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A Different Approach to Estimate Temperature-Dependent Thermal Properties of Metallic Materials
Open AccessArticle

Thermophysical Measurements in Liquid Alloys and Phase Diagram Studies

1
Department of Materials Engineering, Ben-Gurion University of the Negev, Beer Sheva 84105, Israel
2
Physics Department, Nuclear Research Centre Negev, Beer Sheva 84190, Israel
3
Department of Materials Science and Engineering, Korea University, Seoul 02841, Korea
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Materials 2019, 12(23), 3999; https://doi.org/10.3390/ma12233999
Received: 12 November 2019 / Revised: 24 November 2019 / Accepted: 28 November 2019 / Published: 2 December 2019
(This article belongs to the Special Issue Thermal Analysis of Materials)
Towards the construction of pressure-dependent phase diagrams of binary alloy systems, both thermophysical measurements and thermodynamic modeling are employed. High-accuracy measurements of sound velocity, density, and electrical resistivity were performed for selected metallic elements from columns III to V and their alloys in the liquid phase. Sound velocity measurements were made using ultrasonic techniques, density measurements using the gamma radiation attenuation method, and electrical resistivity measurements were performed using the four probe method. Sound velocity and density data, measured at ambient pressure, were incorporated into a thermodynamic model to calculate the pressure dependence of binary phase diagrams. Electrical resistivity measurements were performed on binary systems to study phase separation and identify phase transitions in the liquid state. View Full-Text
Keywords: thermal analysis; sound velocity; electrical resistivity; density; liquid metals; calculation of phase diagrams (CALPHAD) thermal analysis; sound velocity; electrical resistivity; density; liquid metals; calculation of phase diagrams (CALPHAD)
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Kirshon, Y.; Ben Shalom, S.; Emuna, M.; Greenberg, Y.; Lee, J.; Makov, G.; Yahel, E. Thermophysical Measurements in Liquid Alloys and Phase Diagram Studies. Materials 2019, 12, 3999.

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