A steel tube, 16 mm internal diameter, has an outside diameter of 48 mm and a length of 20 mm. A slightly oversize solid plug is pressed into the bore of the tube. Determine the maximum difference in diameter between the plug and the tube if the maximum stress in the tube is not to exceed 420 MPa. Assume Young's modulus E = 200 GPa and Poisson's ratio u = 0.3 for both the tube and the plug. Assume Lame's equations without derivation.

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The problem involves determining the maximum difference in diameter between the plug and the tube subject to the constraint that the maximum stress in ... View the full answer