Research on Fatigue Damage in High-Strength Steel (FV520B) Using Nonlinear Ultrasonic Testing

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Elasticity modulus <i>E</i> (GPa)</td><td class="align_center">Tensile strength <i>R</i><sub><i>m</i></sub> (MPa)</td><td class="align_center">Yield strength <i>R</i><sub>p0.2</sub> (MPa)</td><td class="align_center">Vickers hardness HV (kgf·mm<sup>−2</sup>)</td><td class="align_center">Elongation <i>δ</i> (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">194</td><td class="align_center">1170</td><td class="align_center">1029</td><td class="align_center">380</td><td class="align_center">16.07</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical properties of FV520B.</div>

Shock and Vibration

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Table 2

Table 2: Research on Fatigue Damage in High-Strength Steel (FV520B) Using Nonlinear Ultrasonic Testing 