Course Solutions Uncategorized (Answered) : Stel Solid Round Bar Ubjected Fluctuating Force Causes N Bar Subjected Fluctuating Force C Q28383259

(Answered) : Stel Solid Round Bar Ubjected Fluctuating Force Causes N Bar Subjected Fluctuating Force C Q28383259

A stel solid round bar is ubjected to a fluctuating force which causes n bar is subjected to a fluctuating force which causes non-rotating flexural bending stresses that vary from 15 ksi to 25 ksi. The material is 1040 steel cold drawn. The yield strength is Sy 71 ksi, the ultimate strength is Su 80 ksi, and the %elongation is 12%. Find the endurance limit adjusted for surface finish (Sn). Then find Sn using the following conditions; wrought steel, the applied stress is a bending stress, the desired reliability is 0.90, and the diameter of the solid round bar is 4.5 inches. Using the Goodman Method, determine the safety factor (N), knowing that the stress concentration factor for bending at the peak stress point is 1.50. Also, determine if yielding will occur.A

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