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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Materials Processing Fundamentals
Presentation Title Study on the Interface Structure and Element Distribution of Manganese-containing Slag
Author(s) Xiaobo He, Lijun Wang, Kuochih Chou
On-Site Speaker (Planned) Xiaobo He
Abstract Scope The interface (gas-slag-metal) is of great significance to the removal of elements in the metallurgical process. In this work, the interfacial element distribution and structure of MnO-based slag with different compositions were explored using the gas-slag equilibrium experimental method and XPS detection method at the temperature of 1873 K. The result indicates that the proportion of non-bridged oxygen (O-) increased, while that of bridged oxygen (O0) decreased with the etching time increased regardless of different composition. Meantime, as the bacisity decreases, the bridged oxygen increases and the non-bridging oxygen decreases at the interface. Sulfur is enriched at the interface and decreases with the deepening of the etching depth. The gradient changes of the interface structure and elements prove the existence of the boundary layer, which has a guiding significance for the element removal process in the metallurgical process.
Proceedings Inclusion? Planned:
Keywords Composites, Characterization, Other

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Experimental Phase Diagram Study in CaO-MgO-V2O5 System
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Finite Element Analysis Modeling of Gravity-driven Multiple Effect Thermal System (G-METS) Distillation for Efficient Low-cost Magnesium Refining
Measurement of Thermodynamic Property of Mg in Molten Iron at 1823 K by Transpiration Method
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Phase and Microstructural Analysis of In-situ Derived Alumina-TiB2 Composites
Potentiostatic Electrodeposition of Ti-Al Alloy with 40% Titanium from the Lewis Acidic 1-butyl-3-methylimidazolium Chloride-aluminum Chloride Ionic Liquid Electrolyte
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Pulsed Electric Current Joining of Oxide-dispersion-strengthened Austenitic Steels
Site Preference of Ti in 6H-SiC: A Combined Photoluminescence and Theoretical Calculation Study
Study of γ'-Fe4N Material Annealing through Molecular Dynamics Modeling
Study on the Interface Structure and Element Distribution of Manganese-containing Slag
Thermodynamic Properties of Sulfur in the CaO–AlO1.5–CeO1.5 Slag System at 1873 K
Thermoelectric Magnetohydrodynamic Control of Melt Pool Dynamics and Microstructure Evolution in Direct Energy Deposition Additive Manufacturing
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