溶融Ｚｎ‐Ａｌ系めっき鋼板上酸化膜の皮膜構造に及ぼすＡｌの影響

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タイトル別名
  • Effect of Al Content on the Structure of Thin Oxide Films on the Hot-Dipped Zn-Al Coated Steel Sheets
  • 溶融Zn-Al系めっき鋼板上酸化膜の皮膜構造に及ぼすAlの影響
  • ヨウユウ Zn Alケイメッキ コウハン ジョウ サンカ マク ノ ヒマク コウゾウ ニ オヨボス Al ノ エイキョウ

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Electronic structures of oxide films on hot-dipped Zn-0.2%Al, Zn-5%Al, and Zn-55%Al coated steel sheets have been investigated by means of the synchrotron radiation photoemission spectroscopy and compared with those of Zn and Al pure metal sheets. The oxide films were prepared by 85 hour exposure in air saturated with water vapor at 323K. The oxide film on Zn-0.2%Al had the same photoemission spectrum as the pure Zn metal, while Zn-5%Al and Zn-55%Al were similar to the pure Al in the form of photoemission spectrum. It was found that the electronic structure of the oxide films and the depth profile of the ratio of zinc oxide to aluminum oxide are varied with the ratio of Zn to Al in the alloys. The corrosion resistance of Zn-Al alloys is discussed being related to the electronic structure of the oxide films.

収録刊行物

  • 材料

    材料 55 (11), 986-990, 2006

    公益社団法人 日本材料学会

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