Research Article
Simulation of the Residual Stress of the Y2O3/Al2O3 Composite Deuterium Permeation Barrier under Thermal Shock
Table 1
Properties of the coating and substrate (25°C).
| Materials | Density (kg/m3) | Young’s modulus (GPa) | Poisson’s ratio | Coefficient of thermal expansion (10-6 K-1) | Thermal conductivity (W·m-1·K-1) | Specific heat (J·kg-1·K-1) |
| 316L | 8000 [19] | 200 [19] | 0.25 [27] | 17.3 [19] | 20 [19] | 535 [19] | α-Al2O3 | 3980 [19] | 370 [19] | 0.22 [19] | 8.8 [19] | 30 [19] | 800 [19] | Y2O3 | 5000 [28] | 120 [28] | 0.26 [28] | 8 [28] | 2.3 [24] | 400 [28] |
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