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Influence of Iron Ore Characteristics on FeO Formation During Sintering

WU Shengli , WANG Qingfeng , BIAN Miaolian , ZHU Juan , LONG Fangyi

钢铁研究学报(英文版)

The influence of iron ore characteristics on FeO formation during sintering was examined mainly in terms of chemical composition and the melting characteristics of iron ores. Statistical regression and Xray diffraction were used to further explain the specific effect of iron ore characteristics on FeO formation. The results indicate that LOI (loss on ignition) in iron ores have a positive influence on FeO formation by promoting the sintering process of Fe2O3 decomposing and reducing. Silica contents in iron ores play a determining role in final content of FeO in sinter. The melting characteristics of iron ores significantly affect FeO formation during sintering.

关键词: iron ore characteristic , chemical composition , melting characteristic , FeO formation

钢帘线用LX70盘条的研制

曹树卫 , ，康永林，王新江

钢铁

对安阳钢铁集团有限责任公司钢帘线用LX70盘条的研制与开发过程、帘线钢冶炼连铸工艺和轧制工艺、帘线钢中夹杂物的控制及钢帘线应用情况等进行了研究和分析。结果表明：帘线钢中夹杂物的控制、良好的铸坯凝固组织、高比率的索氏体金相组织是保证高质量帘线钢盘条的重要因素;LX70盘条拉拔性能优良稳定，捻制过程满足子午线轮胎用钢帘线合股要求，总满轮率达到国内同类型产品先进水平，完全满足钢帘线用户的使用要求。

关键词: 钢帘线盘条 , production process , chemical composition , mechanical property , microstructure , inclusion

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