Ａｌ―Ｓｉ系合金鋳物の破壊過程と鉄系化合物形状の関係

DOI Web Site 被引用文献6件 参考文献8件

書誌事項

タイトル別名
  • Relationship between fracture process of Al-Si alloy castings and shape of iron compounds.
  • Al Siケイ ゴウキン イモノ ノ ハカイ カテイ ト テツケイ カゴウブツ

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抄録

In order to make clear that the iron compound has some effects on the fracture initiation of Al-Si alloy, microstructure observation has been performed during a tensile deformation using optical microscopy and in-situ scanning electron microscopy. By changing the shape of iron compound from Chinese script type to needle-like one, we can achieve higher ductility, while the ultimate tensile strength decreases. Needle-like and massive type iron compounds are cracked easily at the ealier stage of deformation. In comparison with the needle-like compound, the Chinese script compound can hold the higher stress. When the form of iron compounds was changed, the initiation of crack occurred not at the silicon particles but at the iron compounds.

収録刊行物

  • 軽金属

    軽金属 45 (1), 9-14, 1995

    一般社団法人 軽金属学会

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