Fig. 1. Elongation at break at the same temperature and different absorbed doses

Fig. 2. Tensile strength at the same temperature and different absorbed doses

Fig. 3. Gas standard spectra obtained from NIST spectra database for: (a) SiF₄; (b) CO₂; (c) HCl

Fig. 4. Gas-phase infrared spectrum of the gas products from the F2311 elastomer after γ irradiation: (a) SiF₄ with different absorbed dose at 50 °C; (b) SiF₄ at different temperatures with 20 kGy absorbed dose; (c) CO₂ with different absorbed dose at 50 °C; (d) CO₂ at different temperatures with 20 kGy absorbed dose; (e) HCl with different absorbed dose at 50 °C;(f) HCl at different temperatures with 20 kGy absorbed dose

Fig. 5. Formation mechanisms of hydrogen hydride of F2311 material under radiation-thermal environments

Fig. 6. Normalized infrared spectra of F2311 fluoroelastomer after irradiation under different temperatures: (a) 36 °C; (b) 50 °C; (c) 70 °C (color online)