3. Given a wrought aluminum shaft with a diameter of 35 mm. The ultimate strength of the material is450 MPa, and the shaft finish is polished. Assume 99% reliability and a temperature of 200 °C.a) Construct a Log S- Log N curve.b) For completely reversed loading, find the alternating stress allowed if a lifetime of 10 cyclesis desired.

Here is the Log S - Log N curve for the wrought aluminum shaft. The curve shows the relationship…

Answered: 3. Given a wrought aluminum shaft with…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A steel shaft can be manufactured as a circular rod with a solid body or a circular tube. The shaft is required to bear a torsion moment of 1200 N.m. The shear safety stress for the shaft material is 40 MPa, the largest permitted unit torsion angle in the bar is 0.75º/m. The shear modulus of steel is G=78 GPa. a) Find the required diameter d0 for a solid circle shaft. b) Find the required outer diameter d2 for a ring-section shaft with a thickness in tenths of the outer diameter. c) Find the diameter ratio (d2/d0 ratio) and the weight ratio for ring cross section and solid section shafts.
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