鏡面鋳塊の連続鋳造に関する研究

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書誌事項

タイトル別名
  • A New Continuous Casting Process for Mirror Surface Ingots
  • キョウメン チュウカイ ノ レンゾク チュウゾウ ニ カンスル ケンキュウ

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抄録

  A new continuous casting process utilizing a heated mold has been developed and applied to producing mirror surface ingots of pure tin, zinc and aluminum as well as Sn-Pb, Sn-Zn, Al-Si and Al-Cu alloys. The principle of the process is that solidification is not allowed to occur in the molten metal on the mold wall but rather the solid-liquid interface is made to be located just outside of the mold,. Two casting factors are important in the process. One is the mold temperature, which must be higher than the melting point of the cast metals and the other is the casting speed. Brightness and smoothness of each ingot were measured and compared to conventionally cast ingots of the same composition. The surfaces of the ingots obatined by this process have excellent brightness characteristics and mirror-like smoothness. The macro- and microstructures of each ingot surface revealed a unidirectionally solidified structure. This is because heat is extracted by cooling the drawn ingot at some distance away from the mold exit.

収録刊行物

  • 鋳物

    鋳物 59 (11), 670-675, 1987

    公益社団法人 日本鋳造工学会

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