Q.4. Determine the ASTM grain size number if 35 grains per square inch are measured at a magnification of 75X.
Q: the plane in the [011] direction.
A: Solution :- Given data :- Tensile stress σ = 5kpa Angle between 4 3 2 and 1 1 -1 iscosϕ = 4 3 2×1 1…
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Q: Find the average grain size for the microstructure. Assuming that the length of each line is equal…
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Q: Calculate resolved shear stress on the (111) [01̅1] slip system of a unit cell in an FCC nickel…
A: The resolved shear stress is calculated from the following relation : τRSS=σapp(cosφcosλ)…
Q: 1. Consider a single crystal of BCC iron oriented such that a tensile stress is applied along a…
A: Angle between 0 1 0 and 1 1 1 direction isλ=cos-1u1u2+v1v2+w1w2u12+v12+w12u22+v2+w22here for 0 1…
Q: 10Which of the following represent mechanism for the nucleation of new grains? I. Dendrite…
A: Grain nucleation and grain growth are the phenomenon that occurs in the polycrystalline materials…
Q: In the single crystal shown in the image, the area of the slip plane (blue plane) is: Normalte Slip…
A: Solution:
Q: Explain how does the reduction of the grain size increase the strength of the single-phase metals?
A: Single phase metals are plastically deformed due to motion of dislocations in the grains. This…
Q: Determine the ASTM grain-size number if 30 grains per square inch are measured at a mag- nification…
A: Given dataGrain size number per square inch (N) =30Magnification (M) =250×
Q: Determine the following: (a) Mean intercept length (b) ASTM grain size number, G
A: The figure in which the seven straight lines are drawn on the grain boundaries is shown below , the…
Q: A single crystal of an FCC metal is oriented so that the [001] direction is parallel to an applied…
A: Data given- Single crystal of an FCC Metal applied stress=5000 psi a…
Q: (a) Define a slip system. (b) Do all metals have the same slip system? Why or why not?
A: A) Slip system: A slip system is a crystallographic plane, and, within that plane, a direction…
Q: In an Al casting ingot containing 2wt.% Cu, the content of Cu at grain boundaries has reached…
A: Diffusion in alloy is the process of atoms from various alloy components transferring between each…
Q: Determine the ASTM grain size number if 25 grains square inch are observed at a magnification of 50.
A:
Q: Solve the linear densities of the direction [100] and [110] on aluminium which has a face centered…
A: Answer: (a) The linear density in the direction of [1 0 0] is 2.4724 nm-1. (b) The linear density in…
Q: Q7: Calculate the radius of a palladium atom, given that Pd has an FCC crystal structure, a density…
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Q: Under what high temperature circumstances is a very small grain size detrimental, and under what…
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Q: A sold-worked brass specimen of ayerage grain size 0.02 mm has a xield strength of 160 MPa. Estimate…
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Q: A copper-zine alloy has the properties shown in the table below. Grain Diameter (mm) Strength (MPa)…
A: (a).Hall-Petch equation-σy=σo+kd158=σo+k0.025158=σo+6.324k ........(1)145=σo+k0.050145=σo+4.47k…
Q: What is the change in the free energy of a pure metal atom moving from one grain to another? Please…
A: When a system transitions from initial to the final state, the Gibbs free energy (AG) splits even…
Q: The influence of grain size on the yield strength of metallic material is shown in the figure, what…
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Q: A single crystal of an FCC metal is oriented so that the [001] direction is parallel to an applied…
A:
Q: According to Hall-Petch equation, the 1 point decreasing in grain size causes strengthening of…
A: Hall-Petch equation or Grain-boundary Strengthening predicts that when the grain size decreases…
Q: Explain the hot working of metals related to the grain structure diagrams
A: The hot working is a metal forming process.
Q: In an measurement with 100× magnification factor on metal specimen, 65 grains per square inch are…
A: Given, Magnification factor = 100 Number of grains per square inch = N = 65 For 100x…
Q: Q2) A company wants to produce a ductile material with improved properties. Would impurity atoms of…
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Q: 1. What is the size of the grain for ruthenium metal . explain 2. what is the grain structure for…
A: As per our guidelines we are supposed to answer only one question.
