Thermophysical Property Database

The thermophysical property database PanMg2024_TP is compatible with the PanMg2024_TH thermodynamic database and suitable for the simulation of thermophysical properties of Mg-based alloys. It includes the molar volume data for all the phases, surface tension and viscosity properties for the liquid phase.

Molar Volume

The current molar volume database covers all 834 phases assessed in the PanMg2024_TH database. It is used to calculate the density, thermal expansion, solidification shrinkage of Fe-based alloys.

The simulated density changes vs. temperature of a series of Mg-based alloys are shown below to validate the current PanMg2024_MV database.

Figure 1: Molar volume of Al-Mg Fcc and Hcp binary alloys at 298K [2000Gas, 2006Hal]

Figure 2: Density of Mg-Al binary alloys at 298K [2000Gas, 2006Hal]

Figure 3: Molar volume of Li-Mg Bcc, Fcc, and Hcp binary alloys at 298K [1998Gas, 2006Hal]

Surface Tension

The surface tension of the liquid phase is added into the property database. Figure 4 shows the surface tension of a series of Mg-Al-Zn alloys in comparison with experimental data.

Figure 4: Surface tension of Mg-Al-Zn alloys

Viscosity

The viscosity of the liquid phase is added into the property database. Figure 5 shows the viscosity of a Mg30.2Al-25Zn alloy in comparison with experimental data.

Figure 5: Viscosity of the Mg30.2Al-25Zn alloy

[1998Gas] W. Gasior, Z. Moser and J. Pstrus, Densities and molar volumes of solid Lithium-Magnesium (Li-Mg) alloys. Journal of Phase Equilibria, 19(6) (1998): 568-571.

[2000Gas] W. Gasior, Z. Moser and J. Pstrus, Densities of Solid Aluminum-Magnesium (Al-Mg) Alloys. Journal of Phase Equilibria, 21(2) (2000): 167-171.

[2006Hal] B. Hallstedt, Molar volumes of Al, Li, Mg and Si. Calphad, 31(2) (2006): 292-302.