Journal of Radiation Research and Radiation Processing, Volume. 43, Issue 1, 010203(2025)

Effect of γ-radiation-thermal coupling aging on the mechanical and radiolytic gas behavior of F2311 fluoroelastomer

Yiqian ZHANG1... Ruiyang DOU1, Qiang LIU1,*, Wei HUANG1, Shunping YAN2 and Hongbing CHEN1,** |Show fewer author(s)
Author Affiliations
  • 1Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621900, China
  • 2Institute of General Engineering, China Academy of Engineering Physics, Mianyang 621999, China
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    Figures & Tables(7)
    Elongation at break at the same temperature and different absorbed doses
    Tensile strength at the same temperature and different absorbed doses
    Gas standard spectra obtained from NIST spectra database for: (a) SiF4; (b) CO2; (c) HCl
    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
    Formation mechanisms of hydrogen hydride of F2311 material under radiation-thermal environments
    Normalized infrared spectra of F2311 fluoroelastomer after irradiation under different temperatures: (a) 36 °C; (b) 50 °C; (c) 70 °C (color online)
    • Table 1. The absorption peak area, yield and radiation chemical yield of CO2 gas products under radiation-thermal coupling conditions

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      Table 1. The absorption peak area, yield and radiation chemical yield of CO2 gas products under radiation-thermal coupling conditions

      吸收剂量 / kGy

      Absorbed dose

      温度 / ℃

      Temperature

      吸收峰面积 / a.u.

      Absorption peak areas

      产量 / (mol∙g-1)

      Output

      辐射化学产额 / (molecules·100 eV-1)

      Radiation chemical yield (G)

      205042.327.92×10-83.82×10-2
      1005094.102.37×10-72.29×10-2
      20050138.083.36×10-71.62×10-2
      203616.311.99×10-89.57×10-3
      205042.327.92×10-83.82×10-2
      207051.779.50×10-84.58×10-2
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    Yiqian ZHANG, Ruiyang DOU, Qiang LIU, Wei HUANG, Shunping YAN, Hongbing CHEN. Effect of γ-radiation-thermal coupling aging on the mechanical and radiolytic gas behavior of F2311 fluoroelastomer[J]. Journal of Radiation Research and Radiation Processing, 2025, 43(1): 010203

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    Paper Information

    Category: RADIATION CHEMISTRY

    Received: May. 5, 2024

    Accepted: May. 27, 2024

    Published Online: Mar. 13, 2025

    The Author Email: LIU Qiang (刘强), CHEN Hongbing (陈洪兵)

    DOI:10.11889/j.1000-3436.2024-0040

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