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A cylindrical 1045 steel bar (Figure) is subjected to repeated compression-tension stress cycling along its axis.?If the load amplitude is 22,000 N (4950lb f ), compute the minimum allowable bar diameter to ensure that fatigue failure will not occur. Assume

A cylindrical 1045 steel bar (Figure) is subjected to repeated compression-tension stress cycling along its axis.?If the load amplitude is 22,000 N (4950lbf), compute the minimum allowable bar diameter to ensure that fatigue failure will not occur. Assume a factor of safety of 2.0.

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80 500 70 60 400 50 1045 steel 300 40 2014-T6 aluminum alloy 30 200 20 100 10 Red brass 10 107 104 105 10 10° 100 1010 Cycles to failure. N Stress amplitude. S (MPa) (sd 01) epnydwe ssens

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From Figure 834 the fatigue limit stress amplitude for this alloy is 310MPa 45000psi Stress is de…View the full answer


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Fundamentals of Materials Science and Engineering An Integrated Approach

Fundamentals of Materials Science and Engineering An Integrated Approach

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Posted Date: July 02, 2011 10:42:40
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