What is cold working process for metals? Why cold working can help improve strength of the metal? Use dislocation theory to explain

Q: what microstructure is this ASTM A128 material

A: ASTM A128 is a standard specification for high manganese steel casting. High manganese steel is a…

Q: 6. Sketch how two edge dislocations of opposite sign on the same slip plane can anihilate each othe…

A: Given Edge dislocation To find Figure to explain the phenomenon Two edge dislocation of opposite…

Q: Find the average grain size for the microstructure. Assuming that the length of each line is equal…

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Q: Briefly describe are dislocations are necessary or bad for us? Additionally, define of defects in…

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Q: When the metal is cooled in a molten state, a grain boundary is generated. Figure out the process of…

A: Grain boundaries: These are the area or surface defects which creates the interface between two…

Q: a. b. Figure 2 shows another ball-and-stick model of a very small crystal of a- Polonium, but this…

A: Given: To find: Number of bonds broken to move by slip by one unit of b from left to right

Q: aterials that block the movement of dislocations are:

A: The materials that block the movement of dislocations are known as Grain boundary dislocation.

Q: A cold worked brass specimen of average grain size 0.02 mm has a yield strengh of 160 MPa. Estimate…

A: From Hall-Petch equation - σy =σi + kyd-12Let us calculate the value of constant σi (Putting the…

Q: using the potential well diagram discuss thermal expansion coefficient behavior of metals and…

A: Potential energy curves govern the characteristics of materials. The composition, bonding, crystal…

Q: how does the following recrystallization percentage of metallic alloys after annealing is…

A: Introduction When cold-worked metal is subjected to recrystallization annealing, new grains can form…

Q: Does the strength of a metal always increase as dislocation density increases? Explain.

A: The strength of metal can be increased by increasing the yield strength. To increase yield strength…

Q: A. Clarify the dislocation phenomenon

A: materials science, a dislocation could be a crystallographic defect or irregularity, at intervals a…

Q: Why is the grain boundaries oxidization more sever and are the 1st to be oxidized than the grain…

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Q: 1. In terms of their Burger's and sense vectors, slide, and slip (also known as glide), edge…

A: Introduction In materials science and solid-state physics, dislocations are defects or…

Q: The crystal structure of austenite is?

A: It is required to state the crystal structure of austenite phase.

Q: Do noncrystalline or amorphous materials have grain boundaries? Why or why not?

A: To be explained :- grain boundaries

Q: With the aid of high resolution electron microscope, image of edge dislocation was observed in…

A: Dislocations are caused by the deformation of crystalline materials, such as metals, which can cause…

Q: Why impurities can help improve the strength of metal (e.g. carbon in iron)? Also use dislocation…

A: Given Impurities To find Advantage of impurities

Q: echanism heat r

A: given: Explain strain hardening. Is this mechanism heat resistant? explain

Q: Explain the hot working of metals related to the grain structure diagrams

A: The hot working is a metal forming process.

Q: Describe a-dislocations, c-dislocations and c+a dislocations, which may be possible in HCP crystals.…

A: "Since you have asked multiple questions, we will solve the second question (since first question is…

Q: Part A Determine the horizontal component of reaction at the pin A. Neglect the thickness of the…

A: For the given system  To determine  (a) the horizontal component of the reaction at pin A  (b) the…

Q: Deformation of the metals occurred if the metal is subjected to tensile force. By describing elastic…

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Q: During a heat treatment, is the formation of a brand-new set of grains that are strain-free and…

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Q: WHAT is meant by dislocation? State different types of dislocation with neat sketches

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Q: 0-10) Compare the equilibrium spacing of two partial disiocations between an Al alloy (G=28GP2 bn…

A: Given Data:  The modulus of rigidity for aluminum allow is G=28 GPa=28×109 Pa.  The breadth for…

Q: Question 4 942 Which statement is correct? O Annealing destroy the gra Annealing can idecrease

A: Annealing is a heat treatment process in which  the metal is heated to a specific temperature where…

Q: What is slip deformation? Why does it only occur in metal and not in ionic solids?

A: Slip deformation: The mechanism of deformation in which one part of a specific crystal slips over…

Q: Which can cross-slip––an edge dislocation, a screw dislocation, or a mixed dislocation? Why?

A: Cross-slip is the movement of a screw dislocation from one allowable slip plane to another

Q: With a suitable graphical aid explain the significance of dislocations in altering the yield stress…

A: Dislocations: Dislocations are the sudden change in the atomic arrangement where A prefixed pattern…

Q: Does strain hardening aluminium increases the strength by reducing the number of dislocations?

A: Strain Hardening is also know as work hardening. When metal is strained beyond the yield point,…

Q: Suppose you would like to introduce an interstitial or large substitutional atom   into the crystal…

A: The illustration demonstrates that the dislocation is an edge dislocation. An edge dislocation is a…

Q: Aim and Objectives for grain size structure and macro structure

A: Grain size structure and macro structure are two important aspects of material science that provide…

Q: 1. Factors determining the formation of substitutional solid solution 2 What main by Diclogaris

A: Disclaimer: “Since you have asked multiple questions, we will solve the first question for you which…

Q: Given that the expression for the equilibrium concentration of point defects are similar for pure…

A: Given ; that the expression for the equilibrium concentration of point defects are similar for pure…

Q: When the lattice is statically determinated? Draw an example and explain

A: a statically determinate system can be defined as a system where, if it is possible to find internal…

Q: The diagram is a schematic illustration of what kind of defect?

A: This is Substitutional defect.  substitutional defect: This type of defects occurs when the original…

Q: Calculate the percentage change in volume when f.c.c. iron change to b.c.c iron by diffusive…

A: Given:Lattice parameter for fcc structure is a = 0.356 nmLattice parameter for bcc structure is a =…

Q: cking fault energy of feri than that of austenetic stai Cross slip of edge disloca

A: GIVEN: