Porosity Characterization of Thermal Barrier Coatings by Ultrasound with Genetic Algorithm Backpropagation Neural Network

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Center frequency</td><td class="align_center">5 MHz</td><td class="align_center">Velocity of water</td><td class="align_center">1497 m/s</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Thickness of the coating</td><td class="align_center">288 <i>μ</i>m</td><td class="align_center">Velocity of ZrO<sub>2</sub></td><td class="align_center">2957.65 m/s</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameter and value used for ultrasonic numerical simulation.</div>

Complexity

tab3

Table 3

Table 3: Porosity Characterization of Thermal Barrier Coatings by Ultrasound with Genetic Algorithm Backpropagation Neural Network 