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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium High Temperature Electrochemistry V
Presentation Title Thermodynamic Properties of Nd-Fe Alloys via EMF Measurements in Molten Salts
Author(s) Sanghyeok Im, Hojong Kim
On-Site Speaker (Planned) Sanghyeok Im
Abstract Scope Thermodynamic properties of the Nd-Fe alloys were investigated via electromotive force (emf) measurements in molten LiCl-KCl-NdCl<sub>3</sub> and LiF-CaF<sub>2</sub>-NdF<sub>3</sub> electrolytes at 500–900 ºC at mole fractions of x<sub>Nd</sub> = 0.05–0.50, relative to pure Nd(s). The temperature-dependent emf values of the Nd-Fe alloys were used to determine the partial molar Gibbs energy (chemical potential), entropy, and enthalpy. In addition, the first-order phase transitions detected during emf measurements were corroborated with thermal analysis via differential scanning calorimetry (DSC). To understand the phase behavior of the Nd-Fe alloys near equilibrium, selected alloy compositions were annealed for microstructural analysis by a scanning electron microscope (SEM) coupled with an energy dispersive spectrometer (EDS) and structural analysis by powder X-ray diffraction (XRD).
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Revised High Temperature Synthesis of UCl3 via Reaction of U with FeCl2
Blind Identification and Quantification of Analytes in Molten LiCl-KCl Eutectic
Chloro-aluminate Species Distribution Correlation with Electrical Conductivity of 1-ethyl-3-methyl Imidazolium Chloride (EMIC)-Aluminum Chloride (AlCl3) System
Cyclic Voltammetry for Real-time Oxide Ion Concentration Measurements of a Molten CaCl2
Electrochemical Behavior of Bismuth in molten LiCl-KCl-CaCl2
Electrochemical Properties of Ca-Sb Metal Battery with a Molten Chloride Electrolyte
Electrochemical Reduction of Nd2O3+Fe2O3 Mixed Oxide Precursors in Calcium Chloride Melt
Evaluating the Effects of Mixed Cation Molten Salt Electrolytes within the Li-Sb-Sn Liquid Metal Battery System
Evaluating the Electrochemical Recovery of Gd Using a Reactive Liquid Bi Electrode
Formation of Carbon Layer on Ni and Mo Through Electrochemical Reduction of Carbonate Ions in Molten LiCl
Numerical Modelling and Phase Field Modelling of Silicon Electrodeposition for Solar Cells at High Temperatures using Molten Salts
On the Separation of Niobium and Tantalum Metals via Molten Sulfide Electrolysis
Optimisation of the Anodic and Cathodic Current Densities during Nd Electrowinning Process
Oxide Ion Ceramic Sensor in Molten CaCl2 for Real Time Monitoring of the Direct Oxide Reduction Process
Relative Performance of Platinum, Iridium, and Ruthenium as Oxygen-Evolving Anodes during the Electrolytic Reduction of Uranium Oxide in Molten LiCl-Li2O
Study of Potentiometry for Monitoring Activity of GdCl3 in Molten LiCl-KCl Salt
The Demonstration and Optimization of Thin-cell Electrochemical Measurements in Molten LiCl-KCl Eutectic
The Impact of Moisture on the Electrochemical Behavior of Molten Calcium Chloride
Thermodynamic Properties of Nd-Fe Alloys via EMF Measurements in Molten Salts

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