7. A cylindrical steel bar is subjected to repeated compression-tension stress cycling along its axis. The mean stress is zero (0). If the maximum tensile load applied to the bar is 15,000 N, calculate the minimum allowable bar diameter (in mm) to ensure that fatique failure will not occur. Assume a Safety Factor of 3. Show all work 500- 450 400 S 350 300 250 10 10 10° 10 10 S (MPa)
7. A cylindrical steel bar is subjected to repeated compression-tension stress cycling along its axis. The mean stress is zero (0). If the maximum tensile load applied to the bar is 15,000 N, calculate the minimum allowable bar diameter (in mm) to ensure that fatique failure will not occur. Assume a Safety Factor of 3. Show all work 500- 450 400 S 350 300 250 10 10 10° 10 10 S (MPa)
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 8.5.32P
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![7. A cylindrical steel bar is subjected to repeated compression-tension stress cycling along
its axis. The mean stress is zero (0). If the maximum tensile load applied to the bar is
15,000 N, calculate the minimum allowable bar diameter (in mm) to ensure
that fatigue
failure will not occur. Assume a Safety Factor of 3. Show all work
500
450
400
S 350
300-
250
10
10
10
10
10
10
S (MPa)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F38392922-e79b-4467-bdea-1e44ef4a2e5d%2Fa71ad038-dfe8-497b-9fd1-940093b5ea28%2Fetrnyh_processed.png&w=3840&q=75)
Transcribed Image Text:7. A cylindrical steel bar is subjected to repeated compression-tension stress cycling along
its axis. The mean stress is zero (0). If the maximum tensile load applied to the bar is
15,000 N, calculate the minimum allowable bar diameter (in mm) to ensure
that fatigue
failure will not occur. Assume a Safety Factor of 3. Show all work
500
450
400
S 350
300-
250
10
10
10
10
10
10
S (MPa)
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