d.Modulus of resiliencein N-mm/mm3e.Modulus of toughnessin N-mm/mm3 The following data are taken from a 20mm in diameter bar of length 250mm, thefollowing results were recorded. Assume that the curve of the stress-strain diagram islinear from the origin to the first point.P (load in kN)6(elongation in mm)1120.21540.30.40.51671741810.6Determine thea. Stress at 167 kN load in MPab. Strain at 167 kN load in mm/mm (expressed in scientific notation)c. Modulus of elasticity in MPad. Modulus of resilience in N-mm/mm3e. Modulus of toughness in N-mm/mm3

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d.Modulus of resiliencein N-mm/mm3 e.Modulus of toughnessin N-mm/mm3

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.4P: An element of material in plain strain is subjected to strains x = 0.0015, , y . = -0.0002, and xy =...

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Question

d.Modulus of resiliencein N-mm/mm3

e.Modulus of toughnessin N-mm/mm3

The following data are taken from a 20mm in diameter bar of length 250mm, the
following results were recorded. Assume that the curve of the stress-strain diagram is
linear from the origin to the first point.
P (load in kN)
6(elongation in mm)
112
0.2
154
0.3
0.4
0.5
167
174
181
0.6
Determine the
a. Stress at 167 kN load in MPa
b. Strain at 167 kN load in mm/mm (expressed in scientific notation)
c. Modulus of elasticity in MPa
d. Modulus of resilience in N-mm/mm3
e. Modulus of toughness in N-mm/mm3

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