連続鋳造鋳片内部割れ限界ひずみの測定とそのシミュレーション解析 Measurement and Numerical Simulation of Critical Strain for Internal Cracking in Continuously Cast Slabs

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  Critical strains during solidification in the continuous casting process for steel were investigated for predicting internal crack formation. The method developed in this investigation is a tensile test on small cylindrical specimens which have been partially remelted using an induction heater. To simulate crack formation in a cast slab, the temperature gradient was applied in the radial direction and the strains were applied perpendicular to the growth direction of the dendrites. The amount of strain applied to the solid-liquid interface was controlled by strain rate and time, and the maximum strain applied to the specimen was up to 2%. From the results of Electron Probe Micro Analysis (EPMA), we found that the segregation of Si, P and Mn which occurred was the same as that found in the cracks in the actual continuous casting process. As a result, the critical strains were found to be 0.2 % for middle carbon (0.16%C) steel.

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 75(2), 123-129, 2003-02-25

    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)
    10013406978
  • 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
    6463475
  • 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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