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连铸坯表面裂纹产生原因及其在轧制过程演变行为的综述
英文标题:Review on factors of surface cracks in slab and their behavior during rolling
作者:喻海良 王悦新 张进 杨双喜 刘相华  
单位:清华大学机械工程系 东北大学轧制技术及连轧自动化国家重点实验室  
关键词:连铸坯  轧制  裂纹 
分类号:TF777
出版年,卷(期):页码:2010,35(2):1-5
摘要:
综述了连铸坯化学成分(C,Mn,S,P,Ca,Cu,Al,Nb,V,Ti)、保护渣、中间包、结晶器以及二冷工艺等对连铸过程中连铸坯表面裂纹产生的影响。分析了轧制过程中轧件表面裂纹的演变行为,在一定情况下连铸坯表面裂纹可以通过轧制工艺消除。论文对全面认识连铸过程连铸坯表面裂纹影响因素、企业减少裂纹缺陷具有指导意义。
Effects of the chemical components of slab(C,Mn,S,P,Ca,Cu,Al,Nb,V,Ti),the equipment and technologies of mold flux,tundish,mold and secondary cooling,etc.,on the occurrence of surface cracks in slab were reviewed.The evolution behavior of cracks during rolling was analyzed,which might be erased under some conditions through rolling processes.It is significant for understanding the influence factors on the surface cracks,and guiding the production for reducing the defects in products.
基金项目:
国家自然科学基金重点资助项目(50634030);; 教育部博士点基金(20090042120005)
作者简介:
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