Influence of Full-Life Cycle Wheel Profile on the Contact Performance of Wheel and Standard Fixed Frog in Heavy Haul Railway

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Wheel</td><td class="align_center">Fixed frog</td><td class="align_center">Stock rail</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Young’s modulus (<i>E</i><sub><i>e</i></sub>) (GPa)</td><td class="align_center">206</td><td class="align_center">210</td><td class="align_center">206</td></tr><tr><td class="align_left">Strain hardening modulus (<i>E</i><sub><i>p</i></sub>) (GPa)</td><td class="align_center">20.6</td><td class="align_center">21</td><td class="align_center">20.6</td></tr><tr><td class="align_left">Yield stress (<i>σ</i><sub><i>s</i></sub>) (MPa)</td><td class="align_center">540</td><td class="align_center">400</td><td class="align_center">460</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The values of wheel-rail Young’s modulus, kinetic hardening modulus, and yield stress.</div>

Shock and Vibration

tab2

Table 2

Table 2: Influence of Full-Life Cycle Wheel Profile on the Contact Performance of Wheel and Standard Fixed Frog in Heavy Haul Railway 