连铸工艺参数对高碳钢小方坯内部质量的影响  

EFFECT OF CC PROCESS PARAMETERS ON INTERNAL QUALITY OF HIGH CARBON STEEL BILLETS

作　　者：韩静[1] 冯军[1] 陈伟庆[2] 

机构地区：[1]北京科技大学 [2]北京科技大学冶金与生态工程学院,教授博士生导师北京100083

出　　处：《河南冶金》2005年第1期11-13,共3页Henan Metallurgy

摘　　要：研究了连铸工艺参数对于高碳钢小方坯内部质量的影响 ,结果表明 ,结晶器电磁搅拌强度增加 ,高碳钢小方坯中心碳偏析减小 ,但坯壳内的负偏析加重。在结晶器电磁搅拌条件下 ,随着二冷比水量增大 ,中心碳偏析减小 ;随拉速、中间包钢水过热度和钢中碳含量增加 ,中心碳偏析加重。The effect of continuous casting process parameters on internal quality of high carbon steel billets was investigated. It was shown that with the M-EMS intensity increase, the central carbon segregation in billets decreased, but the negative segregation near the edge in billets became worse. Under M-EMS condition, with the increase of secondary cooling water flow rate and the decrease of casting speed, tundish superheat and carbon content, the center carbon segregation was improved.

关 键 词：小方坯 连铸工艺 结晶器 内部质量 电磁搅拌 钢水过热度 高碳钢 碳偏析 碳含量 强度 

分 类 号：TF777[冶金工程—钢铁冶金] TG356[金属学及工艺—金属压力加工]