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(Solved): A shaft is loaded in bending and torsion such that Ma=70Nm,Ta=45Nm,Mm=55Nm ...



A shaft is loaded in bending and torsion such that \( M_{a}=70 \mathrm{~N} \cdot \mathrm{m}, T_{a}=45 \mathrm{~N} \cdot \math

A shaft is loaded in bending and torsion such that , and . For the shaft, , the true fracture strength is , and a fully corrected endurance limit of is assumed. Let and . With a design factor of 2.0 determine the minimum acceptable diameter of the shaft using the (a) DE-Goodman criterion. (b) DE-Morrow criterion. (c) DE-Gerber criterion. (d) DE-SWT criterion. Discuss and compare the results.


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