Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Textbook Question
Chapter 3, Problem 48RQ
How can deformation and recrystallization improve the grain structure of a metal?
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Why recovery, recrystallization and grain growth are required after plastic deformation of a metal. Explain these process.
1. In terms of their Burger's and sense vectors, slide, and slip (also known as glide), edge dislocations and screw dislocations should be compared and contrasted.
2. What makes twinning, a different plastic deformation process, undesirable in engineering metals and alloys? Briefly explain.
Please explain all in full detail
Explain the hot working of metals related to the grain structure diagrams.
Chapter 3 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 3 - What enables us to control the properties and...Ch. 3 - Â What are the next levels of structure that are...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - What are the three types of primary bonds, and...Ch. 3 - What are some general characteristics of...Ch. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - What are some unique property features of...Ch. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Prob. 17RQCh. 3 - What are some of the general characteristics of...Ch. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - Prob. 22RQCh. 3 - Prob. 23RQCh. 3 - Prob. 24RQCh. 3 - What is a grain? A grain boundary?Ch. 3 - Prob. 26RQCh. 3 - What is implied by a low ASTM grain�size number?...Ch. 3 - Prob. 28RQCh. 3 - What is Poissons ratio, and under what conditions...Ch. 3 - What is plastic deformation?Ch. 3 - Why do metals retain their strength during plastic...Ch. 3 - Prob. 32RQCh. 3 - Prob. 33RQCh. 3 - What is a dislocation? Using the carpet analogy,...Ch. 3 - What is the difference between an edge dislocation...Ch. 3 - What are some of the common barriers to...Ch. 3 - Prob. 37RQCh. 3 - What is the mechanism (or mechanisms) responsible...Ch. 3 - Why is a fine grain size often desired in an...Ch. 3 - What is an anisotropic property? Why might...Ch. 3 - What is the difference between brittle fracture...Ch. 3 - How does a metal increase its internal energy...Ch. 3 - What is required in order to drive the...Ch. 3 - How might the lowest recrystallization temperature...Ch. 3 - In what ways can recrystallization be used to...Ch. 3 - What is the major distinguishing feature between...Ch. 3 - What is warm working?Ch. 3 - How can deformation and recrystallization improve...Ch. 3 - Why is grain growth usually undesirable?Ch. 3 - Prob. 50RQCh. 3 - As a result of their ionic or covalent bonding,...Ch. 3 - Prob. 52RQCh. 3 - Prob. 53RQCh. 3 - What is the difference between an intrinsic...Ch. 3 - What is required for electrical conductivity in...Ch. 3 - What is required for electrical conductivity in...Ch. 3 - Brass is an alloy of copper with a certain amount...Ch. 3 - It is not uncommon for processing operations to...Ch. 3 - Polyethylene consists of fibrous molecules of...Ch. 3 - Prob. 5P
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- Figure shows a diagram from an impact strength test of metals that have three different crystal structures.a) What type of crystal structures do the curves (I), (II) and (III) represent? b) why won't the metals in curve (I) have a marked transition temperature?arrow_forwardWhich method do we use to monitor dislocation movements in tensile testing? How monitoring is done in this method, explain the working mechanism of the system in detail.arrow_forwardHow do dislocationjunctions contributeto strengthening?arrow_forward
- a.) In the recrystallization stage of the single-phase metals, the recrystallization temperature increases when the purity of the metal__________ b.)What happens to the material strength when the dislocation density increases?____________ c.)In single-phase metals, as the percent cold works (%CW) increases, the recrystallization temperature_________arrow_forwardDeformation of the metals occurred if the metal is subjected to tensile force. By describing elastic and plastic deformation, illustrate the plastic deformations at the atomic scale during unloading and loading cycles.arrow_forwardExperimental Techniques for Identification of Microstructure and Defects?arrow_forward
- summarize the way in which fine _grain microstructure behave with regard to low temperature and room temperature strength and toughness.why not make all metals as small_grained as possible?arrow_forwardExplain the differences in grain structure for a metal that has been cold worked and one that has been cold worked and then recrystallized.arrow_forwardWhy would metals behave as brittle materials without dislocations?arrow_forward
- What is the difference between the microstructure and the macrostructure of a material?arrow_forwardc) What mechanism of creep can be prevented using a single crystal part? Justify your answer using suitable examples or references.arrow_forwardSummarize the way in which fine-grain microstructures behave with regard to low temperature and room temperature strength and toughness. Why not make all metals as small-grained as possible?arrow_forward
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Explanation of Solidification of Metals & Alloys | Manufacturing Processes; Author: Magic Marks;https://www.youtube.com/watch?v=G5z9KknF_s8;License: Standard Youtube License