Solve: http://i44.tinypic.com/am4o6u.jpg The composite beam above consists of a

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http://i44.tinypic.com/am4o6u.jpg

The composite beam above consists of a steel bar bonded to an aluminum bar, as shown. The composite beam is subjected to a bending moment about the z-axis, Mz = +300 lb middot ft. Assume Esteel = 30,000 ksi and EAluminum = 10,000 ksi.Complete the following: Determine the transformed section for the beam [bending about the z-axis] Provide a diagram of the transformed section Calculate the location of the neutral axis Calculate the moment of inertia Determine the normal stresses at the following locations The top of the beam The neutral axis The joint between the two materials (provide the stress in each metal) The bottom of the beam Plot the normal stresses along the height of the cross-section

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