The oxidation behavior of 316L in simulated pressurized water reactor environments with cyclically changing concentrations of dissolved oxygen and hydrogen

Xiangyu Zhong, Shuang Xia, Jian Xu, Tetsuo Shoji

研究成果: Article査読

6 被引用数 (Scopus)

抄録

The oxidation behavior of 316L stainless steel in the simulated pressurized water reactor primary water with cyclic exposure to hydrogenated and oxygenated water conditions was investigated by contact electric resistance, electrochemical impedance spectroscopy, scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy techniques. The electrochemical resistance of the oxide film exhibits significant changes as the environment is shifted from hydrogenated water chemistry to oxygenated water chemistry and vice versa. However, in different hydrogenated periods (or oxygenated periods) with the same water chemistry, the electrochemical resistance of the oxide film is very similar. On the contrary, the oxide morphology and composition do not show obvious changes, and the oxide film thickness has a generally increasing trend. The reason for this phenomenon was also discussed.

本文言語English
ページ(範囲)417-427
ページ数11
ジャーナルJournal of Nuclear Materials
511
DOI
出版ステータスPublished - 2018 12 1

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 材料科学(全般)
  • 原子力エネルギーおよび原子力工学

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