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 43RQ
What is required in order to drive the recrystallization of a cold worked or deformed material?
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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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- What is a consequence of strain hardening?arrow_forwardThe critical resolved shear stress for copper is 0.48 MPa. Determine the maximum possible yield strength for a single crystal of Cu pulled in tension.arrow_forwardPlease explain the differences between recovery and recrystallization processesarrow_forward
- What is the effect of strain hardening on the material?arrow_forwardThe lower yield point for a certain plain carbon steel bar is found to be 135 MPa, while a second bar of the same composition yields at 260 MPa. Metallographic analysis shows that the average grain diameter is 50 µm in the first bar and 8 µm in the second bar. Predict the grain diameter needed to cause a lower yield point of 205 MPa.arrow_forwardsummarize 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_forward
- summarize the way in which fine_grain microstructures behave with regard to low temperature and room temperature strength and toughnesd.why not make all metals as small_grained as possible?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_forwardTwo bars in the form of a single crystal of pure tin present elastic limits significantly different at 0.2% of compensated strain value. What could be the cause of this phenomenon?arrow_forward
- Summarize 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_forwardDetermine the critical resolved shear stress on a BCC single crystal if a normal stress of 10 MPa along [100] direction causes slip system on (110) plan along [1-11], one-bar one-one, direction.arrow_forwardeffect of the cooling rate on the microstructure and hardness of a materialarrow_forward
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