b'Figure 4. (a) The load-displacement curves of five cantilever beam bending tests. (b) - (f) are the scanning electron microscopy images to show the plastic deformation of five beams, respectivelyunirradiated rings from uncoatedHiPIMS applied Cr coatings, adhe-zircaloy and from cold-sprayedsion was robust. Significant plastic cladding were tested to failure,deformation was observed in the seen in Figure 3(b). Although theseZircaloy rather than the Cr coatings were unirradiated, in-cell millingor interface between the two. Figure 4 was also qualified to support futureshows for the 300C micro-cantilever mechanical tests of irradiatedtests of the cold spray coated samples cladding. Testing was performed at(a) load-displacement curves and both room temperature and 350C,(b)-(f) cantilever beams at the end of with results shown in Figure 3(c).each test.The cold-spray cladding showed similar performance to the out-of-cell testing from LANL, with comparable ultimate tensile strengths.The third goal of the project was to determine the mechanical integrity of the coatings at elevated tempera-tures. For this, micro-cantilever testing was performed at 300C at LANL. For both the cold spray and 2023|AFC ACCOMPLISHMENTS 57'