Creep of Thick-Walled Tubes Under Internal Pressure Considering Large Strains

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Abstract
Using the generally accepted assumptions of constant density, zero axial strain, and the distortion-energy law, equations are derived for the creep rates, strains, and stresses of a thick-walled, closed-end, circular, hollow cylinder under internal pressure and made of an isotropic and homogeneous material. The strains are considered large, requiring the use of the finite-strain theory. A known creep rate versus stress relation is then used to solve a specific problem.

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