Find the factor of safety guarding against a static failure

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Reference no: EM13623029

A bar of steel has the minimum properties Se=40 kpsi, Sy=60 kpsi, and Sut=80 kpsi. The bar is subjected to a steady torsional stress of 15 kpsi and an alternating bending stress of 25 kpsi. Find the factor of safety guarding against a static failure, and either the factor of safety guarding against a fatigue failure or the expected life of the part. For the fatigue analysis use Modified Goodman criterion.

Reference no: EM13623029

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