Equations are developed for prediction of steady-state creep stresses and strain rates in a thick-walled tube under combined internal pressure and axial load. An analytical solution of the equations, in closed form, is not possible but numerical solutions to the equations are tabulated for various values of the variables. For values of the variables, other than those tabulated, interpolation is usually adequate. If this is not the case, a trial method of calculation is presented which uses the tabulated solutions as a starting point. Simple approximate solutions, which apply for the cases in which the additional axial load is small or large relative to the axial load due to internal pressure, are also given.
Steady-State Creep of a Thick-Walled Cylinder Under Combined Axial Load and Internal Pressure
Shell Development Company, Emeryville, Calif.
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Finnie, I. (September 1, 1960). "Steady-State Creep of a Thick-Walled Cylinder Under Combined Axial Load and Internal Pressure." ASME. J. Basic Eng. September 1960; 82(3): 689–694. https://doi.org/10.1115/1.3662706
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