【作者】 文彬； 宋波； 毛璟红； 王福明；

【Author】 WEN Bin1),SONG Bo1),MAO Jinghong2),WANG Fuming1) 1)Metallurgical and Ecological Engineering School,University of Science and Technology Beijing,Beijing 100083, China;2)Materials Science and Engineering School,University of Science and Technology Beijing,Beijing 100083, China

【机构】 北京科技大学冶金与生态工程学院； 北京科技大学材料科学与工程学院；

【摘要】 在高温钼丝炉内向铁液中加入SiMg合金、Al及复合添加这两种脱氧剂进行脱氧,并改变其添加顺序,分析过程样中溶解氧、全氧、残镁量及夹杂物随时间的变化。结果表明:1873K时,铁液中复合添加0.02%SiMg和0.03%Al脱氧,其脱氧程度与只用0.05%SiMg脱氧相当,而镁的收得率得到提高。SiMg/Al处理的试样中夹杂物数量随时间的变化与只用SiMg处理时一致,而Al/SiMg处理的试样中夹杂物数量随时间的变化与只用Al处理时一致。更多还原

【Abstract】 In this study deoxidation experiments of liquid iron were carried out by adding SiMg alloy、Al and combination of both.At the same time,the additional sequence of SiMg and Al were changed in the experiments.The contents of dissolved and total oxygen and residual magnesium were measured and change of inclusions in molten iron over time was investigated.The results obtained indicated that the limit of deoxidization by the combination of 0.02%SiMg and 0.03%Al was comparable with 0.05%SiMg only and the yield of Mg in the molten iron treated by the combination was improved greatly at 1873K.In the case of SiMg/Al deoxidation,the change of inclusions amount in samples over time was consistent with that obtained by only SiMg.The change of inclusions amount in samples over time in case of Al/SiMg deoxidation was consistent with that obtained by only Al.更多还原