横型遠心鋳造の鋳型回転速度が液相挙動に与える影響

  • 鈴木 悠
    名古屋大学大学院工学研究科マテリアル理工学専攻
  • 岩井 一彦
    北海道大学大学院工学研究院材料科学部門

書誌事項

タイトル別名
  • Effect of Mold Rotation Velocity on Liquid Motion in Horizontal Type Centrifugal Casting Method
  • ヨコガタ エンシン チュウゾウ ノ イガタ カイテン ソクド ガ エキソウ キョドウ ニ アタエル エイキョウ

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抄録

A centrifugal casting method is an important process for high quality steel production because rolls produced by this method have been used in a rolling process in steel industry. However, some problems to be solved such as segregation still remain. Thus optimization of the centrifugal casting method is essential for high quality steel production. In this investigation, numerical calculation of fluid motion in the horizontal type centrifugal casting method has been conducted for clarification of effect of the rotation velocity of the mold on the fluid motion. And the following results have been obtained. Center of the gravity of a liquid phase shifts to upward from the center axis of the mold rotation and it increases with decrease of the mold rotation velocity. And frequency of the periodical motion of the center of the gravity can be explained by superposition of the mold rotation and wave propagation on the liquid free surface. Furthermore, the critical diameter for breaking dendrite growing from the mold increases with increase of the mold rotation velocity when the dendrite length is constant.

収録刊行物

  • 鉄と鋼

    鉄と鋼 99 (2), 161-166, 2013

    一般社団法人 日本鉄鋼協会

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