A closed brass (Y = 240 MPa. E = 96.5 GPa, V = 0.35, and α = 0.000020/°C) cylinder has an inside diameter of 70 mm and an outside diameter of 150 mm. It is subjected to a temperature difference T0 = Ta - Tb = 700C.
a. Determine the magnitude P1of internal pressure required to initiate yield in the cylinder.
b. Determine the magnitude p2of external pressure required to initiate yield.
c. Repeat parts a and b for the case T0 = 0. Use the maximum shear-stress criterion of failure.
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