| Solute distribution in columnar crystal zone of continuous casting billets |
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| 作者姓名： | 常国威 赵增武 王静松 王万军 王新华 |
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| 作者单位： | 1. Department of Materials and Chemical Engineering，Liaoning Institute of Technology，Jinzhou 121001，P.R.China; 2. Metallurgy School，University of Science and Tec |
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| 摘 要： | 1 ＩＮＴＲＯＤＵＣＴＩＯＮＫｕｓａｎｏｅｔａｌ1] ｆｏｕｎｄｔｈａｔｕｎｄｅｒｔｈｅｃｏｍｂｉｎｉｎｇａｃｔｉｏｎｏｆｔｈｅｒｏｌｌｅｒｓｕｐｐｏｒｔｉｎｇｆｏｒｃｅａｎｄｔｈｅｐｒｅｓｓｕｒｅｏｆｍｏｌｔｅｎｍｅｔａｌ,ｔｈｅｍｏｖｉｎｇｔｒａｃｋｏｆｌｉｑｕｉｄ/ｓｏｌｉｄｉｎ ｔｅｒｆａｃｅｉｎｔｈｅｄｉｒｅｃｔｉｏｎｏｆｃａｓｔｉｎｇｉｓａｓｉｎｅｗａｖｅｗｈｉｃｈｉｓｆｏｒｍｅｄｂｙｔｈｅｐｅｒｉｏｄｉｃｂｅｎｄｉｎｇｄｅｆｏｒｍａｔｉｏｎｏｆｂｉｌｌｅｔｓｈｅｌｌ.Ａｎｄｔｈｉｓａｆｆ…
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Solute distribution in columnar crystal zone of continuous casting billets |
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| CHANG Guo wei,ZHAO Zeng wu,WANG Jing song,WANG Wan jun,WANG Xin hua.Solute distribution in columnar crystal zone of continuous casting billets[J].Transactions of Nonferrous Metals Society of China,2001(5). |
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| Authors: | CHANG Guo wei ZHAO Zeng wu WANG Jing song WANG Wan jun WANG Xin hua |
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| Abstract: | The periodic bending deformation in the direction of casting occurs at the liquid/solid interface of billet due to the roller supporting force and the pressure of molten metal in the process of continuous casting. Based on this fact, a qualitative expression of solute concentration in columnar crystal zone for continuous casting billet is established, which agrees with the experimental results basically. Therefore, it is favorable to gain a columnar structure with less segregation by adopting a caster with compactly distributed small rollers and enhancing the cooling intensity in secondary cooling zone. |
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| Keywords: | solidification segregation continuous casting |
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