| id,reactor_type,burnup_gwdt,linear_heat_kw_m,pellet_temp_c,cladding_temp_c,pellet_expansion_um,cladding_strain_pct,fgr_pct,expected_coupling_score,decoupling_flag,notes |
| FCB-001,PWR,5,18,900,330,8.1,0.12,0.4,0.94,0,"Early cycle stable coupling" |
| FCB-002,PWR,12,20,980,350,9.3,0.15,0.7,0.91,0,"Normal expansion-strain relation" |
| FCB-003,PWR,25,22,1040,370,10.4,0.19,1.1,0.88,0,"Mid burnup coherent" |
| FCB-004,PWR,38,24,1120,390,11.6,0.23,1.6,0.86,0,"Expected creep growth" |
| FCB-005,PWR,45,26,1200,410,13.2,0.31,2.4,0.72,1,"Strain rising faster than expansion" |
| FCB-006,BWR,30,19,980,360,9.7,0.18,1.5,0.87,0,"BWR stable relation" |
| FCB-007,BWR,42,22,1090,385,11.8,0.27,2.1,0.74,1,"Gas release spike vs strain" |
| FCB-008,SMR,15,17,910,325,8.5,0.13,0.5,0.92,0,"SMR baseline" |
| FCB-009,SMR,35,23,1110,395,12.1,0.29,2.0,0.75,1,"Expansion-cladding mismatch" |
| FCB-010,PWR,50,28,1250,430,14.0,0.36,3.2,0.68,1,"Late burnup drift" |
|
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