Graduate Student, Zachary Stein, presented his work “CMAS Infiltration Studies on Thermal Barrier Coaings under Thermal Gradients Using Synchrotron X-Ray Diffraction” at the American Institute of Aeronautics and Astronautics’ SciTech 2025 conference in Orlando, Florida.  

Zachary’s work focused on initial results from the collaborative high temperature sand-related ceramic coating degradation research with the German Aerospace Center as well as with the synchrotron beamline scientists at the Advanced Photon Source at Argonne National Laboratory. 

a) Schematic of sand infiltration and its effects on 7YSZ ceramic coatings, from Stein et al. (2021), b) SEM micrograph of a pristine, non-infiltrated 7YSZ ceramic coating, and c) SEM micrograph of a sand infiltrated 7YSZ 

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