Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 1, Problem 34QLP
Is it possible to cold work a metal at temperatures above the boiling point of water? Explain.
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Chapter 1 Solutions
Manufacturing Engineering & Technology
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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- Discuss the advantages and disadvantages of hot and cold working of metals.arrow_forwardAfter a machinist quickly slips a hot, snugly fitting iron ring over a very cold brass cylinder, the two cannot be separated intact. Can you explain why this is so?arrow_forwardNote: Answer Should be not so long. Need straight forward Answer. By considering a circular hole in a thin elastic sheet, explain (with the aid of any diagrams as appropriate) how a stress concentration can magnify stress. Also Explain the principles of designing alloys for oxidation resistance.arrow_forward
- Which property, brittleness or ductility, will let a metal deform without breaking? Why?arrow_forwardExplain how do the cold work processes, such as extrusion or rolling, increase the strength of the single-phase metals? Mention the underlying mechanism in detailsarrow_forwardWhat is a fatigue limit, and what relevance does it have for lifetimes in the gigacycle (109) regime? Explainarrow_forward
- Explain the differences in grain structure for a metal that has been cold worked and one that has been cold worked and then recrystallized.arrow_forwardWhat is a Work Done on Elastic Solid Bars explain it?arrow_forwardExplain from the engineering perspective why the two heat-treated (air-cooled and water-cooled) specimens have different hardness.arrow_forward
- Explain the differences in the grain structure between a metal which has been cold worked and another same cold worked piece but has been fully re-crystallised. Why are small angle grain boundaries not as effective in interfering with the motion of dislocation as high angle grain boundaries?arrow_forwardDiscuss the trend for the hardness number of each metal with different indentation locations and explain what caused this trend.arrow_forwardDescribe what you know about the recrystallization of metals in figures and graphics.arrow_forward
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