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5384 |
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Low thermal conductivity thermal barrier coating sprayed with SPS and APS |
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Alan Burgess* / Spraywerx Technologies, Inc., Canada Paul NewBatt/ Innovnano, Portugal Rosa Filomena Calinas/ Innovnano, Portugal Nuno Vitorino/ Innovnano, Portugal Rogerio Lima/ National Research Council of Canada, Canada |
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Low thermal conductivity (K) values for coatings manufactured through Air Plasma Sprayed (APS) and Suspension Plasma Sprayed (SPS) for 7 wt% Yttria Stabilized Zirconia (YSZ) powder produced from the Emulsion Detonation Synthesis (EDS) process. SPS and APS Thermal Barrier Coatings (TBCs) show a 30% and 20% reduction respectively in thermal conductivity when compared to the APS benchmark. These results are provided along with furnace cycle tests show durable low K coatings that are attainable without the use of exotic rare earth materials. |