650600550500450400350300250200150100500.0020.0040.0060.0080.010.0120.0140.0160.0180.02Strain mm/mmThe graph above shows the stress-strain relationship of a steel bar under tensiontest. The steel bar diameter = 8 mm and the bar gauge length = 100 mm. Determinethe following:If the specimen is loaded to 550 MPa and then unloaded. What would be themodulus of resilience of the sample after reloading?Stress (MPa)

Answered: Image /qna-images/answer/1d15a58d-a4d6-4747-baf1-e2ea64d8d52f.jpg

Answered: Strain mm/mm graph above shows the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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M13.6 Principal stresses from rosette data scenes -200 µE 23 Eb = 200 με Ec 500 µE 30° 30° Ex (LE) a Ey (µE) Yxy (Lurad) The strain rosette shown was used to obtain normal strain data at a point on the free surface of a steel (E = 200 GPa; v = 0.32) plate. Op1 (MPa) Determine the normal strains, the shear strain, and the principal stresses in the x-y plane. Op2 (MPa) Try One 1st 2nd 3rd attempt enter
For a given homogeneous, isotropic, linearly elastic material, E = 15e6 psi and v = 0.3. Solve for the shear modulus. 2.1.1 Homogeneous, isotropic, linearly elastic materials For specimens undergoing small deformations, the stress-strain diagram often ex- hibits a linear behavior. Although this is a very crude approximation to the behavior of actual materials, it is a convenient assumption that is often used for preliminary evaluation. A linear relationship between stress and strain can be expressed as 01 = E €1, (2.1) where the coefficient of proportionality, E, is called Young's modulus or modulus of elasticity. Since strains are non-dimensional quantities, this coefficient has the same units as stress quantities, i.e., Pa. This linear relationship is known as Hooke's law. The elongation of a bar in the direction of the applied stress is accompanied by a lateral contraction that is also proportional to the applied stress. The resulting defor- mations for this uniaxial state of stress…
A tensile specimen havign a diameter of 6 mm and a gauge length of 50 mm was tested to fracture and the stress-strain diagram is show. Poisson's ratio of material, v = 0.3 Determine the load P that the sample is subjected to when a stress of 300 MPa is applied. What is the instantaneous diameter of the sample given a longitudinal strain of 0.002?

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Strain mm/mm graph above shows the stress-strain relationship of a steel bar under tension The steel bar diameter = 8 mm and the bar gauge length = 100 mm. Determine following: e specimen is loaded to 550 MPa and then unloaded. What would be the lulus of resilience of the sample after reloading?