The Influence of Anode Inner Contour on Atmospheric DC Plasma Spraying Process

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Current (A)</td><td class="align_center" colspan="2">Voltage (V)</td><td class="align_center" colspan="2">Net power (kW)</td><td class="align_center" colspan="2">Thermal efficiency (%)</td></tr><tr class="thead"><td class="align_center">Cylindrical</td><td class="align_center">Laval</td><td class="align_center">Cylindrical</td><td class="align_center">Laval</td><td class="align_center">Cylindrical</td><td class="align_center">Laval</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">450</td><td class="align_center">75.4</td><td class="align_center">75.3</td><td class="align_center">18.9</td><td class="align_center">17.6</td><td class="align_center">55.7</td><td class="align_center">52.0</td></tr><tr><td class="align_left">550</td><td class="align_center">74.8</td><td class="align_center">73.3</td><td class="align_center">22.9</td><td class="align_center">20.9</td><td class="align_center">55.7</td><td class="align_center">51.9</td></tr><tr><td class="align_left">650</td><td class="align_center">74.3</td><td class="align_center">72.0</td><td class="align_center">26.0</td><td class="align_center">23.9</td><td class="align_center">53.8</td><td class="align_center">51.0</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><i>Note</i>. The voltage is the average value and is obtained by reading from the console window of spraying equipment.<br/></td></tr></table>

Different working currents correspond to the arc voltage, net power, and thermal efficiency (Ar/H<sub>2</sub>: 40/10 slpm).

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: The Influence of Anode Inner Contour on Atmospheric DC Plasma Spraying Process 