EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 1, Problem 39QTP
Plot the data given in Table 1.1 in terms of grains/mm2 versus grains/mm3, and discuss your observations.
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Chapter 1 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 1 - What is the difference between an atom and a...Ch. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Define anisotropy. What is its significance?Ch. 1 - What effects does recrystallization have on the...Ch. 1 - What is strain hardening, and what effects does it...Ch. 1 - Explain what is meant by structure-sensitive and...Ch. 1 - Prob. 9RQCh. 1 - What influence does grain size have on the...
Ch. 1 - What is the relationship between the nucleation...Ch. 1 - What is a slip system, and what is its...Ch. 1 - Explain the difference between recovery and...Ch. 1 - What is hot shortness, and what is its...Ch. 1 - Explain the advantages and limitations of cold,...Ch. 1 - Describe what the orange peel effect is. Explain...Ch. 1 - Some metals, such as lead, do not become stronger...Ch. 1 - Describe the difference between preferred...Ch. 1 - Differentiate between stress relaxation and stress...Ch. 1 - What is twinning? How does it differ from slip?Ch. 1 - Prob. 21QLPCh. 1 - What is the significance of the fact that some...Ch. 1 - Is it possible for two pieces of the same metal to...Ch. 1 - Prob. 24QLPCh. 1 - A cold-worked piece of metal has been...Ch. 1 - What materials and structures can you think of...Ch. 1 - Two parts have been made of the same material, but...Ch. 1 - Do you think it might be important to know whether...Ch. 1 - Explain why the strength of a polycrystalline...Ch. 1 - Describe the technique you would use to reduce the...Ch. 1 - What is the significance of the fact that such...Ch. 1 - Prob. 32QLPCh. 1 - It has been noted that the more a metal has been...Ch. 1 - Is it possible to cold work a metal at...Ch. 1 - Comment on your observations regarding Fig. 1.14.Ch. 1 - Is it possible for a metal to be completely...Ch. 1 - Prob. 37QTPCh. 1 - Prob. 38QTPCh. 1 - Plot the data given in Table 1.1 in terms of...Ch. 1 - A strip of metal is reduced from 30 mm in...Ch. 1 - Prob. 41QTPCh. 1 - How many grains are there on the surface of the...Ch. 1 - Prob. 43QTPCh. 1 - Prob. 44QTPCh. 1 - Prob. 45QTPCh. 1 - A technician determines that the grain size of a...Ch. 1 - If the diameter of the aluminum atom is 0.28 nm,...Ch. 1 - The following data are obtained in tension tests...Ch. 1 - Prob. 50QTPCh. 1 - Prob. 51QTPCh. 1 - Prob. 52QTPCh. 1 - Same as Prob. 1.39, but ASTM no. versus...Ch. 1 - By stretching a thin strip of polished metal, as...Ch. 1 - Draw some analogies to mechanical fiberingfor...Ch. 1 - Draw some analogies to the phenomenon of hot...Ch. 1 - Take a deck of playing cards, place a rubber band...Ch. 1 - Give examples in which anisotropy is scale...Ch. 1 - The movement of an edge dislocation was described...
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- 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?arrow_forwardThe diagram below shows a microscopic metal rod with a single crystal structure whose orientation is indicated by the inset. A force of F = 15.7 N is applied to the rod. The cross-sectional area is 1.3 mm2. Calculate the shear stress along the close-packed direction.arrow_forwardDraw the corresponding Crystallographic Directions, and compute the resolved shear stress for both slip systems.arrow_forward
- Please provide a detailed solution. Explanation required for the formula used.arrow_forward9. Consider a metal rod, whose grain size can be adjusted by different processing techniques. The graph below shows how the yield stress changes with grain size d; the x-axis is logarithmic. The curve reaches a limiting value of 60 MPa as indicated by the horizontal dashed line on the y-axis, for very large grain sizes. Also, you are given the information that at d = 25 microns (vertical dashed line), the yield stress is 100 MPa. Using this information, what will be the yield stress at d = 5 microns? Select the closest numerical value. Use the Hall-Petch relation in working out your answer. Yield stress (MPa) ● ● 228882S 130 120 110 100 60 10⁰ 10¹ 10² Grain size d (microns) 132.4 MPa 149.4 MPa 165.2 MPa 156.3 MPa 10arrow_forward4. Calculate the theoretical yield strength of aluminum. The Young's modulus of aluminum is 70 GPa, and Poisson's ratio is 0.3. You may assume a simple cubic lattice for aluminum crystals. Compare your result with the measured yield strength of pure aluminum (~40 MPa), and explain the main cause of the difference.arrow_forward
- Which one statement is true. Explainarrow_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_forward1. In engineering, why is the density of a particular engineering substance so crucial? Clearly explain. 2. What do the terms "single crystal" and "polycrystalline substance" mean? Briefly compare and contrast them. 3. Describe how x-ray diffraction is used to quantify elastic strain. Please answer all with full detail, Thank youarrow_forward
- The yield point for a brass alloy that has an average grain diameter of 50 micrometers is 120 MPa.arrow_forwardAnswer part (c).arrow_forwardA single crystal of a BCC metal is oriented so that the [001] direction is parallel to the applied stress. If the critical resolved shear stress required for slip is 12,000 psi, calculate the magnitude of the applied stress required to cause slip to begin in the [111] direction on the (110), (011), and (101) slip planes.arrow_forward
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