b'PIE .Post-irradiation ExaminationPIRT .Phenomena Identification and Ranking TablesPNNL Pacific Northwest National LaboratoryPQD .Post Quench DuctilityPVD .Physical Vapor DepositionPWR Pressurized Water ReactorQA Quality AssuranceR&D Research & DevelopmentRAC Radial, Axial and CapsuleRB .Removeable BerylliumRCT .Ring Compression TestingRD&D Research, Development, and DemonstrationRE . Rare Earth ElementsREWS Rodlet Endcap Welding SystemRHT Ring Hoop TensionRIA .Reactivity-Initiated Accident RITA Resonance Inspection Techniques and AnalysisRPI.Rensselaer Polytechnic Institute RT .Room TemperatureRTE Rapid Turnaround ExperimentRUS.Resonant Ultrasound SpectroscopySA .Sensitivity AnalysisSADP Selected Area Diffraction PatternSAR Safety Analysis ReportSATS .Severe Accident Test StationSCKKEN Studie Centrum Voor Kemenergie: Belgian Nuclear Research CentreSEM Scanning Electron MicroscopySERTTA .Static Environment Rodlet Transient Test Apparatus SETH Separate Effects Test Holder2021|AFC ACCOMPLISHMENTS 183'