アルカリ性白金-亜鉛合金浴からの析出物の特性 Characterization of Alkaline Platinum-Zinc Alloy Plating Bath Deposits

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著者

    • 鎗田 聡明 YARITA Somei
    • 日本エレクトロプレイティング・エンジニヤース(株) R&D セクション R&D Sec., Electroplating Engineers of Japan Ltd.
    • 来田 勝継 KITADA Katsutsugu
    • 日本エレクトロプレイティング・エンジニヤース(株) R&D セクション R&D Sec., Electroplating Engineers of Japan Ltd.

抄録

We studied platinum-zinc alloy plating by adding zinc to an alkaline platinum bath that used hexahydroxoplatinate.<br>Hexachloroplatinate solution and potassium hydroxide were mixed to prepare a potassium hexahydroxoplatinate solution. Zinc oxide was dissolved into the potassium hydroxide solution. These solutions were then used to compose a platinum-zinc alloy plating bath.<br>We then analyzed deposition efficiency, alloy composition, crystal structure, and the appearance of the precipitated deposit.<br>Deposition efficiency increased as zinc was added. When up to 0.7g/L of zinc had been added, the deposit contained 90wt% of platinum and 10wt% of zinc. The ratio of zinc to platinum in the deposit was higher than that in the plating solution.<br>A mirror-bright platinum-zinc alloy of 3μm was plated on copper panel and the substrate was dissolved in nitric acid to fabricate a foil. The foil, however, was destroyed by bending.<br>Zinc codeposited at 5wt% yielded a mirror-bright deposit, but the ductility of the deposit was poor.

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(1), 88-91, 1998-01-01 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002108592
  • 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
    4367230
  • 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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