Derive an expression relating the torque

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Derive an expression relating the torque, T, in a tension test to the shear stress at the surface, τ s, in terms of the bar diameter, D, assuming that the bar is

A. Entirely elastic, so that τ varies linearly with the shear strain, γ .

B. Entirely plastic and does not work-harden, so that the shear stress, τ , is constant.

Reference no: EM13886999

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