For the problem specified in the table, build upon the results of the original problem to determine

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For the problem specified in the table, build upon the results of the original problem to determine the minimum factor of safety for fatigue at point A, based on infinite life. If the life is not infinite, estimate the number of cycles. The force F is applied as a repeated load. The material is AISI 1018 CD steel.
Repeat Prob. 3€“86, Repeat Prob. 3€“84 with Fx = 300 lbf, Fy = 250 lbf, and Fz = €“100 lbf.
Repeat Prob. 3€“84, The cantilevered bar in the figure is made from a ductile material and is statically loaded with Fy = 250 lbf and Fx = Fz = 0. Analyze the stress situation in the small diameter at the shoulder at A by obtaining the following information.

For the problem specified in the table, build upon the 177959

(a) Determine the precise location of the critical stress element at the cross section at A.
(b) Sketch the critical stress element and determine magnitudes and directions for all stresses acting on it. (Transverse shear may be neglected if you can justify this decision.)
(c) For the critical stress element, determine the principal stresses and the maximum shearstress.

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Shigleys Mechanical Engineering Design

ISBN: 978-1121345317

9th edition

Authors: Richard G. Budynas, J. Keith Nisbett

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