Abstract
The quantitative structural information such as the relative abundance of silicate discrete anions (Qn units) and the concentration of three types of oxygens, viz. free-, bridging- and nonbridging oxygen can be obtained from micro-Raman spectra of the quenched CaO-SiO2-MgO glass samples. Various transport properties such as viscosity, density, and electrical conductivity can be expected as a simple linear function of “ln (Q3/Q2),” indicating that these physical properties are strongly dependent on a degree of polymerization of silicate melts. The methodology outlined in the current study can be extended to predict the physicochemical properties of silicate melts in ferrous and non-ferrous metallurgical processes.
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Acknowledgment
The author would like to thank Prof. Em. K.C. MILLS, Imperial College London, UK, and Prof. Y. SASAKI, GIFT, POSTECH, Korea for their helpful discussions on this topic.
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Manuscript submitted August 15, 2012.
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Park, J.H. Structure–Property Relationship of CaO-MgO-SiO2 Slag: Quantitative Analysis of Raman Spectra. Metall Mater Trans B 44, 938–947 (2013). https://doi.org/10.1007/s11663-013-9825-9
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DOI: https://doi.org/10.1007/s11663-013-9825-9