(c) Fig. Q3 shows the S-N curve of a metal rod with a diameter of 14 mm. The metal rod is subjected to a cyclic loading about a mean stress of zero. If the maximum cyclic tensile load applied is 4730 N, would the metal rod fail by fatigue and why? Stress Amplitude, σ (MPa) 20 10 50 100 90 80 0 100 1000 10000 100000 1e6 1e7 1e8 Number of Cycles to Failure, N₁ Fig. Q 3 S-N curve of the metal rod [8 marks]
(c) Fig. Q3 shows the S-N curve of a metal rod with a diameter of 14 mm. The metal rod is subjected to a cyclic loading about a mean stress of zero. If the maximum cyclic tensile load applied is 4730 N, would the metal rod fail by fatigue and why? Stress Amplitude, σ (MPa) 20 10 50 100 90 80 0 100 1000 10000 100000 1e6 1e7 1e8 Number of Cycles to Failure, N₁ Fig. Q 3 S-N curve of the metal rod [8 marks]
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter7: Analysis Of Stress And Strain
Section: Chapter Questions
Problem 7.7.25P: On the surface of a structural component in a space vehicle, the strains arc monitored by means of...
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