8-21. The elastic portion of the stress-strain diagram foran aluminum alloy is shown in the figure. The specimenfrom which it was obtained has an original diameter of12.7 mm and a gage length of 50.8 mm. When the appliedload on the specimen is 50 kN, the diameter is 12.67494 mm.Determine Poisson's ratio for the material.8-22. The elastic portion of the stress-strain diagram for analuminum alloy is shown in the figure. The specimen fromwhich it was obtained has an original diameter of 12.7 mmand a gage length of 50.8 mm. If a load of P = 60 kN isapplied to the specimen, determine its new diameter andlength. Take v = 0.35.σ (MPa)4900.007Probs. 8-21/22€ (mm/mm)

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8-21. The elastic portion of the stress-strain diagram for an aluminum alloy is shown in the figure. The specimen from which it was obtained has an original diameter of 12.7 mm and a gage length of 50.8 mm. When the applied load on the specimen is 50 kN, the diameter is 12.67494 mm. Determine Poisson's ratio for the material.

8-21. The elastic portion of the stress-strain diagram for an aluminum alloy is shown in the figure. The specimen from which it was obtained has an original diameter of 12.7 mm and a gage length of 50.8 mm. When the applied load on the specimen is 50 kN, the diameter is 12.67494 mm. Determine Poisson's ratio for the material.

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

8-21. The elastic portion of the stress-strain diagram for
an aluminum alloy is shown in the figure. The specimen
from which it was obtained has an original diameter of
12.7 mm and a gage length of 50.8 mm. When the applied
load on the specimen is 50 kN, the diameter is 12.67494 mm.
Determine Poisson's ratio for the material.
8-22. The elastic portion of the stress-strain diagram for an
aluminum alloy is shown in the figure. The specimen from
which it was obtained has an original diameter of 12.7 mm
and a gage length of 50.8 mm. If a load of P = 60 kN is
applied to the specimen, determine its new diameter and
length. Take v = 0.35.
σ (MPa)
490
0.007
Probs. 8-21/22
€ (mm/mm)

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