Abstract

New generation turbines' combustion efficiency is related to the employment of ceramic coatings for high-temperature resistance increases. Generally, ceramic coatings are employed for improving the turbines' long-term stability in aggressive environments. These can be produced by water vapor evaporation, accelerated oxidation, intense corrosion, and erosion. Thermal barrier coatings (TBCs) can provide effective protection. The TBCs allow for minimizing the temperature effects on components in the field of aviation and power generation sectors by increasing the components' performance and efficiency. TBCs generally consist of a metal bond coat and a top ceramic coating to form an organically combined and synergistic protection system. The key performance parameters for the TBCs have an effect on service and lifetime. These parameters are thermal conductivity, high-temperature stability, fracture toughness, and thermal expansion coefficient.

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