Improvement of Surface Properties of Inconel718 by HVOF Coating with WC-Metal Powder and by Laser Heat Treatment of the Coating

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td align="left">Elements</td><td align="center">W</td><td align="center">C</td><td align="center">Cr</td><td align="center">Ni</td><td align="center">Fe</td><td align="center">Nb</td><td align="center">Mo</td><td align="center">Others</td></tr><tr><td align="center" colspan="9"><hr/></td></tr><tr><td align="left">In718</td><td align="center"> </td><td align="center">0.08</td><td align="center">17–20</td><td align="center">50–55</td><td align="center">11–22</td><td align="center">5-6</td><td align="center">2-3</td><td align="center">Mn, Ti, Si</td></tr><tr><td align="center" colspan="9"><hr/></td></tr><tr><td align="left">WC-metal</td><td align="center">68</td><td align="center">5</td><td align="center">21</td><td align="center">6</td><td align="center"> </td><td align="center"> </td><td align="center"> </td><td align="center"> </td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Major chemical compositions of In718 and WC-metal powder.

Advances in Materials Science and Engineering

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Table 1

Table 1: Improvement of Surface Properties of Inconel718 by HVOF Coating with WC-Metal Powder and by Laser Heat Treatment of the Coating 