Al-Zn, Al-In, Al-Sn合金の電気化学的性質と耐食性に及ぼす各種添加元素の影響

  • 当摩 建
    三菱アルミニウム株式会社技術研究所
  • 工藤 元
    三菱アルミニウム株式会社技術研究所

書誌事項

タイトル別名
  • Effects of Additional Elements on Electrochemical Properties and Corrosion Resistance of Al-Zn, Al-In and Al-Sn Alloys
  • Al Zn,Al In,Al Sn ゴウキン ノ デンキ カガクテキ セイシツ

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説明

Effects of additional alloying elements on electrochemical properties and corrosion resistance of Al-1% Zn, Al-0.03% In, Al-0.1% In and Al-0.1% Sn alloy rolled sheets were examined. Al-Sn alloy was the nost less-noble and the least corrosion resistant among the binary alloys. The addition of Cu, Si or Mn made pitting potential of all the alloys noble, while that of Mg or Fe gave little effect. Corrosion resistance greatly decreased with the addition of more than 0.3% Zn in Al-In alloys. Al-Sn and Al-In alloys containing a small amount of Zn can be excellent sacrificial anodes with good corrosion resistance.

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