Name of Chemical compositionalloyAlloy AEбy (MPa) | OUTS(МPа)410(GPa)0.23% C; 1.5% Mn; 0.05% S; | 2070.5% P; 97.72% Fe3.04% C; 2.58% Si; 0.42% Mn; | 20793.96% Fe250Alloy B30055019.07% Cr; 8.11% Ni; 1.34% 207Mn; 71.48% Fe12% Cr; 2% W; 1.8% Ni; 0.5% 207Mo; 0.3% V; 0.16% C; 83.24%FeAlloy C265628Alloy D8851080 2.2.Carbon is an interstitial atom in Alloy B, and may occupy any of the followingpositions in the iron lattice: (%,0,0); (0,½,0); (0,½,1) and (½,1,0).a) With the aid of a clearly labelled diagram, describe an interstitial atom.b) Explain how carbon increases the strength of iron.c) Draw a unit cell to show a carbon atom at position (0,½,1).

Interstitial atom : The are in which there are no atoms is called as an interstitial site and when…

Answered: Carbon is an interstitial atom in Alloy…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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What is the mass flow rate of zinc in the scrap brass stream (ṁZn,3) in kg/h to 0 decimal place? What is the mass fraction of copper in the mixed scrap stream (xCu,4) to 2 decimal places?
Using the following table, draw a melting point diagram and estimate the eutectic temperature and composition: Percent composition Melting point range (°C) 100% A 125-126 75% A-25% B 115-120 65% A- 35% B 128-131 50% A- 50% B 135-140 100% B 151-152 Can you suggest what additional points you need to give a more accurate measure of the eutectic point?
Determine the Miller- Bravais indices
5 During decommissioning work, in order to determine the number of radionuclides deposited in a section of iron pipe, you grind up a small section of the pipe into a fine powder to carry out a reaction at 400 0C. Preliminary analysis shows that the predominant iron species are FeO and Fe2O3 Is it safe to use an aluminum crucible for heating your sample? What about a graphite crucible? Provide a short but detailed explanation referencing Ellingham diagrams, calculating Gibbs Free Energy, as well as provide any relevant reactions.
In a binary Fe-Fe3C system, what is a transformation that occurs when cooling an austenistic mixture of 2% C by weight from 1100°C to below the eutectoid temperature? What is the microstructure, and how is it formed? What are the total and partial phases? Given:Eutectoid temperature=723°C; Eutectoid concentration=0.76% C; Limit concentration of ferrite=0.022%; Limiting concentration of cementite: 6.7%.
•You are case-hardening a tool made of BCC (α) iron in the presence of a carbonaceous material. A heat treatment at 600 oC for 100 minutes results in a carbon concentration of 0.75 wt% at a position 0.5mm below the surface. How long would it take to obtain the same concentration at the same position if the heat treatment were conducted at 900 oC? x12/D1t1= x22/D2t2 Arrhenius equation: D=D0e^(〖-Qd〗∕RT) Qd = Activation energy of diffusion D0 = Pre-exponential diffusion factor R = gas constant = 8.314 J/(mol*K) Use the Arrhenius equation to calculate D1 and D2. Calculate the time to satisfy the problem statement.
The sum of IE1 through IE4 for Group 4A(14) elements shows a decrease from C to Si, a slight increase from Si to Ge, a decrease from Ge to Sn, and an increase from Sn to Pb. (a) What is the expected trend for IEs down a group? (b) Suggest a reason for the deviations in Group 4A(14).(c) Which group might show even greater deviations?
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An alloy of 30 wt % Pb and 70 wt % Sn is slowly cooled from 250°C to 27°C: d) What is the amount and composition of each phase that is present at 183°C - ∆T ? e) What are the amounts of each phase present at room temperature? f) Draw the microstructure 183°C + ∆T and 183°C - ∆T in 2 cm diameter circle.
a) List any four experimental methods to find the stress concentration factor. b) Explain how stress concentration can be reduced when a notch is unavoidable in a mechanical component with neat sketches?
For two hypotetical materials which have limitless solubility for both in the “liquid” and “solid” states in each other, the following data are listed. Melting Temperatures of material A and B are Tm,A and Tm,B respectively, Liquidus and Solidus curves are circular arcs. a- Draw the related “Phase Diagram” of Material A and Material B showing the data given and calculated. b- Calculate/Determine the compositions of phases at T2 , explain the procedure. c- Calculate/Determine the “percentages” of “phases” of Alloy,2 at T2 , explain the procedure. Given: -Tm,A, Celcius =530 -Tm,B, Celcius =830 -T1, Celcius =630 -B percentage of Liquid phase at T1 =35 -B percentage of Solid phase at T1 =80 -B percentage of Alloy 2. =60 -T2, Celcius =680 -B percentage of Liquid phase of Alloy 2 at T2 = to be calculated -B percentage of Solid phase of Alloy 2 at T2 = to be calculated

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