Publication | Closed Access
Lanthanum–Cerium Oxide as a Thermal Barrier‐Coating Material for High‐Temperature Applications
417
Citations
16
References
2003
Year
Materials ScienceMaterials EngineeringCrystal StructureNew MaterialHigh Temperature MaterialsEngineeringThermal ProtectionThermal Barrier CoatingO 7Surface ScienceApplied PhysicsLanthanum–cerium OxideMaterial PerformanceProtective CoatingThin FilmsThermal EngineeringFunctional MaterialsThermal Properties
La 2 Ce 2 O 7 is proposed as a new material for thermal barrier coating that has a higher thermal expansion coefficient and a lower thermal conductivity than traditional coating materials. After long‐term annealing at 1400 °C, the crystal structure of La 2 Ce 2 O 7 was maintained (see Figure). Below 300 °C, thermal contraction occurs, and the material has a comparable thermal cycling life to yttria‐stabilized zirconia coatings.
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