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).

MaterialsDensity (kg/m3)Young’s modulus (GPa)Poisson’s ratioCoefficient of thermal expansion (10-6 K-1)Thermal conductivity (W·m-1·K-1)Specific heat (J·kg-1·K-1)

316L8000 [19]200 [19]0.25 [27]17.3 [19]20 [19]535 [19]
α-Al2O33980 [19]370 [19]0.22 [19]8.8 [19]30 [19]800 [19]
Y2O35000 [28]120 [28]0.26 [28]8 [28]2.3 [24]400 [28]