Determine the approximate tensile strengths and ductilities(%ra) for specimens of a eutectoid iron–carbon alloy that have experienced the heat treatments described in parts (a) through (d) of problem 10.24

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.