高碳钢连铸坯中心偏析的控制与改善  

Control and Improvement of Central Segregation in High-Carbon Steel Continuous Cast Billets

作　　者：姚桢[1] 梁兆华[1] 李全智[2] 李长荣[1,3] 

机构地区：[1]贵州大学材料与冶金学院,贵州贵阳550003 [2]首钢水城钢铁(集团)有限责任公司,贵州六盘水553028 [3]贵州省材料结构与强度重点实验室,贵州贵阳550003

出　　处：《江西冶金》2011年第1期1-4,共4页Jiangxi Metallurgy

摘　　要：分析钢水过热度、拉速、二冷强度等连铸工艺参数对高碳钢连铸坯中心偏析的影响,认为采取提高钢水洁净度、低过热度浇注、电磁搅拌、轻压下和优化二冷技术等措施是减轻高碳钢连铸方坯中心偏析的有效途径。The effects of superheat,casting speed,secondary cooling strength on central segregation of continuous cast high-carbon steel billets were analyzed.By taking the technical measures such as：improving the cleanliness of steel,casting at near liquidus temperature,electromagnetic stiring,soft redaction and optimizing the secondary cooling are the effective way to reduce the central segregation in continuous casting high—carbon steel billets.

关 键 词：高碳钢 连铸坯 中心偏析 过热度 

分 类 号：TF777.3[冶金工程—钢铁冶金]