Q: 4.50 Following is a schematic micrograph that rep- resents the microstructure of some hypothetical…
A: Step:I Given data:- scole bar no in figure=200μmTo find:-1.Mean intercept length2. ASTM…
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A: The creep can be prevented or the creep resistance can be improved by using a single crystal part.…
Q: Calculate resolved shear stress on the (111) [011] slip system of a unit cell in an FCC nickel…
A: given; ⇒slip (111) ,011 and 001⇒diagram for mentioned slip
Q: Problem2: Figure 10 is a micrograph of an alloy at a magnification of 200x. Find the ASTM grain…
A: Given-Data:- Magnification =200x To-Find:- ASTM Grain size
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Q: A tensile stress of 25.0 MPa is applied on a single crystal of nickel oriented such that the tensile…
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Q: DeterminetheMiller_lndex_0f the given direction in an HCP crystal? Write the negative sign if the…
A: CLOSED PACKED STRUCTURE Closed packed structure is defined as the structure having highest value…
Q: 11 Sometimes coso cos A in Equation 7.2 is termed the Schmid factor. Determine the magnitude of the…
A:
Q: (a) What is the driving force for recrystallization? And (b) What is the driving force for grain…
A: (a). What is the driving force for recrystallization? (b). What is the driving force for grain…
Q: a) Briefly explain the solidification process of molten materials with the aid of Figure Q5 (a).…
A:
Q: Dislocation density has a favorable influence to ease slip and to make slip difficult to happen.…
A: Dislocation density The density of the dislocation measures the number of dislocations in a…
Q: Using the values found in the previous two questions, use the Hall-Petch equation and the graph…
A:
Q: Exercises 1. With the bulk, pore and grain compressibilities defined as 1 1 (ôV, 1 Ch = Cp %3D OP V…
A: The definition of compressibility factor Z , in more inyuitive form is ZVV(ideal gas)Here Both the…
Q: Discuss the difference between defect due Vacancies and defect due to Self-interstitials. In brief,…
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Q: Explain casting grain structure for following cases a) pure metal b) alloy c) casting with adding of…
A: Grain structure of pure metal:
Q: The yield strength for an alloy that has an average grain diameter of 4.6 x 102 mm is 105 MPa. At a…
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Q: Microstructure plays a significant role in YS, TS, ductility, thermal conductivity and electrical…
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Q: Determine the ASTM grain size num- ber for the materials in Figure 4-14 and Figure 4-20.
A: (a) From figure 4-14, The relation between the size of grain and the number of grains (grains/in2)…
Q: The following are methods used for grain size determination (Choose all that apply) Linear analysis…
A: Intercept Method Average grain size=line lengthnumber of grains Steps of intercept method -Draw…
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- Determine the ASTM grain size number if 32 grains per square inch are measured at a magnification of 260×Briefly explain the ASTM grain-size standardDetermine the ASTM grain size number if 90 grains per square inch are measured at a magnification of 55×. In this problem, you are asked to find the ASTM grain size number given the number of grains per square inch and the magnification. Solve Equation 4.18 (below) for G.
- Assume that 16 grains per square inch are counted in a micrograph taken at 250X.What is the ASTM number for grain size?Determine the ASTM grain size number if 25 grains square inch are observed at a magnification of 50.Interpret comparison method to plainmetric method for determining the grain size.
- The ball of a ballpoint pen is 1 mm in diameter and has an ASTM grain size of 10. How many grains are there in the ball?Under what high temperature circumstances is a very small grain size detrimental, and under what circumstances is it advantageous?1. What is the size of the grain for ruthenium metal . explain 2. what is the grain structure for ruthenium metal . explain 3. what is the grain boundry for ruthenium . explain Explain Completed answer i well give thumb up
- Is there any relationship between a crystal and a grain? justify your answer.Samples 1 and 2 are identical except for the grain size. Which sample has the smaller grains (clearly mention 1 or 2)?What is the change in the free energy of a pure metal atom moving from one grain to another? Please draw the schematical illustration of the free energy and elaborate your answer