Cyclic stresses a fatigue test was conducted in which the mean stress was 46.2 mpa and the stress amplitude was 219 mpa. (a) calculate the maximum stress level (in mpa). (b) calculate the minimum stress level (in mpa). (c) calculate the stress ratio. (d) calculate the magnitude of the stress range (in mpa). (a) mpa (b) mpa (c) (d) mpa
Answers: 3
..............(1)
.................(2)
= 265.2 MPa
= -172.8 MPa
= -0.6515
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