Thermophysical Property Database

The thermophysical property database PanTi2024_TP is compatible with the PanTi2024_TH thermodynamic database and suitable for the simulation of thermophysical properties of Ti-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 340 phases assessed in the PanTi2024_TH database. It is used to calculate the density, thermal expansion, solidification shrinkage of the alloys.

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

Figure 1: Molar volume of Ti-V Bcc and Hcp binary alloys at 298K [2016Yan]

Figure 2: Molar volume of Ti-Zr Hcp binary alloys at 298K [2016Yan]

Surface Tension

The surface tension of the liquid phase is added into the property database. Figure 3 shows the surface tension of the Ti-6Al-4V(wt.%) alloy.

Figure 3: Surface tension of the Ti-6Al-4V(wt.%) alloy

Viscosity

The viscosity of the liquid phase is added into the property database. Figure 4 shows the viscosity of the Ti-6Al-4V(wt.%) alloy.

Figure 4: Viscosity of the Ti-6Al-4V(wt.%) alloy.

[2016Yan] J.-Y. Yan and G.B. Olson, Molar volumes of bcc, hcp, and orthorhombic Ti-base solid solutions at room temperature. Calphad, 52 (2016):152-158.