(Solved): The elastic portion of stress-strain diagram for a steel alloy is shown. The specimen from which it ...

The elastic portion of stress-strain diagram for a steel alloy is shown. The specimen from which it was obtained had an original diameter of \( 13.000 \mathrm{~mm} \) and a gauge length of \( 50.000 \mathrm{~mm} \). Poisson's ratio (v) for the material is known to be \( 0.4 \). a) Determine the modulus of elasticity (E) for the linear elastic portion of the curve. b) Compute the modulus of resilience \( \left(u_{n}\right) \) for the material. c) Determine the shear modulus (G) for the material.