菱铁矿热分解行为及其热力学分析
Mining and Metallurgical Engineering（2012）
Abstract
通过热重(TG-DTG)、差热(DSC)分析分别在氮气、空气和氧气气氛下对菱铁矿的热分解行为进行了研究,并从热力学角度对菱铁矿热分解行为进行了分析探讨.热力学分析结果表明,在氮气气氛中,温度高于875.86 K时分解产物为Fe3O4,低于此温度为FeO;而在氧化性气氛中分解产物为Fe2O3.DSC-TGA曲线验证了理论分析结果.
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