A shouldered machine shaft is subjected to torsional loading, as shown. The shaft is made from AISI 1018 HR steel with SuJ = 400 MPa. For this shaft, D = 150 mm, d = 138 mm, and r = 10.35 mm. Determine the shear fatigue stress concentration factor using the Neuber Equation. T T O a. 1.4632 O b. 1.1580 O c. 1.1141 O d. 1.1766

A shouldered machine shaft is subjected to torsional loading, as shown. The shaft is made from AISI 1018 HR steel with SuJ = 400 MPa. For this shaft, D = 150 mm, d = 138 mm, and r = 10.35 mm. Determine the shear fatigue stress concentration factor using the Neuber Equation. T T O a. 1.4632 O b. 1.1580 O c. 1.1141 O d. 1.1766

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

A shouldered machine shaft is subjected to torsional loading, as shown. The shaft is made from AISI 1018 HR steel with SuT = 400 MPa. For this
shaft, D = 150 mm, d = 138 mm, and r = 10.35 mm. Determine the shear fatigue stress concentration factor using the Neuber Equation.
T
Оа. 1.4632
O b. 1.1580
O c. 1.1141
d. 1.1766

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