J. Singh, D. E. Wolfe, Penn State University, University Park, PA; J. I. Eldridge, D. M. Zhu, NASA Glenn Research, Cleveland, OH

Summary: This paper discusses the current and future trends with next generation thermal barrier coating (TBC) designs in developing TBC with lower thermal conductivity, increased reflectivity, and increased performance through nano-layered structures, microstructural modifications and rare-earth dopants for non-intrusive evaluation of coating life.