| 一炉双流连续定向凝固方法 |
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| 引用本文： | 李飞,赵侠. 一炉双流连续定向凝固方法[J]. 热加工工艺, 2007, 36(13): 51-53 |
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| 作者姓名： | 李飞 赵侠 |
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| 作者单位： | 辽宁石油化工大学,职业技术学院,辽宁,抚顺,121001 |
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| 基金项目： | 教育部科学技术研究项目 |
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| 摘 要： | 阐述了自制的一炉双流连续定向凝固装置的原理及特点，对不同拉速下纯铝铸锭的表面状态及凝固组织进行了研究。结果表明，拉坯速度慢或固液界面靠近结晶器出口处，表面质量好；拉坯速度增加，柱状晶的数目经历由少增多的过程。
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| 关 键 词： | 连续定向凝固 生产率 凝固组织 |
| 文章编号： | 1001-3814（2007）01-0051-03 |
| 修稿时间： | 2006-12-20 |
Method of Two-flow Continuous Unidirectional Solidification in One Furnace |
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| LI Fei,ZHAO Xia. Method of Two-flow Continuous Unidirectional Solidification in One Furnace[J]. Hot Working Technology, 2007, 36(13): 51-53 |
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| Authors: | LI Fei ZHAO Xia |
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| Abstract: | The principle and traits of the selfmade two-flow continuous unidirectional solidification equipment in one furnace was introduced.The surface state and solidification structure of pure Al ingot was studied under different drawing speed. The results show that the surface quality of ingot is good when the drawing speed is lower or the solid-liquid interface lies near the exit position of mould; the number of columnar crystal changes from less to more when the drawing speed increases. |
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| Keywords: | continuous unidirectional solidification productivity solidification structure |
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