Fragmentation of platelet-shaped β-AlFeSi intermetallic compound particles in Al–7mass%Si–1mass%Fe alloy by equal-channel angular pressing, multi-directional forging, symmetric rolling and asymmetric rolling

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  • Kagimoto Ryo
    Graduate Student, Nagoya Institute of Technology
  • Yamada Motoko
    Department of Physical Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • Sato Hisashi
    Department of Physical Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • Watanabe Yoshimi
    Department of Physical Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • Yamanaka Noboru
    National Institute of Technology, Miyakonojo College

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Other Title
  • 繰返し押出加工，多軸鍛造，等速圧延および異周速圧延によるAl–7%Si–1%Fe合金中の板状β-AlFeSi金属間化合物粒子の破砕
  • クリカエシ オシダシ カコウ,タジク タンゾウ,トウソク アツエン オヨビ イシュウソクアツエン ニ ヨル Al-7%Si-1%Fe ゴウキン チュウ ノ ハンジョウv-AlFeSi キンゾク カン カゴウブツ リュウシ ノ ハサイ

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Abstract

<p>Since β-AlFeSi intermetallic compound particles formed during solidification of Al–Si–Fe alloys are brittle, large β-AlFeSi particles will decrease the mechanical properties of the as-cast alloys. In this study, fragmentations of β-AlFeSi particles in Al–7 mass%Si–1 mass%Fe alloy are carried out by ECAP (Equal-Channel Angular Pressing), MDF (Multi-Directional Forging), symmetric rolling and asymmetric rolling. It is found that the β-AlFeSi particles in the Al–7 mass%Si–1 mass%Fe alloy can be fragmented by the above methods.</p>

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