| 中间包喂稀土消除连铸坯内弧侧卷渣缺陷原因研究 |
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| 引用本文： | 颜银标,张雪松,陈光,黄一新,朱红健,马军.中间包喂稀土消除连铸坯内弧侧卷渣缺陷原因研究[J].稀土,2001,22(4):68-71. |
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| 作者姓名： | 颜银标 张雪松 陈光 黄一新 朱红健 马军 |
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| 作者单位： | 1. 南京理工大学材料科学与工程系
2. 南京钢铁集团公司技术中心 |
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| 基金项目： | 江苏省科技攻关计划项目 |
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| 摘 要： | 通过硫印试验、金相观察及冲击试验,比较了未喂稀土、结晶器喂稀土及中间包加稀土连铸坯内弧侧四分之一处夹杂物形态及分布及连铸坯横断面上的冲击韧性,发现结晶器喂稀土的连铸坯内弧侧卷渣缺陷形态及分布与未喂稀土的相近,冲击韧性变化也相同,而中间包加稀土基本消除了内弧侧四分之一处的卷渣缺陷,冲击韧性明显提高;并分析了中间包加稀土消除内弧侧卷渣原因.
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| 关 键 词： | 卷渣 喂稀土 连铸坯 |
| 文章编号： | 1004-0277(2001)04-0068-04 |
| 修稿时间： | 2001年6月11日 |
Research on Causes of Removal Slag Inclusions in the Inner Arc Side of Continuous Casting Slabs by Rare Earth Wire Feed-in Tundish |
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| YAN Yin biao ,ZHANG Xue song ,CHEN Guang ,HUANG Yi xin ,ZHU Hong jian ,MA Jun.Research on Causes of Removal Slag Inclusions in the Inner Arc Side of Continuous Casting Slabs by Rare Earth Wire Feed-in Tundish[J].Chinese Rare Earths,2001,22(4):68-71. |
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| Authors: | YAN Yin biao ZHANG Xue song CHEN Guang HUANG Yi xin ZHU Hong jian MA Jun |
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| Affiliation: | YAN Yin biao 1,ZHANG Xue song 2,CHEN Guang 1,HUANG Yi xin 2,ZHU Hong jian 2,MA Jun 2 |
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| Abstract: | The morphology and distribution of inclusions and impact toughness in continuous casting slabs from feeding rare earths wires into tundish have been compared with no feeding rare earths wires with sulphur print,metallographic test and impact toughness examination?It shows that the distribution of rare earths and inclusions are more uniform, more inclusions are spherulitized and impact toughness are higher in continuous casting slabs by feeding rare earths in tundish, and feeding rare earths in tundish has overcome weaking impact tenacity in the quarter-inside-arc of continuous casting slabs by no feeding rare earths Otherwise causes of removal slabs inclusions within arc side are analyzed |
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| Keywords: | slag inclusion feeding rare earths continuous casting slab |
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