3カップ熱分析法によるチルの炉前判定 Prediction of Chilling Tendency in Cast Iron Using Three Cups Thermal Analysis System

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抄録

  Using a thermal analysis system consisting of three cups (First : Inoculated, Second : Base melt, Third : Tellurium added), the relationship between the thermal analysis curve and chill depth was investigated. The content of the alloying elements, such as C, Si and Cr, varies the graphite and cementite eutectic temperature and the difference between them, Δ<i>T</i><sub>E</sub>. It is, therefore, impossible to predict the chill depth correctly only from the cooling curve, or by ignoring Δ<i>T</i><sub>E</sub>. However, use of the Δ<i>T</i><sub>1</sub>/Δ<i>T</i><sub>E</sub> value, which is the dimensionless chilling tendency of melt, enables correct prediction of the chill depth. Regardless of the variation of contents and elements, the relation between the chill depth (D, mm) and Δ<i>T</i><sub>1</sub>/Δ<i>T</i><sub>E</sub> is as follow : D=-27 (Δ<i>T</i><sub>1</sub>/Δ<i>T</i><sub>E</sub>) + 26. It can be concluded that thermal analysis system consisting of three cups serves as an efficient method for the rapid prediction of chilling tendency of cast iron melts.

収録刊行物

  • 鋳造工学 = Journal of Japan Foundry Engineering Society

    鋳造工学 = Journal of Japan Foundry Engineering Society 70(11), 773-778, 1998-11

    公益社団法人 日本鋳造工学会

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各種コード

  • NII論文ID(NAID)
    10002554301
  • NII書誌ID(NCID)
    AN10514770
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13420429
  • NDL 記事登録ID
    4604978
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-277
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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