A solid cylindrical shaft has a diameter of d = 20 mm and is made from steel with an ultimatestrength of Su = 850 MPa. For each of the following conditions, determine the safety factor (n)with respect to infinite fatigue life (endurance strength Se) and fracture strength (Sf) at 5 × 10¹cycles. The loading is applied at room temperature100 Nm (no axial load or torsion), a cold-drawn surface(a) With a bending moment of M=finish and a reliability of 95%.(b) With a torsional load of T = 200 Nm (no axial load or bending), a ground surface finishand a reliability of 99%.MTT(M

Given data:- The given Solid cylindrical shaft has a diameter, d=20 mm The Ultimate Strength, Su=850…

A solid cylindrical shaft has a diameter of d = 20 mm and is made from steel with an ultimate strength of Su = 850 MPa. For each of the following conditions, determine the safety factor (n) with respect to infinite fatigue life (endurance strength Se) and fracture strength (Sf) at 5 × 104 cycles. The loading is applied at room temperature (a) With a bending moment of M = 100 Nm (no axial load or torsion), a cold-drawn surface finish and a reliability of 95%. (b) With a torsional load of T = 200 Nm (no axial load or bending), a ground surface finish and a reliability of 99%. T T (~ 0) M M

A solid cylindrical shaft has a diameter of d = 20 mm and is made from steel with an ultimate strength of Su = 850 MPa. For each of the following conditions, determine the safety factor (n) with respect to infinite fatigue life (endurance strength Se) and fracture strength (Sf) at 5 × 104 cycles. The loading is applied at room temperature (a) With a bending moment of M = 100 Nm (no axial load or torsion), a cold-drawn surface finish and a reliability of 95%. (b) With a torsional load of T = 200 Nm (no axial load or bending), a ground surface finish and a reliability of 99%. T T (~ 0) M M

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter11: Fracture And Fatigue

Section: Chapter Questions

Problem 6ETSQ

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