What is the safety factor with respect to failure

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Reference no: EM131307141

In order to penetrate a workpiece, a tungsten carbide drill bit is subject to a torque of 3.8 Nm and an axial force of 5 kN. Tungsten carbide is very strong (compressive strength 1400 MPa, tensile strength 340 MPa) but also brittle. Assuming the bit is a uniform cylinder with 4 mm diameter, what is the safety factor with respect to failure during this operation?

Reference no: EM131307141

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