Abstract
A high-temperature equation of state (EoS) for the fcc phase of solid lead and liquid lead was developed herein using experimental data on thermodynamic properties, volumetric thermal expansion, compressibility, temperature-dependent bulk modulus, and sound velocity from ultrasonic measurements and melting curve. The whole totality of experimental data was optimized using the temperature-dependent Murnaghan EoS over a pressure range of 0–130 kbar. The temperature dependences of thermodynamic and thermophysical parameters were described herein using an expanded Einstein model. The resultant EoS describes well the whole set of available experimental data within measurement uncertainties of individual parameters.
Highlights
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The findings presented in this study demonstrate that the model used can describe the experimental data available for the fcc phase of solid lead and molten lead over a wide range of pressures and temperatures within experimental uncertainty
All thermodynamic and thermophysical parameters of solid and liquid lead are mutually agreeable over a pressure range of up to 130 kbar and a temperature range of up to 1400 K, which is due to the melting curve included in the simultaneous co-optimization
Summary
Thermodynamic Characterization and Equation of State for Solid and Liquid Lead. Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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