Let the steel in the cylinder in Problem 11.29 have a yield stress of Y = 500 MPa. Determine the magnitude of T0necessary to initiate yielding in the cylinder based on the
a. maximum shear-stress criterion of failure and
b. octahedral shear-stress criterion of failure
Problem 11.29
An unloaded closed cylinder has an inner radius of 100 mm and an outer radius of 250 mm. The cylinder is made of a steel for which α = 0.0000117/°C, E = 200 GPa, and v = 0.29. Determine the stress components at the inner radius for a steady-state 1emperature change with the temperature at the inner radius 1 00°C greater than the temperature at the outer radius.
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