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结晶器电磁搅拌对IF钢连铸坯表层纯净度的影响
引用本文:胡招凡,张炯明,蔡珍,苑阳阳,陈少东.结晶器电磁搅拌对IF钢连铸坯表层纯净度的影响[J].钢铁研究学报,2011,23(10):15-19.
作者姓名:胡招凡  张炯明  蔡珍  苑阳阳  陈少东
作者单位:1. 北京科技大学冶金与生态工程学院,北京,100083
2. 北京科技大学新金属材料国家重点实验室,北京,100083
基金项目:国家自然科学基金资助项目(51074022)
摘    要:应用扫描电镜分析、能谱分析和显微镜技术等分析手段,研究了结晶器电磁搅拌对IF钢铸坯表层纯净度的影响。结果表明:结晶器电磁搅拌可有效改善铸坯表面质量,使铸坯表层皮下气泡和显微夹杂物显著减少;IF钢铸坯中夹杂物主要是Al2O3、TiN和Al2O2TiN、Al2O3-Ti2O2、Al2O3-Ti2O3-TiN型复合夹杂物;铸...

关 键 词:IF钢  连铸坯  结晶器电磁搅拌  皮下气泡  非金属夹杂物

Effects of M-EMS on Surface Cleaniness of IF Steel Slab
HU Zhao-fan,ZHANG Jiong-ming,CAI Zhen,YUAN Yang-yang,CHEN Shao-dong.Effects of M-EMS on Surface Cleaniness of IF Steel Slab[J].Journal of Iron and Steel Research,2011,23(10):15-19.
Authors:HU Zhao-fan  ZHANG Jiong-ming  CAI Zhen  YUAN Yang-yang  CHEN Shao-dong
Affiliation:1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing,Beijing 100083, China ;2. State Key Laboratory for Advanced Metals and Materials, University ofScience and Technology Beijing, Beijing 100083, China
Abstract:Effects of M-EMS on surface cleaniness of IF steel slab were investigated by means of SEM, EDS and microscopic techniques, etc. The results indicate that M-EMS can improve surface cleanliness and reduce inclusions, blow hole defects effectively. Al2O3, TiN and Al2O3-TiN, Al2O3-Ti2O3, Al2O3-Ti2O3-TiN are main inclusions in the slab. The distribution of bubbles in slabs is non-homogeneous in respect of width and depth, the bubble size range of 50 to 350μm.
Keywords:IF steel  continuous casting slab  M-EMS  blow hole defect  non-metallic inclusion  
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