b'FGR.Fission Gas Release FIB . Focused Ion BeamFIMA .Fission of Initial Metal AtomsF/M .Ferritic-MartensiticFOM . Figure of MeritFRL . Fuels Research LaboratoryFS .Flash Sintering FY Fiscal YearGA General AtomicsGE General ElectricGET Gamma Emission TomographyGFYGovernment Fiscal Year GNF .Global Nuclear FuelsGTRF Grid-to-Rod-FrettingGWd/MTUGigawatt-days Per Metric Ton of UraniumHALEU High Assay Low-Enriched UraniumHBFF .High Burnup Fuel FragmentationHBHE .High Burnup - Higher Enrichment HBS High Burnup StructuresHBWR .Halden Boiling Water ReactorHFEF .Hot Fuel Examination FacilityHFIR .High Flux Isotope ReactorHiPIMS Hybrid High Power Impulse Magnetron SputteringHIPPO High Pressure/Preferred OrientationHTC-NB .Heat Transfer Coefficient of Nucleate BoilingIAC Industry Advisory Committee ICWUPS In Cell Weld Under Pressure SystemIFE Institute for Energy TechnologyINL Idaho National Laboratory170 2020|AFC ACCOMPLISHMENTS'