b'2.3 LWR CORE MATERIALSData Collection to Support NRC Licensureof Coated Cladding for IndustryPrincipal Investigator: Yong Yan, ORNLTeam Members/ Collaborators: Ben Garrison, Mike Howell, and Andy Nelson (ORNL)High temperature oxidation and post-quench ductility testing of industry ATF coated cladding concepts allows for quantification of improvements in mechanical properties following design-basis accident.N and pressurized water reactor (PWR) uclear utilities are now confronted with two pressingcladding that resists fretting wear and is issues: achieving acceptablemore tolerant of the LOCA conditions. power generation economics andQuantification of the benefits imparted maintaining very high safety standards.by the applied coatings with respect The damage to the Fukushima Daiichito high temperature oxidation is a nuclear facilities in Japan caused by thecritical activity. As part of the General loss of coolant accidents (LOCAs) hasElectric (GE) Accident Tolerant Fuel underscored the importance of factoring(ATF) program, Oak Ridge National severe accidents into nuclear reactorLaboratory (ORNL) is collaborating safety research and analyses. Numerouswith Global Nuclear Fuels (GNF) to industry teams are developing aevaluate the performance of the thin waterside hard coating material forARMOR coating.This work provides the use on boiling water reactor (BWR)technical basis for Nuclear Regulatory Commission (NRC) licensing.74 2019|AFC ACCOMPLISHMENTS'