Effects of gamma irradiation on the degradation of silicone rubber by steam exposure

Seitaro Ito, Yu Miyazaki, Naoshi Hirai, Yoshimichi Ohki

研究成果: Article査読

抄録

Silicone rubber (SiR) is an important electrical insulating material for safety-related cables in nuclear power plants. This means that SiR must withstand the irradiation of gamma rays and the exposure to high-temperature steam. However, SiR is vulnerable to hydrolysis. Therefore, for the purpose of clarifying the behavior of SiR in such environments, sheets of SiR were exposed to steam at 171 or 200°C with and without pre-irradiation of gamma rays. As a result, it has become clear that SiR can withstand the exposure to high-temperature steam more robustly if it was irradiated by gamma rays to a proper dose in advance.

本文言語English
ページ(範囲)166-172
ページ数7
ジャーナルJournal of Nuclear Science and Technology
58
2
DOI
出版ステータスPublished - 2021

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

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