Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 1, Problem 11RQ
What is the relationship between the nucleation rate and the number of grains per unit volume of a metal?
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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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- What properties can annealing produce in metals?arrow_forwardWhat is the driving force for recrystallization What are the stages to build up new. phasearrow_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
- A copper plate was cold rolled and according to metallographic examination "elongated grains" were not seen in rolling direction. How can you explain thisarrow_forwardThe needle form of mullite offering substantial increasing in structural strength and heat resistance? (Provided that the answer is scientific brief)arrow_forwardExplain how does the reduction of the grain size increase the strength of the single-phase metals?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_forwardExplain 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_forwardQuestion:- Explain the following terms and state when/where they are used. Homology modeling Coarse grained modelingarrow_forward
- Please explain the differences between recovery and recrystallization processesarrow_forward13. Outline (with the aid of any diagrams as appropriate) the principles of protecting metals from the effects of corrosion by electrochemical means. 14. Describe the phenomenon of creep in metals. Referring to the features of a graph of strain versus time, outline the general creep characteristics, 15.For minimising (1) dislocation creep and (ii) diffusion creep, state in each case whether a metal with a small grain size or a large grain size would be the most suitable, giving reasons for your answers.16. Outline (with the aid of any diagrams as appropriate) the use of plasticisers and stabilisers in polymeric materials. 17. By referring to the general characteristics of stress-strain plots of PMMA (perspex), explain how and why viscoelasticity influences fast and slow rates of load application. 18. Explain, with sketched examples, the principles of designing injection-moulded polymer products to minimise sink marks.arrow_forwardIdentify the type of process in which the smithy operations are applied to gold. a. Extrusion operation b. Hand forging operation c. Drop forging operation d. Drawing operationarrow_forward
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