Recovery of neutron-irradiation-induced defects of Al₂O₃, Y₂O₃, and yttrium-aluminum garnet

Figures & data

Figure 1. Volume changes by isochronal annealing for 6 h of the Al₂O₃ specimen irradiated to 2.0–2.5 × 10²⁴ n/m² (E > 0.1 MeV) at 60–90 °C.

Figure 2. Arrhenius plot of the rate coefficients for the macroscopic volume recovery during isothermal annealing of the neutron-irradiated Al₂O₃ specimen.

Figure 3. Volume changes by isochronal annealing for 6 h of the Y₂O₃ specimen irradiated to 2.0–2.5 × 10²⁴ n/m² (E > 0.1 MeV) at 60–90 °C.

Figure 4. Arrhenius plot of the rate coefficients for the macroscopic volume recovery during isothermal annealing of the neutron-irradiated Y₂O₃ specimen.

Figure 5. Volume changes by isochronal annealing for 6 h of the YAG specimen irradiated to 2.0–2.5 × 10²⁴ n/m² (E > 0.1MeV) at 60–90 °C.

Figure 6. Arrhenius plot of the rate coefficients for the macroscopic volume recovery during isothermal annealing of the neutron-irradiated YAG specimen.