What the maximum stresses in the stepped shaft composite of two materials steel and Aluminum that fixed at the two ends as shown in Figure. It is subjected to a torque of 300 N.m at the section C. The larger section is of Aluminum and the smaller one is of steel. Gs = 82 GPa and Gal = 27 GPa.

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Q: 150 B D C St Al 50 30 300 N.m 600 500

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Q: Determine the maximum stresses in the stepped shaft composite of two materials steel and Aluminum…

A: Given; GS=82 GPaGAl=27 GPa

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Q: torque that will cause a maximum shear stress of 10 000 psi. Use G = 4x 106 psi for aluminum. e-4…

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Q: A hollow shaft of outer radius 140 mm and inner radius 125 mm is subjected to an axial force and a…

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Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.