R8-1. The elastic portion of the tension stress-straindiagram for an aluminum alloy is shown in the figure. Thespecimen used for the test has a gauge length of 50 mm anda diameter of 12.5 mm. When the applied load is 40 kN, thenew diameter of the specimen is 12.4800 mm. Compute theshear modulus G, for the aluminum.a (MPa)350(mm/mm)0.00480

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Answered: R8-1. The elastic portion of the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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σ (MPa) 490 0.007 -e (mm/mm) A specimen has the stress-strain diagram shown. The specimen has an original diameter of 12.4 mm, and its modulus of rigidity is 27.4 GPa. Determine the specimen's diameter when the longitudinal stress is 325 MPa.
In a standard tensile test a steel rod of 7/8 in. in diameter is subjected to a tension force of 17 kips. Determine the ratio of the shear modulus to the modulus of elasticity of a material whose Poisson's ratio is 0.25.
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A strain gauges system mounted at a point on a structural member that is subjected to a multiaxial stress, where we have the following readings: &x = 7.820 x10+; Ey = -8.680x10¹4;&z= 3.200 x104; Vxy = 2.112 x10-³; Determine the stress components if the member is made of an isotropic material with linear elastic behavior having the following elastic properties: Poisson's ratio y = 0.32 and shear modulus G = 37.9 Gpa; E= Ox= Gy = Txy = 27.1 GPa 75 MPa 77 GPa 80 MPa -50 MPa 75 MPa -50 MPa 100 MPa 100 GPa 100 MPa 40 MPa 40 MPa 40 MPa -50 MPa 80 MPa
2) The elastic portion of the tension stress-strain diagram for an aluminum alloy is shown in the figure. The specimen used for the test has a gauge length of 50 mm and a diameter of 12.5 mm. When the applied load is 45 KN, the new diameter of the specimen is 12.48375 mm. Compute the shear modulus (Gal) for the aluminum. σ (MPa) 500 71 0.00614 € (mm/mm)
Determine the elastic modulus and the yield strength for the material having the stress-strain curve shown. Use the 0.2% offset method. 1600 1400 1200 E 1000 800 600 400 200 0.5 1 1.5 2 Strain, percent Elastic modulus: (Express your answer in whole numbers.) E = ksi Yield strength: (Express your answer using three significant figures.) Sy = ksi Stress, psi
A= A specimen of magnesium having a rectangular cross section of dimension 3.2)mm x 19.1/mm and a gauge length of 63.5 is pulled in tension. Use the load-clongation characteristics tabulated as follows to: Load 0.0 1.38 2.78 5.63 7.43 8.14 9.87 12.85 14.10 14.34 13.83 12.59 6.99 (KN) Al 0.0 0.03 0.06 0.12 0.20 0.25 0.64 1.91 3,18 4.45 5.72 (mm) a) Plot the data as engineering stress versus engineering strain. b) Compute the modulus of elasticity.-M. L. 445010 c) Determine the tensile strength of this alloy.
Data taken from a stress-strain test for a ceramic are given in the table. The curve is linear between the origin and the first point. Plot the diagram, and determine the modulus of elasticity and the modulus of resilience.
The ratio of shear stress to its strain is known as Modulus of elasticity. Select one: True False
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The stress-strain diagram for an aluminum alloy specimen having an original diameter of 0.5 in. and a gauge length of 2 in. is given in the figure. If the specimen is loaded until it is stressed to 60 ksi, determine the approximate amount of elastic recovery and the increase in the gage length after it is unloaded.

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