructed that as copper constitutes increases the dark part ( dark region or dark lines)…

Q: In terms of heat treatment and the development of microstructure; What are the two major…

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Q: Question-4 (a) Briefly explain the terms proeutectic, proeutectoid, and hypoeutectoid for the…

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