Manufacturing Engineering And Technology
7th Edition
ISBN: 9789810694067
Author: Stephen R. Schmid (author) Serope Kalpakjian (author)
Publisher: Pearson Education Orphans
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Chapter 4, Problem 29QLP
To determine
Explain your understanding of size distortion and shape distortion in heat-treated parts, and describe their causes.
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Explain from the engineering perspective why the two heat-treated (air-cooled and water-cooled) specimens have different hardness.
Discuss the advantages and disadvantages of hot and cold working of metals.
Explain the reason for the quenching cracking that may occur when hardening some parts. Describe the alternative methods applied to prevent this situation by showing them on a single figure.
Chapter 4 Solutions
Manufacturing Engineering And Technology
Ch. 4 - Describe the difference between a solute and a...Ch. 4 - What is a solid solution?Ch. 4 - Prob. 3RQCh. 4 - Describe the difference between a single-phase and...Ch. 4 - What is an induction heater? What kind of part...Ch. 4 - Describe the major features of a phase diagram.Ch. 4 - What do the terms equilibrium and constitutional,...Ch. 4 - Prob. 8RQCh. 4 - What is tempering? Why is it performed?Ch. 4 - Explain what is meant by severity of quenching.
Ch. 4 - What are precipitates? Why are they significant in...Ch. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Prob. 15RQCh. 4 - You may have seen some technical literature on...Ch. 4 - Prob. 17QLPCh. 4 - What is the difference between hardness and...Ch. 4 - Prob. 19QLPCh. 4 - Prob. 20QLPCh. 4 - Prob. 21QLPCh. 4 - Describe the characteristics of (a) an alloy, (b)...Ch. 4 - Explain why carbon, among all elements, is so...Ch. 4 - Prob. 24QLPCh. 4 - In Section 4.8.2, several fluids are listed in...Ch. 4 - Why is it important to know the characteristics of...Ch. 4 - Explain why, in the abscissa of Fig. 4.16c, the...Ch. 4 - Prob. 28QLPCh. 4 - Prob. 29QLPCh. 4 - Prob. 30QLPCh. 4 - Design a heat-treating cycle for carbon steel,...Ch. 4 - Using Fig. 4.4, estimate the following quantities...Ch. 4 - Prob. 33QTPCh. 4 - Prob. 34QTPCh. 4 - Prob. 35SDPCh. 4 - Figure 4.18b shows hardness distributions in...Ch. 4 - Throughout this chapter, you have seen specific...Ch. 4 - Refer to Fig. 4.24, and think of a variety of...Ch. 4 - Inspect various parts in your car or home, and...
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- Explain 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 the right answer and solution for this?arrow_forwardIt's important to explain the fundamentals of strain hardening. Is this technique still reliable in hot conditions? Explainarrow_forward
- Explain the difference between hardness and hardenabilityarrow_forwardFor each of the heat treatments and processes below, explain what the process is, how it affects the structure, properties and behaviour of the parent material. A) solution heat treatment of Aluminium/ Copper alloys B) chemical vapour deposition on semiconductor materials C) Hot forging of steelsarrow_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
- Please explain each step clearly and extensively.arrow_forwardExplain the concept and procedures involved in a case hardening process of a low carbon steel and provide an example of the application of this technique to solving engineering problemsarrow_forwardCold forming method is applied to many metals and alloys such as steel, aluminum, copper at room temperature and temperatures below it, its strength increases after cold. Explain the factor that causes increased material strength.arrow_forward
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