NiTi Intermetallic Surface Coatings by Laser Metal Deposition for Improving Wear Properties of Ti-6Al-4V Substrates

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Sample</td><td align="center">Process parameter</td><td align="center">Values</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left" rowspan="2">Ti50Ni50</td><td align="center">Laser power</td><td align="center">800 W</td></tr><tr><td align="center">Beam spot diameter</td><td align="center">2 mm</td></tr><tr><td align="left" rowspan="2">Ti55Ni45</td><td align="center">Scanning speed</td><td align="center"> 8 mm/s</td></tr><tr><td align="center">Powder feed rate</td><td align="center">3 g/min</td></tr><tr><td align="left" rowspan="2">Ti45Ni55</td><td align="center">Gas shielding and carrier</td><td align="center">Argon</td></tr><tr><td align="center">Gas flow rate </td><td align="center">5 L/min</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Experimental process parameters for depositing the NiTi intermetallic coatings.

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: NiTi Intermetallic Surface Coatings by Laser Metal Deposition for Improving Wear Properties of Ti-6Al-4V Substrates 