反応性イオンプレーティング法によるFe窒化物薄膜の作製とその耐食性評価 Production of Iron Nitride Films by Reactive Ion Plating and Evaluation of Film Corrosion Resistance

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Transition metal nitrides have been used as corrosion resistant materials in recent years. To evaluate the corrosion resistance of iron nitride, iron nitride films having various compositions were produced by reactive ion plating. At a constant electron beam current the nitrogen content of the product film tended to increase as the flow rate of N<sub>2</sub>-H<sub>2</sub> as the reactive gas increased. A decrease in the electron beam current used to evaporate the iron also led to an increase in the nitrogen content of the product film. X-ray diffraction showed that 7.3∼24.7 at % N nitride films had a mixed structure of α-Fe and γ′-Fe<sub>4</sub>N, while at 26.6 at % N the films were single phase ε-Fe<sub>3</sub>N. The amount of dissolved iron from the iron nitride film decreased with increasing nitrogen content. Corrosion of ε-Fe<sub>3</sub>N film was apparently inhibited in 1.0kmol·m<sup>-3</sup> NaCl at 333K. For specimens with a mixed structure of α-Fe and γ′-Fe<sub>4</sub>N, corrosion occurred preferentially on α-Fe. It was presumed that a portion of the α-Fe dissolved as an anode and that in this solution the reaction proceeded via a chloride as an adsorbed intermediate.

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 47(4), 330-337, 1996-04 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002256098
  • 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
    3947923
  • 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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