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Engineering and Tech / Materials Science and Engineering: An Introduction 9 / Chapter 6 / Problem 6.28

Materials Science and Engineering: An Introduction | 9th Edition | ISBN: 9781118324578 | Authors: William Callister

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A load of 140,000 N (31,500 lbf) is applied to a

Chapter 6, Problem 6.28

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QUESTION:

A load of 140,000 N (31,500 lbf) is applied to a cylindrical specimen of a steel alloy (displaying the stressstrain behavior shown in Figure 6.22) that has a cross-sectional diameter of 10 mm (0.40 in.). (a) Will the specimen experience elastic and/or plastic deformation? Why? (b) If the original specimen length is 500 mm (20 in.), how much will it increase in length when this load is applied?

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QUESTION:

A load of 140,000 N (31,500 lbf) is applied to a cylindrical specimen of a steel alloy (displaying the stressstrain behavior shown in Figure 6.22) that has a cross-sectional diameter of 10 mm (0.40 in.). (a) Will the specimen experience elastic and/or plastic deformation? Why? (b) If the original specimen length is 500 mm (20 in.), how much will it increase in length when this load is applied?

ANSWER:

Step 1 of 3

Part A

First calculate the stress:

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