Microstructural characterization of thermal barrier coatings on high pressure turbine blades

Microstructure design and mechanical properties of thermal barrier coatings with layered top and bond coats

“…In particular, the size, shape, and density of the powder are critical to the microstructure and are the most important parameters for the quality of TBCs [1][2][3]. Thermal properties and failure mechanisms of TBCs are also closely related to their microstructure [5][6][7]. Therefore, the control of microstructure in TBCs including a bond coat is proposed as a new strategy for advanced coatings, using a specialized coating system (TriplexPro™-200) [8][9][10].…”

Preparation and thermophysical properties of CeO2 doped La2Zr2O7 ceramic for thermal barrier coatings

“…At present, thermal barrier coatings (TBCs) of partly Y 2 O 3 stabilized ZrO 2 (PYSZ) films [8][9][10] are widely used to protect hot section parts of aircraft and land-based turbines by reducing the temperature of metal substrates. However this standard material has a limited temperature capability due to accelerated sintering and phase transformations at high temperatures.…”

Non-destructive thermal property measurements of an APS TBC on an intact turbine blade

“…Past micrograph studies of EB-PVD coatings on turbine blades have shown differences in the microstructure based on location [17]. In that study, dramatic differences in structure were largely confined to the turbine base, where geometric constraints cause an abnormal vapor incidence angle during coating deposition.…”