Open Access
Table 2
Material properties of grid, guide thimble and fuel rod.
| Materials | Yield strength (MPa) |
Tensile strength (MPa) |
Modulus of elasticity (GPa) |
Poisson's ratio (γ) |
|---|---|---|---|---|
| Grid (GH-169A alloy/Inconel-718) |
≥1034 | 1520–1700 | 205 | 0.3 |
| Guide thimble (∼SS-321) |
≥207 | ≥517 | 200 | 0.3 |
| Fuel rod (Zircaloy-4) |
≥240 | ≥415 | 200 | 0.42 |
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