| 板坯表面纵裂的成因分析及控制措施 |
| |
| 引用本文： | 巨建涛,张朝晖,折媛,王海江,杨建洲,张志华.板坯表面纵裂的成因分析及控制措施[J].铸造技术,2007,28(8):1126-1129. |
| |
| 作者姓名： | 巨建涛 张朝晖 折媛 王海江 杨建洲 张志华 |
| |
| 作者单位： | 1. 西安建筑科技大学冶金工程学院,陕西,西安,710055
2. 太钢集团临汾钢铁公司,山西,临汾,041000 |
| |
| 摘 要： | 为了提高连铸板坯质量,结合临汾钢铁公司实际生产数据,对连铸板坯表面纵裂纹的形成原因和影响因素进行了分析。结果表明：中间包、结晶器液面的波动是板坯产生纵裂的根源,而含硫量和浇注温度的偏高、拉速的不稳定以及结晶器锥度的不合理等因素加速了裂纹的扩展。提出了控制连铸板坯表面纵裂纹的措施。
|
| 关 键 词： | 连铸板坯 表面纵裂 控制措施 |
| 文章编号： | 1000-8365（2007）08-1126-04 |
| 修稿时间： | 2006-09-162007-06-25 |
Analysis of the Formative Factor and Control Measures of Surface Longitudinal Crack of Continuous Casting Slab |
| |
| JU Jian-tao,ZHANG Zhao-hui,SHE Yuan,WANG Hai-jiang,YANG Jian-zhou,ZHANG Zhi-hua.Analysis of the Formative Factor and Control Measures of Surface Longitudinal Crack of Continuous Casting Slab[J].Foundry Technology,2007,28(8):1126-1129. |
| |
| Authors: | JU Jian-tao ZHANG Zhao-hui SHE Yuan WANG Hai-jiang YANG Jian-zhou ZHANG Zhi-hua |
| |
| Abstract: | In order to improve the slab quality, the formation causes and influencing factors of surface longitudinal crack of slab were analyzed combining with practical production data in Linfen Steel and iron Group Ltd. The results showed that the level fluctuation in tundish and mould is origih of surface longitudinal crack of slab. Meanwhile, higher sulphur content and casting temperature, nonstabilized draving speed and unreasonable mould taper accelerate the crack propagation. The corresponding control measures about surface longitudinal crack of slab have been proposed. |
| |
| Keywords: | Continuous casting slab Surface longitudinal crack Control measure |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
