アルミニウム陽極酸化皮膜中の水素の濃度と分布 Hydrogen Distribution in Anodic Alumina Films

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Electrolyte anions and water are incorporated in anodic alumina films during aluminum anodization. Component distribution is related to their physical and chemical properties and is related to the mechanism for forming anodic alumina films.<br>Hydrogen in anodic alumina films separated from Al substrates was determined by a neutron-induced prompt gamma-ray analysis (PGA) system installed at an atomic reactor. Trace hydrogen was determined by liquid scintillation counting method for tritium in barrier films formed in an electrolyte containing tritium water. The hydrogen depth profile was measured after steps were etched into barrier films.<br>Anodic alumina films consist of inner and outer parts, with electrolyte anions distributed to a depth half way from the outer electrolyte/oxide surface but not detected near the inner oxide/metal surface. Otherwise, 0.0035wt% hydrogen was distibuted throughout in the entire depth. We concluded that OH acts as a carrier, migrating to the oxide/metal surface and reacting with Al<sup>3+</sup> near the oxide/metal interface.

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan  

    表面技術 = The Journal of the Surface Finishing Society of Japan 49(2), 205-208, 1998-02-01 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002446205
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    4392723
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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