A shaft is loaded in bending and torsion such that Ma= 70 N m, Ta= 45 N m, Mm = 55 N m, and Tm= 35 N m. For the shaft, Su= 700 MPa, Sy = 560 MPa, the true fracture strength is 1045 MPa, and a fully corrected endurance limit of Se = 210 MPa is assumed. Let Kf= 2.2 and Kfs = 1.8. With a design factor of 2.0 determine the minimum acceptable diameter of the shaft using the DE-Goodman criterion. %3D

A shaft is loaded in bending and torsion such that Ma= 70 N m, Ta= 45 N m, Mm = 55 N m, and Tm= 35 N m. For the shaft, Su= 700 MPa, Sy = 560 MPa, the true fracture strength is 1045 MPa, and a fully corrected endurance limit of Se = 210 MPa is assumed. Let Kf= 2.2 and Kfs = 1.8. With a design factor of 2.0 determine the minimum acceptable diameter of the shaft using the DE-Goodman criterion. %3D

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.2.7P: (a) Solve part (a) of the preceding problem if the pressure is 8.5 psi, the diameter is 10 in., the...

See similar textbooks

Similar questions

(a) Solve part (a) of the preceding problem if the pressure is 8.5 psi, the diameter is 10 in., the wall thickness is 0,05 in., the modulus of elasticity is 200 psi, and Poisson's ratio is 0.48. (b) If the strain must be limited to 1.01, find the maximum acceptable inflation pressure
Required information A shaft is loaded in bending and torsion such that M₂ = 66 N-m, T₂ = 42.496 N-m, Mm = 51.858 N-m, and Tm - 33 N-m. For the shaft, Su = 700 MPa and Sy=560 MPa, the true fracture strength is 1045 MPa, and a fully corrected endurance limit of S₂ = 210 MPa is assumed. Let Kf= 2.2 and Kfs=1.8. With a design factor of 2.0, determine the minimum acceptable diameter of the shaft using the methods mentioned in the subsection. Determine the minimum acceptable diameter of the shaft using the DE-Morrow criterion. The diameter of the shaft is mm.
A shaft is loaded in bending and torsion such that Ma = 70 N * m, Ta = 45 N * m, Mm = 55 N * m, and Tm = 35 N * m. For the shaft, Su = 700 Mpa, the true fracture strength is 1045 MPa, and a fully corrected endurance limit of Se = 210 MPa is assumed. Let Kf = 2.2 and Kfs = 1.8. With a design factor of 2.0 determine the minimum acceptable diameter of the shaft using: a. DE-Goodman criterion b. DE-Morrow criterion c. DE-Gerber criterion d. DE-SWT criterion Discuss and compare the results.
A shaft, made of AISI 1050 CD steel, is loaded in bending and torsion such that Ma = 610 lbf · in, Ta= 375 lbf · in, Mm= 469 lbf · in, and Tm = 287 lbf· in. The shaft has a fully corrected endurance limit of S. = 30 kpsi and at the critical stress location, K= 2.3 and K = 1.9. Estimate the true fracture strength as being 50 kpsi greater than the ultimate strength. The design factor is 2.5. A) Determine the minimum acceptable diameter of the shaft using the DE- Morrow criterion. B) Determine the minimum acceptable diameter of the shaft using the DE- Gerber criterion.
Q3: A shaft is made of material has stress-strain curve is given by a -165 e 1 MPa. If the initial length is 130 mm and fracture length is 183 mm. Find: 1. The range of UPD & NPD regions. 2. The percentage difference in area reduction between necking and fracture.
2. Another cylindrical component is madeof Enfennering ceramic Al203 but with different dimensions. Here, l=30 cm and the diameter is 4 cm. Assume the same Weibull modulus of 9. Calculate the level of the tensile strength for the following probability of failures: a. Pr (V) = 0.1 b. Pr (Vo) = 0.01 c. What is the survival probability and the failure probability of this component if a stress of 200 MPa is applied?
1. An AISI 1018 steel has a yield strength, Sy = 295 MPa. Using the distortion energy theory for the plane stress state ox = -30 MPs, Oy = -65 MPa, and Txy = 40 MPa. 1) Determine the factor of safety. 2) Plot the safety envelope of the material. 3) Plot the load line. 4) Estimate the factor of safety by graphical method (refer to 4-1 Ductile Failure I, P10).
Required information A shaft is loaded in bending and torsion such that Ma= 66 Nm, Ta=42.496 N.m, Mm = 51.858 N.m, and Tm = 33 N-m. For the shaft, Su = 700 MPa and Sy=560 MPa, the true fracture strength is 1045 MPa, and a fully corrected endurance limit of Se = 210 MPa is assumed. Let Kf= 2.2 and Kfs=1.8. With a design factor of 2.0, determine the minimum acceptable diameter of the shaft using the methods mentioned in the subsection. Determine the minimum acceptable diameter of the shaft using the DE-Morrow criterion. The diameter of the shaft is 27.16 mm.
2 Estimate the fatigue strength of a rotating-beam made of AISI 1035 CR steel corresponding to a life of 10° cycles of stress reversal. Also, estimate the life of the specimen corresponding to stress amplitude of 60 ksi.
Q6/ A material has a true stress -strain curve given by o=Kɛ", derive and calculate the true and engineering ultimate tensile strength of this material. (use : k=689.47kpa , n=0.5)
A circular bar - shown below, made of AISI 1040 OQT 1300 steel (SU = 600 MPa), is loaded with an axial tensile loading P. Calculate the modified endurance strength (SE) and the modified fatigue strength (SF) for the bar if D = 36 mm, d = 30 mm, and r = 2.4 mm. Use the number of cycles to fracture to be 5 × 105. Assume that the surface finish factor, kf, is 0.85, the size factor, kS, is 0.85, and the notch sensitivity factor, qn, is 0.75. Use the following equations if needed,
A steel rotating-beam test specimen has an ultimate strength of 1600 MPa. Estimate the life of the specimenif it is tested at a completely reversed stress amplitude of 900 MPa.