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)

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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)
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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