ニッケル-リン合金めっき膜の内部ひずみに及ぼす亜鉛イオンの影響 Effects Zinc Ions on Internal Strain in Electroplated Nickel-Phosphorus Alloy Films

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Average internal strain was measured <i>in situ</i> for thin nickel-phosphorus alloy deposits electroplated from nickel-phosphorus baths containing 0.2 to 10mM ZnSO<sub>4</sub> as impurity additives using a resistance wire strain gauge placed on the reverse side of the copper substrate.<br>With increasing ZnSO<sub>4</sub> concentration, total zinc oxide and zinc hydroxide included in deposits increased monotonously and average internal tensile strain in deposits also rose. Internal tensile stress rose markedly at 1mM ZnSO<sub>4</sub>, causing numerous cracks on the surface of deposits at 1.5 to 10mM ZnSO<sub>4</sub>. At phosphorus content exceeding 12mol%, the development of average internal tensile strain in deposits was independent of phosphorus content, but clearly related to increasing total zinc oxide and zinc hydroxide included in deposits during electroplating.

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 50(4), 347-352, 1999-04-01 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002112161
  • 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
    4707869
  • 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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