Q1/ The table below shows the values of stress amplitude and life cycles : Fatigue strength Sf (Mpa) Number of cycles (Nf) 474 111 417 496 352 3002 316 7065 290 21930 262 66075 The test were done, to...

Q1/ The table below shows the values of stress amplitude and life cycles :<br>Fatigue strength Sf (Mpa)<br>Number of cycles (Nf)<br>474<br>111<br>417<br>496<br>352<br>3002<br>316<br>7065<br>290<br>21930<br>262<br>66075<br>The test were done, to estimate the failure, on un-notched axially load specimens under zero mean stress.<br>Calculate a and b using the stress -life equation.<br>

Extracted text: Q1/ The table below shows the values of stress amplitude and life cycles : Fatigue strength Sf (Mpa) Number of cycles (Nf) 474 111 417 496 352 3002 316 7065 290 21930 262 66075 The test were done, to estimate the failure, on un-notched axially load specimens under zero mean stress. Calculate a and b using the stress -life equation.

Jun 11, 2022

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Q1/ The table below shows the values of stress amplitude and life cycles : Fatigue strength Sf (Mpa) Number of cycles (Nf) 474 111 417 496 352 3002 316 7065 290 21930 262 66075 The test were done, to...

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