The stress-strain relation of an aluminum alloy bar having a length of 2 m anda diameter of 10 mm is expressed by the equation31 +8 =70,000where o is in MPa. If the rod is axially loaded by a tensile force of 20 kN andlhen unloaded, whal is the permanent deformation of the bar?

Calculate stress by using the following equation: σ=Pπ4d2 Here, Load applied on the rod is P and…

Answered: The stress-strain relation of an…

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.1P

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The stress-strain relation of an aluminum alloy bar having a length of 2 m and a diameter of 10 mm is expressed by the equation 3 1 + 8 = 70,000 where o is in MPa. If the rod is axially loaded by a tensile force of 20 kN and lhen unloaded, whal is the permanent deformation of the bar?