Corrosion Behavior of Stainless Steel in Nitric Acid Solution under Gamma-ray Irradiation

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Influence of the irradiation on the corrosion behavior of stainless steel (type 304ULC) in boiling nitric acid solution was examined by using <SUP>60</SUP>Co γ-ray source. It was found from the experimental results that radiolysis products of nitric acid (NO<SUB>χ</SUB>, HNO<SUB>2</SUB>) resulted from the γ-ray irradiation made the environment in the bulk solution more reducing one. On the other hand, corrosion rate of 304ULC was slightly enhanced by the irradiation, which being trivial from the engineering viewpoint. From the result of an AC impedance measurement, this corrosion enhancement was inferred as caused by an enhancement in the current across the passive film by the γ-ray irradiation on the stainless steel surfaces.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 35(7), 502-507, 1998-07-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002079754
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4525687
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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