Al-Mg-Si系合金の塗装焼付硬化性の最適化 Optimization for the bake-hardenability of Al-Mg-Si alloys

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Effects of Mg, Si content, additional elements and pre-aging temperatures on the bake-hardenability of Al–Mg–Si alloys were investigated by tensile tests and an electron microscope. The 0.2% proof stress obtained by the short time aging at 170°C increased with increasing Mg<sub>2</sub>Si content, and it became higher with the following ascending order: pseudobinary system alloys <excess Mg alloys <excess Si alloys. The pre-aging at 100°C was more effective in increasing the bake-hardenability of the alloys than that at room temperature. The additions of Ag, Cu, Zn and Sn on the bake-hardenability of the Al–0.8%Mg<sub>2</sub>Si–0.5%Si alloy were ineffective, on the contrary the addition of Mn or Cr was effective. The Al–0.8%Mg<sub>2</sub>Si–0.5%–0.1%Mn (or 0.1%Cr) alloy was found to be the most appropriate for automobile body panels.

収録刊行物

  • 軽金属

    軽金属 46(1), 27-32, 1996-01-30

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10003793342
  • 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
    3918061
  • 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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