Dissolution of Nickel by Acidic Electrolyzed Water

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The dissolution rate and dissolution morphology of an electroplated nickel film in acidic electrolyzed water (AEW) of a sodium chloride aqueous solution and in a hydrochloric acid aqueous solution of the same pH were studied. As a result, it was found that the dissolution rate of the electroplated nickel layer in the AEW was about two times higher than that in the hydrochloric acid aqueous solution of the same pH. On the surface of the electroplated nickel film immersed in the AEW, the oxide layer was removed, and microscopic pits due to local dissolution were observed. The pit has a dish-like shape with a depth of less than 0.5μm, and its surface roughness decreased when compared to the one before soaking. On the other hand, as for the one immersed in the hydrochloric acid aqueous solution, no such phenomenon was observed, and its surface roughness increased. Moreover, when the AEW was heated to 40<sup>º</sup>C and sprayed, the dissolution of the electroplated nickel surface was promoted, the surface had a satin-like finish, and the possibility of etching was suggested.<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(12), 907-911, 2006-12-01 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018791929
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    8610626
  • 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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