4a Describe the technique of creating an orientation map (OM) of a sample through EBSD system.Hint: the schematics presenting the EBSD technique is shown below:Electron beamEBSD patternDiffractionCCD Camera70SampleSEM image4b Schematic illustration of examples showing the structural modifications for strengthening of alloyshown in A and B.Just write the name of the strengthening mechanism shown in A and B.A Solute atomsPrecipitates &dispersed particles dislocationsInteractingB.Grain 2Grain 2Grain 1GBGrain 1

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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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Iron (Fe) is among the most abundant elements in the earth’s crust. It is aconstituent in structural materials where strength/weight is a design Figure ofMerit. Its grain orientation is highly influenced by the alloying elements thataffect the strength of iron and its alloys (steels). For example, steel (Fe-C) is oneof the strongest alloys due to the advantageous position of carbon as aninterstitial solid in the Fe atoms matrix. Carbon (C) slightly distorted andprovided tension to the Iron (Fe) matrices, which later increased its toughnessand strength.(i) Give two example of non-ferrous metals, which each have substitutionaland interstitial solid solutions, respectively. Explain the process of howthis metal is collected from the raw ores.(ii) Briefly describe the application of both metals alloys and why these alloysare suitable for that applications.
1- The density of the elemental magnesium crystal structure, which is in the face centered cubic structure, is 1,738 g / cm3. Specify the side lengths of the crystal lattice. 2-Polonium is an element with a simple cubic crystal arrangement. Find the radius of the polonium atoms in this structure with a density of 9.4 g / cm3 and a weight of 209 g / atom. 3- A wire with a diameter of 9.6 mm is pulled with a force of 18,000 N. With this loading, the initial length of the wire that grows 1.5 mm is 400 mm. Find the engineering voltage.
For the metals A and B, which are given below, create the hypothetical phase diagram between 500 ° C and 900 ° C temperatures.The melting temperature of metal A is 840 ° C.The solubility of B in A can be ignored at all temperatures.Metal B has a melting temperature of 730 ° C.The maximum resolution of A in B is 10 wt% A, which occurs at 600 ° C.At 500 ° C, the solubility of A in B is 6% A by weight.A eutectic 600 ° C and 74% B by weight - 26% by weight A are formed.The second eutectic occurs at 630 ° C and 59% B - 41% A by weight.A third eutectic occurs at 655 ° C and 39% B - 61% A by weight.A congress melting point is formed at 680 ° C and 52% B - 48% A by weight.A second congress melting point is formed at 655 ° C and 66% B - 34% A by weight.The intermetallic compound AB is present at 52 wt% B - 48 wt% A.The intermetallic compound AB2 is present at 66 wt% B to 34 wt% A.
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
GEOLOGY (Phase Diagram). Given a certain substance (in red dot), answer the following questions and show your solution by drawing the necessary lines in the graph. a. What is the composition of the melt at T=1650C? b. What is the composition of the melt at T=1300C (if the temperature is at 1300C)? c. What conditions are needed in order for Anorthite (An), Diopside (Di) and liquid to exist in the system?
Decarburization of a steel occurs when carbon diffuses from the steel to the surface and enters the atmosphere. How long will it take for a 0.6 % C steel surface to decarburize below 0.1 % C for a depth of 2 mm if the FCC steel is held at 1250 °C in an atmosphere containing zero carbon? I need this question's answer. It's important for me.
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In FCC iron-carbon atoms enter the lattice (a)/(b) sites to form austenite, and in BCC iron, carbon enters (c)/(d) sites to form ferrite. Choose from the options (a) or (b) and (c) or (d) to complete the sentence correctly. A. (a) octahedral and tetrahedral B. (c) tetrahedral C. (b) octahedral D. (d) octahedral and tetrahedral
Suppose that a particular crystal has a primitive unit cell that can be described by the following primitive lattice vectors: NOTE: i, j and k are unit vectors. a1 = √2ai + √2aja2 = (−3a/√2)i +( 3a/√2)ja3 = −√2ai − √2aj + 2√3ak (a) Determine the crystal system of the crystal. (b) Using the reciprocal lattice, determine an expression for the interplanar spacings of the crystal. (c) Suppose that the constant ? has a value of 0.546 nm and that the interplanar spacing for planes with certain unknown Miller indices was measured to be 0.539 nm. Determine an equation satisfied by the Miller indices of the planes and hence suggest which planes they are.
Iron (Fe) is among the most abundant elements in the earth’s crust. It is a constituent in structural materials where strength/weight is a design Figure of Merit. Its grain orientation is highly influenced by the alloying elements that affect the strength of iron and its alloys (steels). For example, steel (Fe-C) is one of the strongest alloys due to the advantageous position of carbon as an interstitial solid in the Fe atoms matrix. Carbon (C) slightly distorted and provided tension to the Iron (Fe) matrices, which later increased its toughness and strength. (i) Give two example of non-ferrous metals, which each have substitutional and interstitial solid solutions, respectively. Explain the process of how this metal is collected from the raw ores. (ii) Briefly describe the application of both metals alloys and why these alloys are suitable for that applications.(iii) With the information of the actual freezing point, explain the solidification process and cooling curve of the chosen…
Calculate the atomic mass of the silicon-30 nucleus in amu (to three decimal places) assuming that the mass of a nucleon is 1.008 amu and the binding energy per nucleon is 1.326×10⁻¹² J/nucleon. (1 kg = 6.022×10²⁶ amu) and What is the binding energy (in kJ/mol) for Ag-107? The mass of a hydrogen atom is 1.00783 amu, the mass of a neutron is 1.00867 amu, and the atomic mass of this isotope is 106.90509 amu.

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