依据制定的正交试验表,进行电磁搅拌工艺试验。通过酸蚀检验铸坯低倍试样和钻孔分析元素的偏析指数,确定了安钢第一炼轧厂二冷区辊式电磁搅拌的最优工艺参数。经过1年多的生产应用表明,该辊式电磁搅拌器可以明显改善铸坯的凝固组织,提高铸坯的内部质量。
The EMS process experiment was tested based on the orthogonal experiment table.The optimal process parameters of roll-EMS at secondary cooling area on Angang is determined by acidized inspection low power slab and drilling analysis element of segregation index.After a year of production application,it shows that the roll-EMS can improve solidification microstructure and the internal slab quality.
参考文献
| [1] | 袁伟霞;陈方玉;韩志强.连铸板坯中间裂纹研究[A].贵阳:中国金属学会,2000:59. |
| [2] | 许春雷;裴云毅;蒋晓放.炼钢与连铸[M].北京:兵器工业出版社,2001:184. |
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