b'Figure 4. LOCA burst temperatureCoating development using HiPIMSflat coupons, PWR, and BWR tube vs. hoop stress was successful in the next attemptgeometries for testing performed using three different parameter sets,at both Oak Ridge National Labora-shown in Figure 5 with differenttory (ORNL) as well as Los Alamos magnifications. All parameter setsNational Laboratory (LANL). Ongoing exhibit no visible cracks, howeverwork will include broader property one parameter set showed ablationand performance investigations of the coating, caused by very highincluding planned irradiation testing compressive stresses in the coating.to begin in FY22Cr coatings have been applied to both 66 2021|AFC ACCOMPLISHMENTS'