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Thermal barrier coatings (TBC) are plasma sprayed onto gas turbine parts in order to improve combustion efficiency and component life time. Two TBC are looked at in this report: yttria partially stabilized zirconia (YPSZ) and dysprosia partially stabilized zirconia (DyPSZ). Both the TPS and laser flash techniques were used to measure the thermal conductivity of the coatings and the results were compared. In addition the effect of barrier microstructure on ...
