純水中のアルミニウムの腐食に及ぼす溶存酸素の影響 Effect of Oxygen on Aluminum Corrosion in Pure Water

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抄録

  When aluminum is immersed in pure water, hydrogen evolves at the cathode in pure water where there is no oxygen, although hydrogen dose not evolve in pure water with oxygen present. Based upon the fact, the effect of hydrogen evolved at the cathode on aluminum corrosion was investigated in relation to oxygen concentration in pure water in the present study. The length of incubation period, which is the time from the beginning of the corrosion test to a sharp increase in the corrosion amount, is almost constant regardless of the oxygen concentration. However, the corrosion period which begins right after the incubation period and continues until the saturation point is reached varies depending on the oxygen concentration. When the oxygen concentration is low, the amount of hydrogen at the cathode is large and small pits through the barrier layer spread rapidly over the entire surface, resulting in increase in the corrosion amount. From these results, it is thought that the hydrogen evolved by the cathode reaction greatly affects the deterioration of barrier layer and the aluminum corrosion.<br>

収録刊行物

  • 日本金屬學會誌 = Journal of the Japan Institute of Metals  

    日本金屬學會誌 = Journal of the Japan Institute of Metals 70(10), 845-848, 2006-10-20 

    The Japan Institute of Metals

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各種コード

  • NII論文ID(NAID)
    10018310796
  • NII書誌ID(NCID)
    AN00062446
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00214876
  • NDL 記事登録ID
    8550720
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-314
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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