b'perspective. The data generatedHiPIMS Cr on Zircaloy-4 cladding.Figure 1. Inverse pole figure maps of herein will be used to developElectron backscatter diffractioncold-sprayed (left) and HiPIMS (right) mechanistic models used to predict(EBSD) was performed on the coatedCr-coating show a microstructure dependence on the coating process. the mechanical response of coatedmaterial to identify as fabricatedThe Zry-4 substrate is shown in black claddings for code-qualification,grain sizes and grain orientation.on the bottom of the micrograph. safe application, and lead to additionalThe two application processes wereThe rest of the image contains margin of ATFs. compared and the microstructureCr coating. Because of the highly deformed small grains, some areas is shown as inverse pole figures inwithin the Cr coating and on the top Accomplishments: Figure 1. Take note of the differentcould not be indexedA second batch of High-powerscale bars. Those results could be impulse magnetron sputteringused to simulate and understand (HiPIMS) coating claddings werethe mechanical behavior of coated produced. Zry-4 cladding surfacecladding concepts. However, to preparation was performed andunderstand how the coating and coating parameters were optimizedthe cladding interaction, the direct to apply an adhesive coating on theinterface requires additional detailed cladding material to ensure reproduc- investigation. High Resolution ibility. Scanning electron microscopyTransmission Electron Microscopy (SEM) and transmission electron(HRTEM) methods in particular microscopy (TEM) were performed were used to investigate the interface to characterize the microstructureregion between coating and cladding properties of coldsprayed and 2022|AFC ACCOMPLISHMENTS 31'