A fatigue test is performed with a mean stress of 105 MPa and a stress amplitude of 116 MPa. Calculate the maximum stress. You will only have 1 attempt to answer this question. The answer should be in MPa with 0 decimals of accuracy.

Question

Engineering

Lilian Sparks

17 December, 15:53

A fatigue test is performed with a mean stress of 105 MPa and a stress amplitude of 116 MPa. Calculate the maximum stress. You will only have 1 attempt to answer this question. The answer should be in MPa with 0 decimals of accuracy.

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Answers (1)

Know the Answer?

Timothy Browning · Answer 1

221 MPa

Explanation:

Stress amplitude = one half the range of stress developed in a stress cycle during fatigue testing

Therefore,

max stress = Stress amplitude + mean stress