メタケイ酸ナトリウム : 5-スルホサリチル酸溶液からのマグネシウムの陽極酸化 Anodizing of Magnesium in Sodium Metasilicate : 5-sulfosalicylic Acid Aqueous Solution

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Anodizing of magnesium was studied in sodium metasilicate aqueous solutions with and without 5-sulfosalicylic acid. We investigated the experimental conditions for the formation of magnesium anodic oxide films, such as the temperature of the solution, the cell voltage during anodizing, and the concentration of the 5-sulfosalicylic acid. It was found that the anodic oxide film varied at the temperature of 338 K, and that white-colored Mg-Si-O anodic oxide films formed at lower temperatures than 338 K with high voltage in 2.0 mol·dm<sup>−</sup><sup>3</sup> sodium metasilicate aqueous solution. Addition of 0.25 mol·dm<sup>−</sup><sup>3</sup> of 5-sulfosalicylic acid to 2.0 mol·dm<sup>−</sup><sup>3</sup> sodium metasilicate aqueous solution yielded hard and gray-colored Mg-Si-O anodic oxide films containing carbon and sulfur elements. In 5 mass% NaCl solution at 308 K, the gray-colored film sealed in boiling distilled water showed higher corrosion resistance than that of the white-colored film prepared in sodium metasilicate solution.<br>

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 57(7), 509-514, 2006-07-01 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018008533
  • 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
    8038807
  • 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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