A Nonlinear Fatigue Damage Model Based on Equivalent Transformation of Stress

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Level</td><td class="align_center">1</td><td class="align_center">2</td><td class="align_center">3</td><td class="align_center">4</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Stress amplitude/MPa</td><td class="align_center">224.20</td><td class="align_center">246.49</td><td class="align_center">359.87</td><td class="align_center">503.18</td></tr><tr><td class="align_left">Life/cycle</td><td class="align_center">719,424</td><td class="align_center">312,500</td><td class="align_center">12,098</td><td class="align_center">524</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fatigue life under different stress amplitudes.</div>

Journal of Engineering

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Table 7

Table 7: A Nonlinear Fatigue Damage Model Based on Equivalent Transformation of Stress 