Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 4, Problem 20QLP
To determine
It generally is not desirable to use steels in their as quenched condition. Explain why.
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3. List as many problems encountered with water-hardening
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Chapter 4 Solutions
Manufacturing Engineering & 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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- Why must cracks in the martensite layer of high-manganese steels be removed?arrow_forwardWhy is the formation of martensite a problem when welding on high carbon steels?arrow_forwardWhich of the following is a method for strengthening metals and alloys: a. solution hardening b. full annealing c. work hardening d. incomplete casting e. cold working f. quenching g. incomplete fusionarrow_forward
- Briefly explain the heat treatment steps of a tool steel by use of proper drawings and explainwhy multiple tempering is applied during heat treatment?arrow_forward1. Cold working is done in ambient temperature while hot working is done at around 600°C for steel. Differentiate the effect of the two process in steel, and the reason for using one from the other.arrow_forwardIncrease in carbon content in plain carbon steels raise its (a) Ductility and UTS (b) Tensile strength and malleability (c) Tensile strength and hardness (d) Ductility and melting temperaturearrow_forward
- Explain 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_forwardIn your own words describe the following heat treatment procedures for steels and, for each, the intended final microstructure: (a) full annealing (b) normalizing (c) quenching (d) tempering.arrow_forwardExplain the properties and structure of plain carbon steel.arrow_forward
- 1.Mention four quenchants and describe how each of them affect the strength of the material being quenched arranging them in a decending ordrer. 2. Draw a typical time temperature transformation diagram showing how a material is cooled under critical cooiling rate. 3. explain non equilibrium coolingarrow_forwardExplain what is hardenability then name some of the elements that have the greatest effect on the hardenability of steel.arrow_forwardPlease explain and solve the following question and do any skecthes as needed for me to understand. explain the distinguishing features of eutectoid and martensitic transformations in steel have? Compare and contrast them in briefarrow_forward
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