プラズマ窒化処理したAC4CおよびAC9Bアルミニウム合金の表面微細組織と摩耗特性 Microstructures and wear property of surfaces on plasma nitrided AC4C and AC9B aluminum alloys

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AC4C (Al–7%Si) and AC9B (Al–20%Si) aluminum alloys have been nitrided by means of the electron-beam-excited-plasma (EBEP) technique to improve surface properties. The specimens have been characterized with respect to the following properties: wear resistance, phase identification (X-ray diffraction) , surface and cross-sectional microstructures. The friction coefficient of nitrided AC4C decreased from 0.6 for an un-nitrided AC4C alloy to 0.12 and that of nitrided AC9B decreased to 0.15. Both of the two kinds of alloys nitrided by EBEP technique formed relatively uniformly AlN layer. In the AlN layer produced both on AC4C alloy and on AC9B alloy, the dendritic-shaped grains were formed perpendicular to the surface with different orientations. Si<sub>3</sub>N<sub>4</sub> was formed not only at the Al/AlN interface but also in the AlN layer. It contributes to the adhesion properties and wear resistance of the AlN layer to the substrate.

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  • 軽金属  

    軽金属 56(10), 527-532, 2006-10-30 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10018317307
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    8550838
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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