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  3. 3 a low carbon steel shaft is designed to have...

Question: 3 a low carbon steel shaft is designed to have...

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3) A low carbon steel shaft is designed to have a diameter of 30 mm. It is to be subjected to an axial load (P = 30 kN), a moment (M-200 N-m), and a torque (T 300 N-m). Assume the material is yield critical with a 1. nd compressive yield strength of 280 MPa. The Poissons ratio is (v - 0.29), and the safety factor is (1.1) Calculate the margin of safety on a plane stress incremental element on the upper surface of the shaft using the following failure theories: a.) Rankine Criteria (Maximum Principal Stress) b.) Tresca Criteria (Maximum Shear Stress) c.) Saint Venan d.) Von Mises Criteria (Energy Distortion) Maximum Principal Strain)

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