A cylindrical specimen of stainless steel having a diameter of 12.8 mm (0.505 in.) and a gauge

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A cylindrical specimen of stainless steel having a diameter of 12.8 mm (0.505 in.) and a gauge length of 50.800 mm (2.000 in.) is pulled in tension. Use the load-elongation characteristics shown in the following table to complete parts (a) through (f)?

Load Length N Ibf in. mm 50.800 2.000 12,700 2,850 50.825 2.001 25,400 5,710 50.851 2.002 38,100 8,560 50.876 2.003 50,800 11,400 50.902 2.004 76,200 17,100 50.952 2.006 89,100 20,000 51.003 2.008 92,700 20,800 51.054 2.010 102,500 23,000 51.181 2.015 107,800 24,200 51.308 2.020 119,400 26,800 51.562 2.030 128,300 28,800

(a) Plot the data as engineering stress versus engineering strain.
(b) Compute the modulus of elasticity.
(c) Determine the yield strength at a strain offset of 0.002.
(d) Determine the tensile strength of this alloy.
(e) What is the approximate ductility, in percent elongation?
(f) Compute the modulus of resilience.

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Materials Science and Engineering An Introduction

ISBN: 978-1118324578

9th edition

Authors: William D. Callister Jr., David G. Rethwisch

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