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Volume 25 Issue 4
Apr.  2018
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文章导航 >  矿物冶金与材料学报（英文）  > 2018  >  25(4): 413-419
Yu Li, Li-hua Zhao, Ya-kun Wang,  and Da-qiang Cang, Effects of Fe2O3 on the properties of ceramics from steel slag, Int. J. Miner. Metall. Mater., 25(2018), No. 4, pp. 413-419. https://doi.org/10.1007/s12613-018-1586-7
Cite this article as:
Yu Li, Li-hua Zhao, Ya-kun Wang,  and Da-qiang Cang, Effects of Fe2O3 on the properties of ceramics from steel slag, Int. J. Miner. Metall. Mater., 25(2018), No. 4, pp. 413-419. https://doi.org/10.1007/s12613-018-1586-7
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研究论文

Effects of Fe2O3 on the properties of ceramics from steel slag

  • State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China;

  • China Electronics Standardization Institute, Number 1 An-Dingmeng East Road, Beijing 100007, China

  • 通讯作者:

    Yu Li    E-mail: leeuu00@sina.com

  • Ferric oxide is one of the key factors affecting both the microstructure and the properties of CaO-MgO-SiO2-based ceramics. Research on this effect is significant in the utilization of iron-rich solid wastes in ceramics. Ceramic samples with various Fe2O3 contents (0wt%, 5wt%, and 10wt%) were prepared and the corresponding physical properties and microstructure were studied. The results indicated that Fe2O3 not only played a fluxing role, but also promoted the formation of crystals. Ceramics with 5wt% of Fe2O3 addition attained the best mechanical properties with a flexural strength of 132.9 MPa. Iron ions were dissolved into diopside, consequently causing phase transformation from diopside and protoenstatite to augite, thereby contributing to the enhancement of its properties. An excess amount of Fe2O3 addition (10wt% or more) resulted in deteriorated properties due to the generation of an excess volume of liquid and the formation of high-porosity structures within ceramics.
    • Research Article

    Effects of Fe2O3 on the properties of ceramics from steel slag

    + Author Affiliations
      Abstract
    • Ferric oxide is one of the key factors affecting both the microstructure and the properties of CaO-MgO-SiO2-based ceramics. Research on this effect is significant in the utilization of iron-rich solid wastes in ceramics. Ceramic samples with various Fe2O3 contents (0wt%, 5wt%, and 10wt%) were prepared and the corresponding physical properties and microstructure were studied. The results indicated that Fe2O3 not only played a fluxing role, but also promoted the formation of crystals. Ceramics with 5wt% of Fe2O3 addition attained the best mechanical properties with a flexural strength of 132.9 MPa. Iron ions were dissolved into diopside, consequently causing phase transformation from diopside and protoenstatite to augite, thereby contributing to the enhancement of its properties. An excess amount of Fe2O3 addition (10wt% or more) resulted in deteriorated properties due to the generation of an excess volume of liquid and the formation of high-porosity structures within ceramics.
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      • References(18)
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