Thermal Barrier Coating on Gamma Titanium Aluminide by EB-PVD
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Thermal Barrier Coating on Gamma Titanium Aluminide by EB-PVD

Influence of deposition process parameters on adhesive properties of ceramic top coat

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Thermal barrier coating (TBC) systems are indispensable for utilization in gas turbine engines to decrease the thermal effect and enhance turbine efficiency by considerably raising applied gas temperatures. TBCs are typically composed of an underlying metallic bond coat known as MCrAlY (M=Ni,Co) acting as an oxidation resistant layer, and yttria-stabilized zirconia (YSZ) as a ceramic top coat that provides thermal insulation toward the metallic substrate. In this study Inter-metallic alloy based on Gamma Titanium Aluminide was chosen as a substrate due to its low density as compared to the con...