b'Figure 2. Magnified regions of the stitched HRTEM image across the interface are shown for the highlighted areas (1, 2, 3a, 3b, 4, 5, and 6). FFT images of the surrounding areas of around 2,500 nm2 are shown for areas 1 through 5. FFT 3 small is taken from a reduced area of 225 nm2 in the transition area shown around 3a and 3b. FFT 6 was taken from an area around 50 nm to the right of this image. Scale bars are applicable for each rowto identify potential laves phaseresults suggest minimal impact formation (Cr(Fe) 2 Zr). No Laves phaseof coating thickness but instead a formations were identified in thelarger impact from the application as-coated conditions, even though Feprocess itself. Those findings need to was found at the interface. A stitchedbe verified. One important aspect is high-resolution image is shown inthe impact of potential flaws in the Figure 2. The Cr lattice structure wascoating. A simple method to create identified with grain sizes of a fewa generic flaw in the coating was ten nanometers in area 3 directlydeveloped using laser engraving on located at the interface. Fast Fourierthe coating surface. A study of 27 Transformation (FFT) images of theengraving parameters was conducted surrounding areas for each numberedand parameter sets for successful areas were used to identify Zr and Crengravings were determined. Somephases. To provide measurable data,of those flaws are highlighted in modified burst tests were performedFigure 3. The method can now be on both materials to assess theapplied to prepare coated cladding impact of coating thickness onwith pre-existing flaws beforemechanical properties. Preliminaryfuture tests.32 2022|AFC ACCOMPLISHMENTS'