Table 1

Specimens description, experimental and calculated results for dynamic load impact test.

Sample S1: Short 1
Fuel pellets + clad
L3: Long 3
Fuel pellets + clad
S2: Short 2
Fuel pellets + clad
L2: Long 2
Fuel pellets + clad
L1: Long 1
Fuel pellets + clad + plenum
3 kg weight mass impact speed (m s‑1) 11 11 8 11 11
Expérimental maximum load (kN) 40 36 35 33 17
Calculated maximum load rod with clad alloy 1 (kN) 40 38 36 38 17
Calculated maximum load rod with clad alloy 2 (kN) 48 45 44 45 23
Calculated maximum equivalent inelastic strain/clad fracture strain, rod with clad alloy 1 0.5 0.6 0.5 0.6 4.4
Calculated maximum equivalent inelastic strain/clad fracture strain rod with clad alloy 2 0.7 0.9 0.8 0,9 6.8

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