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镁芯包芯线处理钢水夹杂物变性实验

Experimental study on inclusion modification in the steel by Mg cored wire feeding process

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【Author】 WANG Jingsong1,2), XU Jianguo2), SUN Wei1), CAO Lijun1), ZHANG Hui1), SUN Zhikun1), ZHANG Hengli3), XUE Qingguo1)1) Metallurgical and Ecological Engineering School, University of Sciences and Technology Beijing, Beijing 100083, China 2) Post-doctoral Station of USTB, Post-doctoral Work Station of Laigang Group, Shandong 211074, China 3) Bao Tou Wenxin Industrial Co. Ltd., Baotou 014010, China

【机构】北京科技大学冶金与生态工程学院；包头文鑫实业有限公司；北京科技大学冶金与生态工程学院北京100083北京科技大学博士后流动站莱钢工作站；莱芜211074；北京100083；包头014010；

【摘要】采用特殊结构的镁芯包芯线对钢水进行处理,处理过程比采用普通结构含镁包芯线平稳,镁可以有效地加入钢水中,并获得比较稳定的收得率.经过镁处理后,钢中夹杂物类型、形态和尺寸明显变化.大尺寸的Al2O3夹杂转变为细小的MgO·Al2O3,同时使钢中Al2O3·MnS夹杂以细小的Al2O3·MnS·MgS的形式存在.更多还原

【Abstract】 The process of Mg-cored wire feeding was investigated. The Mg cored wire with special structure was applied in inclusion modification in steel. The process of feeding the Mg-cored wire is more smoothly than feeding the Mg-wire with old structure in steel treating at 1600°C, the absorption ratio is higher and more stable than that of the old process. After being treated by Mg-cored wire feeding, the Al2O3 inclusions with the big size changes to the fine particles of MgO?Al2O3 inclusions. At same time, the Al2O3?MnS inclusions changes to the Al2O3?MgS?MnS inclusions.更多还原

【关键词】钢；夹杂物变性；镁芯包芯线；喂线；
【Key words】 steel； inclusion modification； Mg cored wire； wire feeding；

【文献出处】北京科技大学学报 ,Journal of University of Science and Technology Beijing , 编辑部邮箱 ,2007年S1期

【分类号】TF704.7
【被引频次】18
【下载频次】439

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