Molar Volume Database

PanNi2022_MV is a molar volume database for Ni-based alloys, which is compatible with the PanNi2022_TH thermodynamic database and suitable for the simulation of thermophysical properties of Ni-based alloys, such as density, thermal expansion, solidification shrinkage etc.

Components (26)

PanCo

Al	B	C	Co	Cr	Cu	Fe	Hf	Ir	Mn
Mo	N	Nb	Ni	P	Pt	Re	Ru	S	Si
Ta	Ti	V	W	Y	Zr

Phases

The current molar volume database covers all 342 phases assessed in the PanNi2022_TH database.

Database Validation

The simulated density changes vs. temperature of a series of Ni-based alloys are shown below to validate the current PanNi2022_MV database.

Figure 1: Molar volume of Ni-Ta liquid alloys [2004Muk, 2005Fan]

Figure 2: Density of Ni-W binary liquid mixture [2005Fan2]

[2004Muk] K. Mukai, et al., Measurement of the Density of Binary Ni-X (X=Co, W, Ta, Al) Alloys. Materials Transactions, 45(5) (2004): 1754-1763.

[2005Fan] L. Fang, et al., Measurement of density of molten Ni-Ta alloys by a modified pycnometric method. Rare Metal Materials and Engineering, 34(4) (2005): 521-525.

[2005Fan2] L. Fang, et al., Measurement and analysis of density of molten Ni-W alloys. Journal of Wuhan University of Technology, 20(3) (2005): 84-87.