b'Figure 2. Fabrication options ranking spreadsheet Enhanced Ability to separate constituents and recycle into new fuel pins Back-end Chemical compatibility of fuel system constituents with air/water Baseline Propensity for fuel particle ejection & channel blockage cladding breach, non-violent behavior in cladding burst Off-Normal Scenarios Coolant/fuel chemical compatibility, benign behavior in run beyondEnhanced deformation, fuel thermal expansion, & pressure driven rupture) Cladding mechanical properties (resistance to high temperatureCladding fuel eutectic penetration Fuel thermal conductivity (stored energy) & melting temperature Baseline expulsion Reactivity change from axial expansion, melt relocation, & sodiumFission gas driven fuel swelling and pore interconnection Solid fission product driven fuel swelling Fission gas release, plenum pressure accumulation Enhanced Fuel cladding mechanical interaction NormalOperation TH perfomance, heat flux, heat transfer rate Constituent redistribution, FCCI,cladding wastage Cladding/duct atom displacement void swelling/bowing Nuetron absorption of materials in active core Strength and defect propensity in end cap weld Baseline Cladding mechanical properties evolution Fuel density and swelling free space (smear density) Isotropy of fuel swelling Ability/difficulty inspecting product characteristics Acceptable range for special process controls Ability to recycle/recover scrap Enhanced Process continuity and/or batch size (crit. limits) Fabrication Raw material cost (fuel, cladding, hardware, consumables) Magnitude and hazard level of waste disposal Tolerances and repeatability -yield rate Utility demand (electricity, natural gas, etc.) Baseline Cap. investment, size/cost of facility and equipment Labor, duration and quantity of processing steps Influential Considerations Categoryelectrorefining methods The fuel should facilitate reprocessing in closed-fuel cycles byor be considered mixed waste interaction hazards in storage, transportation, and dispositiononce-through fuel cycle, i.e. must not create severe chemicalThe fuel system must be viable for direct disposal in afuel performance requirements damage in DBA, no cladding failure in BDBA) for opportunityThe fuel system must enable passively safe plant designs (noperformance requirements damage in DBA, no cladding failure in BDBA) for baseline fuelThe fuel system must enable passively safe plant designs (noplutonium and/or minor actinides The fuel system should perform reliably with the addition ofadjustments (e.g. daily load following cycle) The fuel system should perform reliably under routine powercladding dpa, and 700 C inner cladding temperature The fuel system should perform reliably up to 20% burnup, 200HALEU-based once-through fuel cycles between refueling with predictable reactivity evolution usingThe fuel system must enable long reactor operation cyclescladding dpa, and 600 C inner cladding temperature The fuel system must perform reliably up to 10% burnup, 100adaptation to include Pu and/or minor actinides The fuel system fabrication processes should be viable foruranium HALEU licensed fabrication facility The fuel system must be economic to fabricate in a freshFunctional NeedOverall Score Score EnhancedBaseline Score 1 3 2 4 3 5 2 4 (Weighting) Importance 86 32 54 3 3 3 3 5 5 4 2 mold quartzcast intoInjection 82 25 57 3 3 3 3 4 4 2 4 treat w/ heatExtrusion 96 30 66 3 3 3 3 5 5 3 5 casting ContinuousFuel slug production80 27 53 3 3 3 3 4 4 3 3 mold reusableCast into 64 20 44 3 3 3 3 3 3 1 2 Process Additive 65 18 47 3 3 1 2 1 2 5 5 barrier applyDo not 83 83 31 31 52 52 3 3 3 3 4 4 3 3 4 4 3 3 4 4 4 4 production slug barrierontoslug/ barrierCombinedDepositFCCI Barrier Application71 27 44 3 3 4 3 4 3 2 2 tube claddingbarrier inDeposit 94 34 60 3 1 5 5 5 5 3 3 bond sodiumslug fit,Loose 95 50 50 30 15 15 65 35 35 3 3 3 3 3 3 2 1 4 2 2 4 2 2 3 2 2 4 1 2 5 2 2 5 pressure material externaldown with linerwithcladdingfill gapdownswageslug fit,creepfit thenMedfit, thenMed slugMed slugSlug installation, gap treatment47 12 35 3 3 1 2 1 2 2 2 processing furtherfit, noTight slug 138 2022|AFC ACCOMPLISHMENTS'