低硅烧结矿表面的多重分形谱计算和分析

Journal of Iron and Steel Research(2014)

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Abstract
通过烧结杯试验制备了不同碱度的低硅烧结矿样品.利用SEM(扫描电子显微镜)对样品的表面形貌进行了表征.利用多重分形软件计算不同碱度烧结矿的多重分形谱.随着碱度提高,多重分形谱的宽度增加,烧结矿的表面形貌变得更加复杂,与SEM图像一致;多重分形谱最大和最小概率子集维数的差别减小,并且由正值变为负值,烧结矿孔隙由以宏观孔隙为主变为以微观孔隙为主,孔隙率提高.多重分形谱的计算结果定量地表征了烧结矿孔隙的分布形态,与扫描电镜图像结果一致.
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Key words
Surface Characterization,Fractal Analysis,Micromorphology
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