CVD法によりTiB2/TiN二層被覆したSKD61鋼の溶融Alにおける耐浸食性

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タイトル別名
  • Improvement of Corrosion Resistivity for a Melted Aluminum Alloy of SKD 61 Steel by a TiB2/TiN Bilayered Coating Formed by Chemical Vapor Deposition.
  • CVDホウ ニ ヨリ TiB2 TiNニソウ ヒフク シタ SKD 61 コウ ノ ヨウユウ Al ニ オケル タイシンショクセイ

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抄録

TiB2 and TiN films were coated by chemical vapor deposition on SKD 61 steel to improve the corrosion resistivity of a diecasting machine in a melted aluminum alloy. The protectivity of the film in the melted aluminum alloy was examined by an immersion test at 900°C and a thermal cycle test between room temperature and 900°C. TiN film, which serves as a binder, greatly improves the adhesion of TiB2 film on the steel substrate. The thermal cycle test indicated that the optimum thickness of TiB2 and TiN layers is at 4 and 6μm, respectively. Compared to ion-nitrized steel, steel coated by TiB2/TiN exhibits significantly higher degree of corrosion resistivity.

収録刊行物

  • 表面技術

    表面技術 51 (6), 640-645, 2000

    一般社団法人 表面技術協会

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